Patents
Sitemap › H01 - Basic electric elements › H01S - Devices using stimulated emission › 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
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)
11/1998
11/24/1998US5840118 Preparing semiconductor film on substrate, directing pulsed laser beam toward substrate to selectively heat portions of film
11/24/1998CA2053022C Reflective optical modulator
11/19/1998WO1998052305A1 Redundant optical power supply for remote pumping of fiber optic gain modules
11/19/1998WO1998052261A1 Band narrowing laser
11/19/1998WO1998052260A1 Intra-cavity and inter-cavity harmonics generation in high power lasers
11/19/1998WO1998052259A1 Compact excimer laser insulator with integral pre-ionizer
11/19/1998WO1998052258A1 Improved laser cutting methods
11/19/1998WO1998052257A1 Improved laser cutting apparatus
11/19/1998WO1998052256A1 External cavity laser pivot design
11/19/1998WO1998052254A2 Crystal isolation housing
11/19/1998WO1998051245A1 Short pulse mid-infrared laser source for surgery
11/19/1998WO1998037601A3 Aerodynamic chamber design for high pulse repetition rate excimer lasers
11/19/1998WO1998036300A3 Polarisation asymmetric active optical waveguide, method of its production, and its uses
11/19/1998DE19821993A1 Self-adjusting gas discharge supply device
11/19/1998CA2288139A1 Short pulse mid-infrared laser source for surgery
11/18/1998EP0878884A2 Doped solid state device and its influence on transmitted radiation
11/18/1998EP0878883A1 Article comprising an organic laser
11/18/1998EP0878881A1 Optical device
11/18/1998EP0878880A1 Method and apparatusfor space based operation of optical waveguide amplifiers
11/17/1998USRE35962 Single longitudinal mode pumped optical waveguide laser arrangement
11/17/1998US5838868 Semiconductor fiber light amplifier
11/17/1998US5838867 Dispersion compensating fiber and optical transmission system including the same
11/17/1998US5838844 Integrated optical circuit comprising a polarization convertor
11/17/1998US5838713 Continuously tunable blue microchip laser
11/17/1998US5838712 Diode-pumped high performance solid state laser
11/17/1998US5838710 Optical amplification device
11/17/1998US5838709 Ultraviolet laser source
11/17/1998US5838703 Semiconductor laser package with power monitoring system and optical element
11/17/1998US5838702 Method of electrically controlling regions of ferroelectric polarization domains in solid state bodies
11/17/1998US5838701 Q-switched solid-state laser
11/17/1998US5838700 Raman fibre laser, bragg fibre-optical grating and method for changing the refraction index in germanium silicate glass
11/17/1998US5838488 Optical amplifier gain control circuitry using a variable reference corresponding to the number of multiplexed wavelengths
11/17/1998US5838487 Optical amplifiers
11/17/1998US5838476 Input monitoring system for optical amplifying repeater
11/17/1998US5838440 For an optical device
11/17/1998US5838115 Gas discharge device
11/17/1998US5837206 Integral manifold for a singlet delta oxygen generator
11/13/1998CA2237504A1 Improvement in the reliability of an optical communication system and of an optical amplifying system, and a method suitable to this aim
11/12/1998WO1998050989A2 Organic lasers
11/12/1998WO1998050987A1 Laser emitter unit, specially for data transfer in wavelength multiplexing
11/12/1998WO1998050986A1 Optical resonators with discontinuous phase elements
11/12/1998DE19815306A1 Laser resonator for laser raster microscope
11/12/1998DE19718997A1 Laser-Sendeeinheit, insbesondere für die Nachrichtenübertragung im Wellenlängemultiplex Laser-transmission unit, in particular for the message transmission in the wavelength division multiplexing
11/12/1998CA2287994A1 Optical resonators with discontinuous phase elements
11/11/1998EP0877477A2 Optical transmitter having pre-modulation amplification
11/11/1998EP0877453A1 Laser oscillator
11/11/1998CN1198607A Radio frequency stimulated quick axial-flow carbon monoxide laser
11/10/1998US5835522 Robust passively-locked optical cavity system
11/10/1998US5835521 Long wavelength light emitting vertical cavity surface emitting laser and method of fabrication
11/10/1998US5835520 Having high reflectance output coupler, calcium fluoride prisms, low fluorine gas partial pressure; high resolution integrated circuit lithography
11/10/1998US5835513 Q-switched laser system providing UV light
11/10/1998US5835512 Wavelength selecting method in wavelength tunable laser and wavelength selectable laser oscillator in wavelength tunable laser
11/10/1998US5835385 Installation for driving and positioning a film, in particular in the course of etching by a laser beam
11/10/1998US5835260 Optical amplifier, optical amplifying method and optical transmission system using the optical amplifier
11/10/1998US5835259 Optical fiber amplifier
11/10/1998US5834760 Method of adjusting depth-of-field in laser scanners by dynamically adjusting laser power
11/10/1998US5833818 Laser waveguide
11/10/1998CA2117045C Dual use power supply configuration for the double pulsed flashlamp pumped dye laser
11/05/1998DE19818271A1 Solid-state laser manufacturing method
11/04/1998EP0875969A1 Optical fiber amplifier and its driving method
11/04/1998EP0875967A2 Laser amplifier
11/04/1998EP0875778A1 Image-focusing optical system for ultraviolet laser
11/04/1998EP0875743A1 A wavemeter and an arrangement for the adjustment of the wavelength of an optical source
11/04/1998EP0875105A1 Self-stimulation signal detection in an optical transmission system
11/04/1998EP0875083A2 Optical amplifiers providing high peak powers with high energy levels
11/04/1998EP0875011A1 Optical circuit on printed circuit board
11/04/1998EP0874666A1 Hair removal by selective photothermolysis with an alexandrite laser
11/04/1998CN1198029A Semiconductor laser light source and solid-state laser apparatus
11/03/1998USRE35946 Core has inner region which contains the additive and an outer region which is dopant free; dopant concentration reduces pump threshold for a laser and improves the gain performance for a given pump power
11/03/1998US5832163 Single mode optical waveguide with expanded rare-earth doped region
11/03/1998US5832020 Solid-state laser forming highly-repetitive, high-energy and high-power laser beam
11/03/1998US5832016 Heat sink for slab lasers
11/03/1998US5832015 Laser-diode-pumped solid-state laser
11/03/1998US5832013 Intracavity modulated pulsed laser and methods of using the same
11/03/1998US5832011 Laser
11/03/1998US5832010 Switched monolithic microlaser and intracavity nonlinear material
11/03/1998US5832008 Eyesafe laser system using transition metal-doped group II-VI semiconductor as a passive saturable absorber Q-switch
11/03/1998US5832007 Apparatus for and method of generating X-ray laser
11/03/1998US5832006 Phased array Raman laser amplifier and operating method therefor
11/03/1998US5831754 Optical amplifier
11/03/1998CA2110191C Optical amplification system
10/1998
10/29/1998WO1998048494A1 VERY NARROW BAND KrF LASER
10/29/1998WO1998048493A1 Eyesafe laser transmitter
10/29/1998WO1998048491A2 Multi-element, single mode microchip lasers
10/29/1998WO1998048303A1 Method of manufacture of an optical grating in an optical fibre
10/29/1998WO1998036294A3 Pump wavelength tuning of optical amplifiers
10/29/1998WO1998035203A3 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser
10/29/1998DE19813607A1 Glaszusammensetzung mit einem Phonenspektrum niedriger Energie, Verfahren zu deren Herstellung sowie deren Verwendung Glass composition with a lower energy spectrum Phone, processes for their preparation and their use
10/29/1998DE19718933A1 Focussing optics system for laser diode multi path mode system
10/29/1998DE19718928A1 Mode locked multi path laser system
10/29/1998DE19717262A1 Optical isolation method of laser oscillator from double pass laser amplifier
10/28/1998EP0874480A2 Photo signal amplification transmission system
10/28/1998EP0874427A1 Lasers, optical amplifiers, and amplification methods
10/28/1998EP0874426A2 Laser apparatus and method for emission of laser beam using same
10/28/1998EP0873812A1 Laser beam machining device and laser
10/28/1998EP0873540A1 Device for cascading optical amplifiers
10/28/1998EP0873529A1 Ring interferometer configuration for writing gratings
10/27/1998US5828801 Light signal switching device and optical communication system
10/27/1998US5828690 Unitary body laser head
10/27/1998US5828689 Controller for controlling a wavelength response
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