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Class Information
Number: 372/39
Name: Coherent light generators > Particular active media
Description: Subject matter wherein the media in which most of the atoms can be placed in an excited state (i.e., population inversion state), so that an electromagnetic wave of the proper frequency passing through the media can stimulate a cascade of photons, is specified.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6185231 |
Yb-doped:YCOB laser |
Feb. 6, 2001 |
| 6185235 |
Lasers with low doped gain medium |
Feb. 6, 2001 |
| 6167065 |
Compact discharge pumped soft x-ray laser |
Dec. 26, 2000 |
| 6160828 |
Organic vertical-cavity surface-emitting laser |
Dec. 12, 2000 |
| 6160824 |
Laser-pumped compound waveguide lasers and amplifiers |
Dec. 12, 2000 |
| 6157660 |
Apparatus for generating linearly-orthogonally polarized light beams |
Dec. 5, 2000 |
| 6111902 |
Organic semiconductor laser |
Aug. 29, 2000 |
| 6101203 |
Function element using quantum interference effect |
Aug. 8, 2000 |
| 6060031 |
Method for neutralizing acid gases from laser exhaust |
May. 9, 2000 |
| 6047013 |
Low-phonon-frequency chalcogenide crystalline hosts for rare earth lasers operating beyond three microns |
Apr. 4, 2000 |
| 6036321 |
Crystal isolation housing |
Mar. 14, 2000 |
| 6034979 |
Laser oscillator |
Mar. 7, 2000 |
| 6034977 |
Optical path difference control system and method for solid state lasers |
Mar. 7, 2000 |
| 6028873 |
Optical device capable of functioning without a population inversion |
Feb. 22, 2000 |
| 6023479 |
Solid microlaser passively switched by a saturable absorber and its production process |
Feb. 8, 2000 |
| 6014389 |
Fiber-based continuous wave blue laser source |
Jan. 11, 2000 |
| 5991315 |
Optically controllable cooled saturable absorber Q-switch slab |
Nov. 23, 1999 |
| 5982792 |
Solid-state laser device |
Nov. 9, 1999 |
| 5982801 |
Momentum transfer apparatus |
Nov. 9, 1999 |
| 5974061 |
Laser pump cavity apparatus with improved thermal lensing control, cooling, and fracture strength and method |
Oct. 26, 1999 |
| 5970079 |
Laser material |
Oct. 19, 1999 |
| 5966393 |
Hybrid light-emitting sources for efficient and cost effective white lighting and for full-color applications |
Oct. 12, 1999 |
| 5943354 |
Optical sources having a strongly scattering gain medium providing laser-like action |
Aug. 24, 1999 |
| 5898720 |
Optical element |
Apr. 27, 1999 |
| 5892785 |
Semiconductor laser |
Apr. 6, 1999 |
| 5881083 |
Conjugated polymers as materials for solid state laser |
Mar. 9, 1999 |
| 5869689 |
Stains for acidic organelles |
Feb. 9, 1999 |
| 5862163 |
Apparatus for generating ultraviolet laser radiation |
Jan. 19, 1999 |
| 5859863 |
Gas generating system for chemical lasers |
Jan. 12, 1999 |
| 5852623 |
Cerium activated colquirite laser crystal |
Dec. 22, 1998 |
| 5852622 |
Solid state lasers with composite crystal or glass components |
Dec. 22, 1998 |
| 5852626 |
Geometry for cylindrical shaped laser system gain medium |
Dec. 22, 1998 |
| 5841805 |
Three-level laser system |
Nov. 24, 1998 |
| 5822353 |
Solid-state laser |
Oct. 13, 1998 |
| 5793781 |
Solid state source for generating intense light for photodynamic therapy and photomedicine |
Aug. 11, 1998 |
| 5781573 |
High power solid state laser and method of increasing power using same |
Jul. 14, 1998 |
| 5778020 |
ND: YAG laser pump head |
Jul. 7, 1998 |
| 5761224 |
Miniature stimulated raman shifting cell |
Jun. 2, 1998 |
| 5754570 |
Co-doped optical material emitting visible/IR light |
May. 19, 1998 |
| 5746942 |
Erbium-doped low phonon hosts as sources of fluorescent emission |
May. 5, 1998 |
| 5748664 |
Solid state laser with positive thermal lens |
May. 5, 1998 |
| 5717517 |
Method for amplifying laser signals and an amplifier for use in said method |
Feb. 10, 1998 |
| 5699376 |
Laser system and method using plural gain elements and thermal lensing |
Dec. 16, 1997 |
| 5699374 |
Solid-state material, method of manufacturing the solid-state material, frequency-converting element, and frequency-measuring instrument incorporating the element, and frequency modulator/ampl |
Dec. 16, 1997 |
| 5694500 |
Optical amplifier operating at 1.3 microns useful for telecommunications and based on dysprosium-doped metal chloride host materials |
Dec. 2, 1997 |
| 5682402 |
Organic luminescent devices with a multiplex structure |
Oct. 28, 1997 |
| 5682397 |
Er:YALO upconversion laser |
Oct. 28, 1997 |
| 5680412 |
Apparatus for improving the optical intensity induced damage limit of optical quality crystals |
Oct. 21, 1997 |
| 5673281 |
Solid state system for frequency conversion using raman-active media and non-linear media |
Sep. 30, 1997 |
| 5659567 |
Microwave-driven UV light source and solid-state laser |
Aug. 19, 1997 |
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