| 1/00 | Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves |
| 1/02 | Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves solid |
| 1/04 | Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves liquid |
| 1/06 | Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves gaseous |
| 3/00 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) |
| 3/02 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details |
| 3/03 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details of gas laser discharge tubes |
| 3/032 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details of gas laser discharge tubes for confinement of the discharge, e.g. by special features of the discharge constricting tube |
| 3/034 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details of gas laser discharge tubes Optical devices within, or forming part of, the tube, e.g. windows, mirrors (reflectors having variable properties or positions for initial adjustment of the resonator H01S 3/086) |
| 3/036 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details of gas laser discharge tubes Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube (cooling arrangements for gas lasers H01S 3/041; gas dynamic lasers H01S 3/0979) |
| 3/038 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details of gas laser discharge tubes Electrodes, e.g. special shape, configuration or composition |
| 3/04 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details Cooling arrangements |
| 3/041 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details Cooling arrangements for gas lasers |
| 3/042 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Constructional details Cooling arrangements for solid state lasers |
| 3/05 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium |
| 3/06 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium Construction or shape of active medium |
| 3/063 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium Construction or shape of active medium Waveguide lasers, e.g. laser amplifiers |
| 3/067 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium Construction or shape of active medium Waveguide lasers, e.g. laser amplifiers Fibre lasers |
| 3/07 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium Construction or shape of active medium consisting of a plurality of parts, e.g. segments (H01S 3/067 takes precedence) |
| 3/08 | Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium Construction or shape of optical resonators or components thereof |