| 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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| 06/16/2004 | EP1429432A1 Gas laser oscillation device |
| 06/16/2004 | EP1427677A2 Glass fibre with at least two glass layers |
| 06/16/2004 | EP1166469A4 Atmospheric optical communication |
| 06/16/2004 | EP1097023B1 Device for the laser processing of workpieces |
| 06/16/2004 | EP1016092B1 Method and apparatus for producing extreme ultra-violet light for use in photolithography |
| 06/16/2004 | EP0990284B1 Phase-conjugation laser mirror with four-wave mixing |
| 06/16/2004 | EP0880832B1 Optical pulse source |
| 06/16/2004 | CN1505857A High-peak-power laser device and application to the generation of light in the extreme ultraviolet |
| 06/16/2004 | CN1505856A A cladding-pumped optical fiber laster |
| 06/16/2004 | CN1505767A Semiconductor laser module and optical amplifier |
| 06/16/2004 | CN1505226A 激光二极管驱动装置 Laser diode drive |
| 06/16/2004 | CN1505225A GaAs laser window material containing compensation doping agent and method for making same |
| 06/16/2004 | CN1505224A Nd-doped lanthanum calcium oxygen borate laser crystal, method for making same and use thereof |
| 06/16/2004 | CN1505223A Automatic temperature compensation system for laser device |
| 06/16/2004 | CN1504789A 光学系统模块 Optical System Module |
| 06/16/2004 | CN1154209C Semiconductor laser-excited solid laser |
| 06/16/2004 | CN1154208C Self-injection locking monofrequency ring fiber laser |
| 06/16/2004 | CN1154014C Optic amplifier, and optic transmission system using the same |
| 06/16/2004 | CN1154013C Method and apparatus for controlling power of laser diode |
| 06/16/2004 | CN1153682C Passport production system and method |
| 06/15/2004 | US6751421 Optical fiber communication system employing wavelength converter for broadband transmission |
| 06/15/2004 | US6751388 Fiber lasers having a complex-valued Vc-parameter for gain-guiding |
| 06/15/2004 | US6751241 Multimode fiber laser gratings |
| 06/15/2004 | US6751240 Systems for generating short-pulse laser light |
| 06/15/2004 | US6751014 Automatic gain control and dynamic equalization of erbium doped optical amplifiers in wavelength multiplexing networks |
| 06/15/2004 | US6751013 Gain-clamped semiconductor optical amplifiers with adjustable gain levels |
| 06/15/2004 | US6751011 Characteristic measuring method and characteristic measuring system of wavelength division multiplexing optical amplifier |
| 06/15/2004 | US6750972 Gas discharge ultraviolet wavemeter with enhanced illumination |
| 06/15/2004 | US6750478 Semiconductor laser device and method for suppressing fabry perot oscillations |
| 06/15/2004 | US6750421 Method and system for laser welding |
| 06/10/2004 | WO2004049529A1 Organic vertical cavity laser and imaging system |
| 06/10/2004 | WO2004049525A1 Actively mode-locked lasers and other photonic devices using electro-optic whispering gallery mode resonators |
| 06/10/2004 | WO2004049524A1 High power slab type gas laser |
| 06/10/2004 | WO2004049523A2 Off-peak optical pumping of yttrium orthovanadate |
| 06/10/2004 | WO2004049522A2 Passive q-switch laser |
| 06/10/2004 | WO2004049056A1 Method and apparatus for generating narrowband coherent light output from an optical oscillator |
| 06/10/2004 | WO2004049049A1 Pockels cell |
| 06/10/2004 | WO2004048055A2 Method for creating a colored, engraved mark on a brick |
| 06/10/2004 | WO2003091756A3 Frequency locker |
| 06/10/2004 | US20040110395 Method for fabricating semiconductor device |
| 06/10/2004 | US20040109808 Yttrium aluminum garnet powders and processing |
| 06/10/2004 | US20040109638 Gain equalizer and optical amplification apparatus |
| 06/10/2004 | US20040109487 External cavity laser with dispersion compensation for mode-hop-free tuning |
| 06/10/2004 | US20040109484 Semiconductor laser device and optical pickup device |
| 06/10/2004 | US20040109483 Nanocrystal waveguide (NOW) laser |
| 06/10/2004 | US20040109480 Atmosperic light beam projection apparatus and method |
| 06/10/2004 | US20040109478 Tunable spectroscopic source with power stability and method of operation |
| 06/10/2004 | US20040109328 Optical uses of diamondoid-containing materials |
| 06/10/2004 | US20040109230 Optical signal amplifier |
| 06/10/2004 | US20040109228 Fiber optic amplifier for oilfield applications |
| 06/10/2004 | US20040109227 Optical fiber amplifier having automatic power control function and automatic power control method |
| 06/10/2004 | US20040109226 L-band optical amplifier |
| 06/10/2004 | US20040109225 Multi-mode pumped ase source using phosphate and tellurite glasses |
| 06/10/2004 | US20040109224 Reflective dispersion-compensation optical amplifier |
| 06/10/2004 | US20040109221 High speed optical signal processor including saturable absorber and gain-clamped optical amplifier |
| 06/10/2004 | US20040109217 Atomic clock based on an opto-electronic oscillator |
| 06/10/2004 | US20040108473 Extreme ultraviolet light source |
| 06/09/2004 | EP1427119A2 Optical amplifier and optical communication system employing the same |
| 06/09/2004 | EP1427118A1 Optical fiber amplifier having automatic power control function and automatic power control method |
| 06/09/2004 | EP1427078A1 Laser with reduced parasitic etalon effect |
| 06/09/2004 | EP1427075A2 Raman amplifier and optical relay transmission system |
| 06/09/2004 | EP1427074A2 Laser tuning by spectrally dependent spatial filtering |
| 06/09/2004 | EP1425833A2 Type ii mid-infrared quantum well laser |
| 06/09/2004 | EP1425830A2 Method for controlling a pump unit while optically amplifying a transmitted wavelength multiplex (wdm) signal |
| 06/09/2004 | EP1425829A2 Multi-wavelength laser apparatus and method |
| 06/09/2004 | EP1425250A1 Bismuth oxide glasses containing germanium oxide |
| 06/09/2004 | DE20301425U1 Slab laser has resonator mirrors opposite ends outer electrode pairs, deflection mirrors opposite other ends to couple laser light out of these ends into adjacent discharge chamber |
| 06/09/2004 | CN2620402Y Single side pumping all solidified Yb:YAG block external cavity laser |
| 06/09/2004 | CN2620401Y Double-side pumping all solidified Yb:YAG block laser |
| 06/09/2004 | CN2620400Y Double side pumping all solidified Yb:YAG block external cavity laser |
| 06/09/2004 | CN2620399Y Double side pumping all solidified Yb:YAG strip external cavity laser |
| 06/09/2004 | CN2620398Y Single side pumping all solidified Yb:YAG strip external cavity laser |
| 06/09/2004 | CN2620397Y Single side pumping all solidified Yb:YAG block laser |
| 06/09/2004 | CN1503415A Surface luminous type semiconductor laser and mfg method |
| 06/09/2004 | CN1503044A Extendible Ruman amplifier and control method thereof |
| 06/09/2004 | CN1503020A Fabry-Perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same |
| 06/09/2004 | CN1502577A Erbium doped bismuth borate glass and prepaation process thereof |
| 06/09/2004 | CN1153383C Optical fibre amplifier having controlled gain |
| 06/09/2004 | CN1153075C Erbium doped optic fibre and mfg. method thereof, erbium doped optic fibre amplifier |
| 06/08/2004 | US6748179 WDM channel monitoring system and method |
| 06/08/2004 | US6748178 Optical transmission line |
| 06/08/2004 | US6748152 Optical transmission system |
| 06/08/2004 | US6748136 Wide band Raman amplifiers |
| 06/08/2004 | US6748129 Method and apparatus of monitoring optical power level in waveguiding structures |
| 06/08/2004 | US6748001 Semiconductor laser device providing laser light of two wavelengths and method of fabricating the same |
| 06/08/2004 | US6747794 Semiconductor optical amplifier using energy from single-transverse-mode VCSELs to amplify optical signal |
| 06/08/2004 | US6747792 Optical amplifying method |
| 06/08/2004 | US6747791 Optical amplifier with a spectral gain monitor using a volume phase grating |
| 06/08/2004 | US6747790 Optical amplifier for amplifying multi-wavelength light |
| 06/08/2004 | US6747789 Laser amplifying system |
| 06/08/2004 | US6747788 Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier |
| 06/08/2004 | CA2227818C Solid state lasers |
| 06/03/2004 | WO2004047339A2 Fiber amplifier having a non-doped inner core and at least one doped gain region |
| 06/03/2004 | WO2004047318A2 Optical amplifier module housed in a universal cable joint for anundersea optical transmission system |
| 06/03/2004 | WO2004047241A2 Multiple-disks laser system |
| 06/03/2004 | WO2004047238A2 System for improved power control |
| 06/03/2004 | WO2004047237A2 Wavelength locker |
| 06/03/2004 | WO2004046638A2 Optimizing power for second laser |
| 06/03/2004 | WO2004027948A3 Laser apparatus and method for improving the thermal stress resistance |
| 06/03/2004 | WO2004021612A3 Method for determining the gain spectrum of a raman amplifier in a wdm-transmission system |