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Class Information
Number: 372/68
Name: Coherent light generators > Particular active media > Plural active media or active media having plural dopants
Description: Subject matter where the active media exists as two or more separate and distinct bodies or as a single body doped with ions of two or more different chemical elements.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| H882 |
Multiple-section pulsed gas laser |
Jan. 1, 1991 |
| 4969154 |
Room-temperature, flashpumped, 2 micron solid state laser with high slope efficiency |
Nov. 6, 1990 |
| 4956843 |
Simultaneous generation of laser radiation at two different frequencies |
Sep. 11, 1990 |
| 4955036 |
Semiconductor arrangement for producing a periodic refractive index distribution and/or a periodic gain distribution |
Sep. 4, 1990 |
| 4942586 |
High power diode pumped laser |
Jul. 17, 1990 |
| 4922502 |
Solid-state laser device comprising a plurality of excitation units selectively energized |
May. 1, 1990 |
| 4910746 |
Multiple crystal pumping cavity laser with thermal and mechanical isolation |
Mar. 20, 1990 |
| 4881238 |
Semiconductor laser having quantum well active region doped with impurities |
Nov. 14, 1989 |
| 4876694 |
External cavity slab lasers |
Oct. 24, 1989 |
| 4860301 |
Multiple crystal pumping cavity laser with thermal and mechanical isolation |
Aug. 22, 1989 |
| 4860303 |
Double-sided co-axial laser |
Aug. 22, 1989 |
| 4792961 |
Laser devices |
Dec. 20, 1988 |
| 4701928 |
Diode laser pumped co-doped laser |
Oct. 20, 1987 |
| 4697271 |
Solid-state laser device capable of effectively exciting a plurality of slab-shaped laser media |
Sep. 29, 1987 |
| 4679198 |
Solid-state tunable laser |
Jul. 7, 1987 |
| 4677636 |
Multiplex electric discharge gas laser system |
Jun. 30, 1987 |
| 4672619 |
Color centers for tunable lasers in the near infrared region |
Jun. 9, 1987 |
| 4672617 |
Lasers |
Jun. 9, 1987 |
| 4660203 |
Soft X-ray laser using pumping of 3P and 4P levels of He-like and H-like ions |
Apr. 21, 1987 |
| 4648094 |
Chromium (3+) doped germanate garnets as active media for tunable solid state lasers |
Mar. 3, 1987 |
| 4644555 |
Solid-state laser device comprising a flash lamp used in oscillation and amplification in common |
Feb. 17, 1987 |
| 4592056 |
Resonant photon pumping mechanisms for a plasma x-ray laser |
May. 27, 1986 |
| 4575850 |
Multiline emission integral mirror laser |
Mar. 11, 1986 |
| 4554666 |
High-energy, single longitudinal mode hybrid laser |
Nov. 19, 1985 |
| 4528671 |
Multiple host face-pumped laser |
Jul. 9, 1985 |
| 4523319 |
Laser tape systems |
Jun. 11, 1985 |
| 4517676 |
Multi-species, CW combustion driven laser employing hydrogen bromide |
May. 14, 1985 |
| 4513424 |
Laser pumped by X-band microwaves |
Apr. 23, 1985 |
| 4472809 |
Hybrid laser |
Sep. 18, 1984 |
| 4414671 |
Collision laser |
Nov. 8, 1983 |
| 4410995 |
Cascaded dye laser cavities |
Oct. 18, 1983 |
| 4403323 |
Optical transistor |
Sep. 6, 1983 |
| 4287486 |
Laser resonator cavities with wavelength tuning arrangements |
Sep. 1, 1981 |
| 4284962 |
Excimer-pumped four level blue-green solid state laser |
Aug. 18, 1981 |
| 4241319 |
Dual channel waveguide gas laser |
Dec. 23, 1980 |
| 4230993 |
Process for increasing the pulse repetition frequency in a laser |
Oct. 28, 1980 |
| 4230598 |
Phosphor and process for preparing same |
Oct. 28, 1980 |
| 4227159 |
Common-resonator pre-locked laser |
Oct. 7, 1980 |
| 4201951 |
Cascaded plasma tube ion laser having single resonator structure |
May. 6, 1980 |
| 4173738 |
Solid state laser amplifier having two output wavelengths |
Nov. 6, 1979 |
| 4136316 |
Multi-color, activator-activator laser |
Jan. 23, 1979 |
| 4134084 |
Hybrid laser structures |
Jan. 9, 1979 |
| 4132962 |
Tunable laser system |
Jan. 2, 1979 |
| 4125816 |
Solid state laser having two output wavelengths |
Nov. 14, 1978 |
| 4124524 |
Neodymium ultraphosphates and process for their preparation |
Nov. 7, 1978 |
| 4120587 |
Double optical fiber waveguide ring laser gyroscope |
Oct. 17, 1978 |
| 4083018 |
Tunable laser system |
Apr. 4, 1978 |
| 4081761 |
Enhanced laser pumping by auxiliary luminescent centers that absorb and transfer normally wasted pump energy to the laser ion |
Mar. 28, 1978 |
| 4048585 |
Tuning type laser oscillator apparatus and laser radar system and laser communication system using the same |
Sep. 13, 1977 |
| 4044315 |
Means for producing and amplifying optical energy |
Aug. 23, 1977 |
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