Patents
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)
11/2002
11/07/2002WO2002047216A3 Apparatus for the generation of variable duration laser pulses
11/07/2002WO2001063802A9 Multiple wavelength laser source
11/07/2002US20020164842 Method for manufacturing a semiconductor device
11/07/2002US20020164135 Optical pulse waveform conversion
11/07/2002US20020164106 Optical disk device and optical pickup device
11/07/2002US20020163951 Microoptoelectromechanical system (MOEMS) based laser
11/07/2002US20020163948 Semiconductor laser device having a diffraction grating on a light emission side
11/07/2002US20020163942 Multiple reflectivity band reflector for laser wavelength monitoring
11/07/2002US20020163941 Bandwidth enhanced self-injection locked DFB laser with narrow linewidth
11/07/2002US20020163714 Pumping method and unit for optical amplifiers
11/07/2002US20020163713 Raman-based utility optical amplifier
11/07/2002US20020163712 Optical fiber raman amplifier and optical fiber communication system comprising at least one such amplifer
11/07/2002US20020163711 Raman amplifier
11/07/2002US20020163710 Composite optical amplifier
11/07/2002US20020163650 Method and system for locking transmission wavelengths for lasers in a dense wavelength division multiplexer
11/07/2002US20020163646 Swept wavelength meter
11/07/2002US20020163645 All-optical bit phase sensing
11/07/2002US20020163635 Method and system for automatic raman gain control
11/07/2002US20020163394 Miniature frequency standard based on all-optical excitation and a micro-machined containment vessel
11/07/2002CA2444965A1 Optical transmission system comprising a supervisory system
11/06/2002EP1255366A2 Multi-stage raman amplifier
11/06/2002EP1255336A2 Semiconductor laser device having a diffraction grating on a light emission side
11/06/2002EP1255335A2 Semiconductor laser device having a diffraction grating on a light reflection side
11/06/2002EP1255331A1 CW far-UV laser system with two active resonators
11/06/2002EP1254869A1 Light-amplifying glass and process for producing the same
11/06/2002EP1254080A1 Transparent glass-ceramics based on alpha- and beta-willemite
11/06/2002EP1203427A4 High pulse rate pulse power system with liquid cooling
11/06/2002CN1378642A Method and apparatus for determining characteristic of laser beam spot
11/06/2002CN1378523A Tellurite glasses and optical components
11/05/2002US6477307 Cladding-pumped optical fiber and methods for fabricating
11/05/2002US6477301 Micro-optic coupler incorporating a tapered fiber
11/05/2002US6477297 Reduction of bend loss through constraint of optical fiber parameters
11/05/2002US6477295 Pump coupling of double clad fibers
11/05/2002US6477193 Extreme repetition rate gas discharge laser with improved blower motor
11/05/2002US6477192 Device for on-line control of output power of vacuum-UV laser
11/05/2002US6477189 Laser oscillation frequency stabilizer
11/05/2002US6477187 F2-laser with line selection
11/05/2002US6476987 Excimer laser with line narrowing
11/05/2002US6476961 Optical amplifier systems with transient control
11/05/2002US6476960 Thulium doped fiber amplifier pumping scheme
11/05/2002US6476959 Optical pulse synthesis using brillouin selective sideband amplification
11/05/2002US6476916 Active optical detector
11/05/2002US6476409 Nano-structures, process for preparing nano-structures and devices
11/01/2002CA2383722A1 A raman amplifier
11/01/2002CA2374602A1 Semiconductor laser device having a diffraction grating on a light emission side
10/2002
10/31/2002WO2002087033A1 Frequency modulated laser apparatus and method
10/31/2002WO2002087032A1 Modulatable multi-wavelength fiber laser source
10/31/2002WO2002086964A1 Wiring method and element arranging method using the same, and method of producing image display devices
10/31/2002WO2002086554A2 Dynamic range and redundant pump wavelenght combining for raman optical amplifier
10/31/2002WO2002086553A2 Pump assembly employing coupled radiation sources
10/31/2002WO2002058283A3 Optical pre-amplifier apparatus and method for performing gain control
10/31/2002WO2002021644A3 Method and device for producing stabilised ultrashort laser light pulses
10/31/2002US20020159740 Laser-induced crystallization of transparent glass-ceramics
10/31/2002US20020159736 Cladding-pumped 3-level fiber laser/amplifier
10/31/2002US20020159694 Optical power device protector and optical transmission system using it, and method for protecting optical power device
10/31/2002US20020159691 Loss-less tunable per-channel dispersion compensator
10/31/2002US20020159496 Laser with gain medium configured to provide an integrated optical pump cavity
10/31/2002US20020159495 Tm:YAG laser
10/31/2002US20020159139 Polarization-maintaining optical fiber amplifier employing externally applied stress-induced birefringence
10/31/2002US20020159138 Access device for pump source in cascade erbium-doped fiber amplification
10/31/2002US20020159137 Thulium-doped fiber amplifier using pump light for improving conversion efficiency in a S-band
10/31/2002US20020159131 Optical amplifier providing dispersion compensation
10/31/2002US20020159064 Vacuum ultraviolet laser wavelength measuring apparatus
10/31/2002US20020158611 Apparatus and method for stabilizing the frequency of a laser
10/31/2002US20020158260 Solid-state light source apparatus
10/31/2002DE10217826A1 Festkörper-Lichtquellenanordnung Solid state light source arrangement
10/31/2002DE10115825A1 Beam guidance method for ultra-short laser pulses uses expansion of pulse duration for preventing damage threshold of optical fiber or optical fiber bundle being reached
10/30/2002EP1253685A1 Cooler, semiconductor laser light source, semiconductor laser light source unit, method for producing semiconductor laser light source unit, and solid laser
10/30/2002EP1252692A1 Diode-laser line-illuminating system
10/30/2002EP1252691A1 Wavemeter for gas discharge laser
10/30/2002EP1252690A1 Optically pumped solid state laser
10/30/2002EP1252689A1 Deep ultraviolet catadioptric anamorphic telescope
10/30/2002EP1252688A1 Laser amplifier system
10/30/2002EP1252687A1 Laser amplifier system
10/30/2002EP1252114A1 Tungstate, molybdate, vanadate base glasses
10/30/2002EP0758496B1 Cartridge excimer laser system
10/30/2002CN2519500Y Radial adjusting new type laser crystal supporting frame
10/30/2002CN2519499Y Hole boring coupling laser mirrow frame
10/30/2002CN1377571A Method and device for laser drilling organic materials
10/29/2002US6473549 Multi-stage fiber amplifier with flattened gain curves
10/29/2002US6473540 Device and method for filtering optical wavelengths
10/29/2002US6473445 Gas laser
10/29/2002US6473444 Assembly device for a laser head
10/29/2002US6473443 System and method for generating a grating image
10/29/2002US6473223 Raman amplifier
10/29/2002US6472242 Method of fabricating Q-switched microlasers
10/29/2002US6471772 Laser processing apparatus and laser processing method
10/26/2002CA2380045A1 Multiple band raman amplifier pump source
10/24/2002WO2002084830A2 Optical resonators with mirror structure suppressing higher order transverse spatial modes
10/24/2002WO2002084825A1 High-power, high beam quality slab waveguide laser
10/24/2002WO2002084823A1 A thermally efficient laser head
10/24/2002WO2002084822A2 Bandwidth enhanced self-injection locked dfb laser with narrow linewidth
10/24/2002WO2002084821A2 Sources of, and methods for generating, optical pulses
10/24/2002WO2002084820A2 Composite optical amplifier
10/24/2002WO2002084819A2 Multiwavelength raman amplifier pump system
10/24/2002WO2002084573A1 Information card system
10/24/2002WO2002084362A1 High index-contrast fiber waveguides and applications
10/24/2002WO2002084351A1 High index-contrast fiber waveguides and applications
10/24/2002WO2002084345A1 High index-contrast fiber waveguides and applications
10/24/2002WO2002083583A1 High index-contrast fiber waveguides and applications