| Patents for H01S 3 - Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (57,482) |
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| 05/18/1999 | US5904492 Quantum wire laser diode fabrication method |
| 05/18/1999 | CA2128839C Optical modulators as monolithically integrated optical isolators |
| 05/18/1999 | CA2122175C Polarization-insensitive optical four-photon mixer with orthogonally-polarized pump signals |
| 05/14/1999 | WO1999023733A1 Apparatus for generating orthogonally polarized beams having different frequencies |
| 05/14/1999 | WO1999023732A1 Gas laser device and integrated gas purifying means |
| 05/14/1999 | WO1999023517A1 Stable cladding glasses for sulphide fibres |
| 05/14/1999 | WO1999008156A8 Laser-illuminated stepper or scanner with energy sensor feedback |
| 05/14/1999 | CA2306267A1 Stable cladding glasses for sulphide fibres |
| 05/14/1999 | CA2276706A1 Gas laser device and integrated gas purifying means |
| 05/12/1999 | EP0915613A1 Method and apparatus for exposing an image recording medium |
| 05/12/1999 | EP0915583A2 Wavelength division multiplex transmission apparatus |
| 05/12/1999 | EP0915541A2 Diode-pumped system and method for producing image spots of constant size |
| 05/12/1999 | EP0914698A1 Optical waveguide amplifier |
| 05/12/1999 | EP0914300A2 Low-energy phonon spectrum glass composition, method for the production and use thereof |
| 05/12/1999 | EP0745282B1 System for minimizing the depolarization of a laser beam due to thermally induced birefringence |
| 05/12/1999 | DE19839082A1 Control process and power supply for activation of a pulsed laser |
| 05/12/1999 | CN2318733Y Optical resonant cavity optical cavity head capable of changing cavity length |
| 05/12/1999 | CN1216641A Optical fibre amplifier for wavelength multiplex operation |
| 05/11/1999 | US5903585 Optoelectronic devices |
| 05/11/1999 | US5903385 Remotely pumping type multi-wavelength light transmission system |
| 05/11/1999 | US5903340 Optically-based methods and apparatus for performing document authentication |
| 05/11/1999 | US5902665 Laser beam irradiated texture on magnetic recording surface, forming projections |
| 05/11/1999 | US5902445 For securing at least two pieces of material, such as fabic, together |
| 05/11/1999 | CA2114089C Active-mode-locking optical fiber laser generator |
| 05/11/1999 | CA2110816C Laser beam scanning apparatus and method |
| 05/06/1999 | WO1999022428A1 All metal electrode sealed gas laser |
| 05/06/1999 | WO1999022259A1 Multiple wavelength bidirectional lightwave amplifier |
| 05/06/1999 | WO1999022204A1 Brillouin/erbium fibre laser current monitor using elliptically polarizing fibre |
| 05/06/1999 | WO1999013539A3 Laser with line narrowing output coupler |
| 05/06/1999 | EP0912858A2 Wall element for a protective device surrounding an operating or working area and protecting against laser beams from a laser source |
| 05/06/1999 | EP0912453A2 Optical glass, optical waveguide amplifier and optical waveguide laser |
| 05/06/1999 | DE19848105A1 Shaping of generated laser pulse |
| 05/06/1999 | CA2306765A1 Multiple wavelength bidirectional lightwave amplifier |
| 05/05/1999 | CN2317564Y 固体染料激光器 Solid dye laser |
| 05/05/1999 | CN2317563Y Liquid nitrogen low temp. circulating device for laser generator |
| 05/05/1999 | CN2317562Y Small helium-neon gas laser |
| 05/05/1999 | CN2317561Y One thousand watt radio frequency exciting fast axial flow carbon dioxide laser |
| 05/05/1999 | CN1215767A Non-linear optic crystal aluminium-oxygen-barium borate |
| 05/04/1999 | US5901167 Air cooled gas laser |
| 05/04/1999 | US5901163 Narrow band laser with etalon based output coupler |
| 05/04/1999 | US5901162 Hybrid, saturable reflector for mode-locking lasers |
| 05/04/1999 | US5900980 Apparatus and method for laser radiation |
| 05/04/1999 | US5900970 Optical filter and optical transmission system having the same |
| 05/04/1999 | US5900969 Broadband flat gain optical amplifier |
| 05/04/1999 | US5900967 Laser diode mounting technique to evenly deposit energy |
| 05/04/1999 | US5900219 Generator and process for generating a product gas |
| 05/04/1999 | US5900057 Planar waveguide and a process for its fabrication |
| 05/04/1999 | CA2062708C Method and apparatus for regenerating gas used in carbon dioxide laser generator |
| 04/29/1999 | WO1999021250A2 Diode pumped laser using gain mediums with strong thermal focussing |
| 04/29/1999 | WO1999021053A1 Soliton pulse generator |
| 04/29/1999 | WO1999020979A1 Path length controller bonding pattern |
| 04/29/1999 | DE19743493A1 Laser frequency measurement method |
| 04/29/1999 | CA2304593A1 Soliton pulse generator |
| 04/29/1999 | CA2219592A1 Optical fiber amplified eled light source with relative intensity noise reduction system |
| 04/28/1999 | EP0911930A1 Broadband light source |
| 04/28/1999 | EP0911927A1 Broadband tunable semiconductor laser source |
| 04/28/1999 | EP0911926A1 Optical amplifier and transmission system using the same |
| 04/28/1999 | EP0911925A2 Electron tube type unidirectional optical amplifier |
| 04/28/1999 | EP0911924A2 External cavity laser type light source |
| 04/28/1999 | EP0911922A1 Laser resonator |
| 04/28/1999 | EP0911920A2 Methode of mounting a laser wafer with a high reflective coating on a heatsink and layerstack produced using the same methode |
| 04/28/1999 | EP0911683A1 Hyperfrequency wave generator |
| 04/28/1999 | EP0758493B1 Single polarization fiber and amplifier |
| 04/28/1999 | EP0663260B1 System for controlling laser output |
| 04/28/1999 | CN1215264A Optical amplifier for optical communication equipment |
| 04/28/1999 | CN1215155A Multiplexing high resolution measuring system for frequency change of multimode optical fibre laser sound transducer |
| 04/28/1999 | CN1043174C Five-section impact pulse mode-locked quantum trap laser |
| 04/27/1999 | US5898812 Apparatus and method for housing high heat emission electro-optical components |
| 04/27/1999 | US5898725 Excimer laser with greater spectral bandwidth and beam stability |
| 04/27/1999 | US5898724 Gas laser apparatus |
| 04/27/1999 | US5898723 Metal vapor laser device |
| 04/27/1999 | US5898720 Optical element |
| 04/27/1999 | US5898717 Third harmonic generation apparatus |
| 04/27/1999 | US5898716 Structure of a passively mode-locked optical fiber laser |
| 04/27/1999 | US5898715 Optical communication system comprising a cladding pumped fiber laser |
| 04/27/1999 | US5898714 Optical pulse generator |
| 04/27/1999 | US5898489 Laser irradiation light detecting device |
| 04/27/1999 | US5898270 A pulsed high energy arc-tube flashlamp with bend-resistant anode and cathode mounted in a laser cassette holder with a middle constraining gap disposed within each quartz glass seal; strength, stability, cable support |
| 04/27/1999 | US5897847 Introducing oxygen which reacts with carbon tetrafluoride impurity, condensing compounds formed in cryogenic trap, removing impurity |
| 04/27/1999 | US5897799 Laser processing apparatus |
| 04/27/1999 | US5897314 Medical or dental laser instrument, especially for dental root canal treatments |
| 04/22/1999 | WO1999019952A1 Narrow band excimer laser with gas additive |
| 04/22/1999 | WO1999019951A1 Narrow band excimer laser |
| 04/22/1999 | WO1999019950A1 Pulse energy control for excimer laser |
| 04/22/1999 | WO1999019949A1 Fiber amplifier with reduced temperature dependent gain flatness distortion |
| 04/22/1999 | WO1999005803A3 Laser wavelength control under direct modulation |
| 04/22/1999 | CA2274884A1 Fiber amplifier with reduced temperature dependent gain flatness distortion |
| 04/21/1999 | EP0910184A2 Optical amplifier and optical communication system having the optical amplifier |
| 04/21/1999 | EP0910142A2 Optical pulse generator |
| 04/21/1999 | EP0910141A1 Optically amplifying fiber and amplifier with such a fiber |
| 04/21/1999 | EP0910140A2 Optical amplifier for use in optical communications equipment |
| 04/21/1999 | EP0910139A2 Optical amplifier and optical transmission system including the optical amplifier |
| 04/21/1999 | EP0909965A1 Recoatable temperature-insensitive long-period gratings |
| 04/21/1999 | EP0909606A1 Hole making device for web material |
| 04/21/1999 | EP0909404A1 An optical harmonic generator |
| 04/21/1999 | CN2315684Y Structure improved green light laser using laser diode to excite and drive crystal |
| 04/21/1999 | CN1214824A Method of determining optical amplifier failures |
| 04/21/1999 | CN1214581A Wavelength division multiplexed transmission system and transmitting method using the same |
| 04/20/1999 | US5896407 High-efficiency plasma confining method, laser oscillating method and laser oscillator |
| 04/20/1999 | US5896221 Optical amplifying system having multiple branching units and method therefor |