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H01S 1/00
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Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range |
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H01S 1/02
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Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range solid |
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H01S 1/04
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Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range liquid |
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H01S 1/06
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Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range gaseous |
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H01S 3/00
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Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range |
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H01S 3/02
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Constructional details |
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H01S 3/03
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Constructional details of gas laser discharge tubes |
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H01S 3/04
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Arrangements for thermal management |
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H01S 3/05
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Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium |
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H01S 3/06
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Construction or shape of active medium |
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H01S 3/07
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Construction or shape of active medium consisting of a plurality of parts, e.g. segments |
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H01S 3/08
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Construction or shape of optical resonators or components thereof |
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H01S 3/09
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Processes or apparatus for excitation, e.g. pumping |
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H01S 3/10
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating |
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H01S 3/11
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Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping |
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H01S 3/13
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Stabilisation of laser output parameters, e.g. frequency or amplitude |
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H01S 3/14
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Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium |
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H01S 3/16
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Solid materials |
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H01S 3/17
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Solid materials amorphous, e.g. glass |
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H01S 3/20
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Liquids |
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H01S 3/22
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Gases |
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H01S 3/23
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Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media |
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H01S 3/30
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Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects |
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H01S 3/032
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Constructional details of gas laser discharge tubes for confinement of the discharge, e.g. by special features of the discharge constricting tube |
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H01S 3/034
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Optical devices within, or forming part of, the tube, e.g. windows, mirrors |
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H01S 3/036
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Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering or replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube |
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H01S 3/038
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Electrodes, e.g. special shape, configuration or composition |
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H01S 3/041
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Arrangements for thermal management for gas lasers |
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H01S 3/042
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Arrangements for thermal management for solid state lasers |
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H01S 3/063
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Waveguide lasers, e.g. laser amplifiers |
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H01S 3/067
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Fibre lasers |
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H01S 3/081
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Construction or shape of optical resonators or components thereof comprising three or more reflectors |
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H01S 3/082
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Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression |
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H01S 3/083
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Ring lasers |
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H01S 3/086
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One or more reflectors having variable properties or positions for initial adjustment of the resonator |
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H01S 3/091
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Processes or apparatus for excitation, e.g. pumping using optical pumping |
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H01S 3/092
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Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp |
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H01S 3/093
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Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp focusing or directing the excitation energy into the active medium |
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H01S 3/094
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Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light |
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H01S 3/095
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Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping |
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H01S 3/097
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Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser |
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H01S 3/098
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Mode locking; Mode suppression |
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H01S 3/101
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Lasers provided with means to change the location from which, or the direction in which, laser radiation is emitted |
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H01S 3/102
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation |
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H01S 3/104
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers |
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H01S 3/105
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity |
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H01S 3/106
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity |
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H01S 3/107
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using electro-optic devices, e.g. exhibiting Pockels or Kerr effect |
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H01S 3/108
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering |
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H01S 3/109
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Frequency multiplication, e.g. harmonic generation |
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H01S 3/113
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Q-switching using intracavity saturable absorbers |
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H01S 3/115
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Q-switching using intracavity electro-optic devices |
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H01S 3/117
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Q-switching using intracavity acousto-optic devices |
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H01S 3/121
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Q-switching using intracavity mechanical devices |
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H01S 3/123
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Q-switching using intracavity mechanical devices using rotating mirrors |
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H01S 3/125
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Q-switching using intracavity mechanical devices using rotating prisms |
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H01S 3/127
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Plural Q-switches |
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H01S 3/131
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Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation |
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H01S 3/134
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Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers |
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H01S 3/136
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Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity |
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H01S 3/137
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Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity for stabilising of frequency |
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H01S 3/139
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Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity |
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H01S 3/207
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Liquids including a chelate |
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H01S 3/213
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Liquids including an organic dye |
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H01S 3/223
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Gases the active gas being polyatomic, i.e. containing two or more atoms |
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H01S 3/225
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Gases the active gas being polyatomic, i.e. containing two or more atoms comprising an excimer or exciplex |
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H01S 3/227
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Metal vapour |
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H01S 3/0804
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Transverse or lateral modes |
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H01S 3/0805
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Transverse or lateral modes by apertures, e.g. pin-holes or knife-edges |
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H01S 3/0915
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Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light |
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H01S 3/0933
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Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of a semiconductor, e.g. light emitting diode |
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H01S 3/0937
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Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light produced by exploding or combustible material |
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H01S 3/0941
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Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a semiconductor laser, e.g. of a laser diode |
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H01S 3/0943
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Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a gas laser |
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H01S 3/0947
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Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of an organic dye laser |
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H01S 3/0951
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Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping by increasing the pressure in the laser gas medium |
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H01S 3/0953
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Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds |
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H01S 3/0955
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Processes or apparatus for excitation, e.g. pumping using pumping by high energy particles |
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H01S 3/0957
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Processes or apparatus for excitation, e.g. pumping using pumping by high energy particles by high energy nuclear particles |
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H01S 3/0959
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Processes or apparatus for excitation, e.g. pumping using pumping by high energy particles by an electron beam |
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H01S 3/0971
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Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited |
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H01S 3/0973
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Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited having a travelling wave passing through the active medium |
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H01S 3/0975
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Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using inductive or capacitive excitation |
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H01S 3/0977
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Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser having auxiliary ionisation means |
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H01S 3/0979
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Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds |
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H01S 3/1055
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Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity one of the reflectors being constituted by a diffraction grating |
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H01S 3/1106
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Mode locking |
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H01S 3/1109
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Active mode locking |
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H01S 3/1112
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Passive mode locking |
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H01S 3/1115
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Passive mode locking using intracavity saturable absorbers |
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H01S 3/1118
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Semiconductor saturable absorbers, e.g. semiconductor saturable absorber mirrors [SESAMs]; Solid-state saturable absorbers, e.g. carbon nanotube [CNT] based |
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H01S 3/1123
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Q-switching |
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H01S 3/08018
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Mode suppression |
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H01S 3/08022
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Longitudinal modes |
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H01S 3/08031
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Single-mode emission |
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H01S 3/08036
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Single-mode emission using intracavity dispersive, polarising or birefringent elements |
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H01S 3/08045
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Single-mode emission |
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H01S 4/00
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Devices using stimulated emission of electromagnetic radiation in wave ranges other than those covered by groups , or , e.g. phonon masers, X-ray lasers or gamma-ray lasers |
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H01S 5/00
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Semiconductor lasers |
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H01S 5/02
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Structural details or components not essential to laser action |
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H01S 5/04
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Processes or apparatus for excitation, e.g. pumping |
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H01S 5/06
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Arrangements for controlling the laser output parameters, e.g. by operating on the active medium |
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H01S 5/10
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Construction or shape of the optical resonator |
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H01S 5/11
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Comprising a photonic bandgap structure |
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H01S 5/12
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Construction or shape of the optical resonator the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers |
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H01S 5/14
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External cavity lasers |
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H01S 5/16
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Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface |
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H01S 5/18
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Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities |
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H01S 5/20
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Structure or shape of the semiconductor body to guide the optical wave |
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H01S 5/22
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Structure or shape of the semiconductor body to guide the optical wave having a ridge or a stripe structure |
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H01S 5/023
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Mount members, e.g. sub-mount members |
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H01S 5/24
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Structure or shape of the semiconductor body to guide the optical wave having a grooved structure, e.g. V-grooved |
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H01S 5/026
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Monolithically integrated components, e.g. waveguides, monitoring photo-detectors or drivers |
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H01S 5/028
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Coatings |
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H01S 5/30
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Structure or shape of the active region; Materials used for the active region |
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H01S 5/32
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Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures |
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H01S 5/34
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Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers |
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H01S 5/36
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Structure or shape of the active region; Materials used for the active region comprising organic materials |
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H01S 5/40
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Arrangement of two or more semiconductor lasers, not provided for in groups |
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H01S 5/42
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Arrays of surface emitting lasers |
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H01S 5/50
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Amplifier structures not provided for in groups |
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H01S 5/062
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Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes |
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H01S 5/065
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Mode locking; Mode suppression; Mode selection |
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H01S 5/068
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Stabilisation of laser output parameters |
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H01S 5/125
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Distributed Bragg reflector [DBR] lasers |
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H01S 5/183
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Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] |
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H01S 5/185
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Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] |
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H01S 5/187
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Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection |
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H01S 5/0222
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Gas-filled housings |
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H01S 5/223
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Buried stripe structure |
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H01S 5/0225
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Out-coupling of light |
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H01S 5/227
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Buried mesa structure |
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H01S 5/0231
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Stems |
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H01S 5/0232
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Lead-frames |
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H01S 5/0233
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Mounting configuration of laser chips |
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H01S 5/0234
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Up-side down mountings, e.g. Flip-chip, epi-side down mountings or junction down mountings |
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H01S 5/0235
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Method for mounting laser chips |
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H01S 5/0236
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Fixing laser chips on mounts using an adhesive |
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H01S 5/0237
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Fixing laser chips on mounts by soldering |
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H01S 5/0238
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Positioning of the laser chips using marks |
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H01S 5/0239
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Combinations of electrical or optical elements |
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H01S 5/323
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Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures in AIIIBV compounds, e.g. AlGaAs-laser |
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H01S 5/327
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Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures in AIIBVI compounds, e.g. ZnCdSe-laser |
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H01S 5/343
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Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser |
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H01S 5/347
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Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIBVI compounds, e.g. ZnCdSe-laser |
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H01S 5/0625
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Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers |
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H01S 5/0683
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Stabilisation of laser output parameters by monitoring the optical output parameters |
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H01S 5/0687
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Stabilising the frequency of the laser |
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H01S 5/02208
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Mountings; Housings characterised by the shape of the housings |
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H01S 5/02212
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Can-type, e.g. TO-CAN housings with emission along or parallel to symmetry axis |
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H01S 5/02216
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Butterfly-type, i.e. with electrode pins extending horizontally from the housings |
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H01S 5/02218
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Material of the housings; Filling of the housings |
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H01S 5/02224
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Gas-filled housings the gas comprising oxygen, e.g. for avoiding contamination of the light emitting facets |
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H01S 5/02232
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Liquid-filled housings |
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H01S 5/02234
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Material of the housings; Filling of the housings the housings being made of resin |
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H01S 5/02235
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Getter material for absorbing contamination |
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H01S 5/02251
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Out-coupling of light using optical fibres |
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H01S 5/02253
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Out-coupling of light using lenses |
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H01S 5/02255
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Out-coupling of light using beam deflecting elements |
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H01S 5/02257
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Out-coupling of light using windows, e.g. specially adapted for back-reflecting light to a detector inside the housing |
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H01S 5/02315
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Support members, e.g. bases or carriers |
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H01S 5/02325
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Mechanically integrated components on mount members or optical micro-benches |
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H01S 5/02326
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Arrangements for relative positioning of laser diodes and optical components, e.g. grooves in the mount to fix optical fibres or lenses |
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H01S 5/02335
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Up-side up mountings, e.g. epi-side up mountings or junction up mountings |
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H01S 5/02345
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Wire-bonding |
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H01S 5/02355
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Fixing laser chips on mounts |
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H01S 5/02365
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Fixing laser chips on mounts by clamping |
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H01S 5/02375
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Positioning of the laser chips |
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H01S 5/02385
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Positioning of the laser chips using laser light as reference |
