Matches 1 - 33 out of 33


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US20150155681 Gate-Tunable Graphene-Ferroelectric Hybrid Structure for Photonics and Plasmonics  
The invention relates to a novel type of gate-tunable photonics and plasmonics which utilizes doped large-scale graphene coupled with ferroelectric material. The graphene-ferroelectric hybrid...
US20120286163 EVANESCENT WAVE ABSORPTION BASED DEVICES  
A device (100) is described for actively or passively modulating incident radiation, the device comprising at least one diffraction means (10) adapted for evanescent wave excitation upon...
US20060165135 Method for oscillating variable-pulse width laser and variable-pulse width laser equipment  
A saturable absorber functioning as a Q-switch is disposed on a path of a light in a laser resonator provided with a laser medium, the saturable absorber disposed in the laser resonator is...
US20080101423 SATURABLE ABSORBERS FOR Q-SWITCHING OF MIDDLE INFRARED LASER CAVATIES  
This disclosure demonstrates successfully using single, polycrystalline, hot pressed ceramic, and thin film Fe doped binary chalcogenides (such as ZnSe and ZnS) as saturable absorbing passive...
US20080151946 Monolithic Solid State Laser Apparatus  
There is provided a solid-state laser apparatus, including a solid-state active element (4) having major surfaces and first and second edges (10,12) oppositely disposed to each other, the first...
US20070280324 Laser apparatus for generating high energy pulses of short duration, and process for generating said laser pulse  
The laser apparatus for generating high energy pulses of short duration comprises a pumping laser source and a miniaturized cavity defined by a pair of mirrors in which an active crystal and an...
US20140169390 WAVELENGTH-STABILIZED MICROCRYSTAL LASER  
A microcrystal laser assembly including a gain-crystal includes a frame having a high thermal conductivity. The frame has a base with two spaced apart portions extending from the base. The...
US20060245456 Systems and methods for generating high repetition rate ultra-short optical pulses  
Systems, methods, circuits and/or devices for generating high repetition rate ultra-short pulses are described. As one of many examples, an optical pulse generating laser system is described that...
US20120177070 System for Emitting a Polychromatic Light, Provided with Coupled Sub-Cavities  
A system for emitting a polychromatic light, has a laser cavity device used to optically pump the laser cavity emit radiation according to at least one excitation wavelength and light guiding...
US20140362879 SATURABLE ABSORBERS FOR Q-SWITCHING OF MIDDLE INFRARED LASER CAVATIES  
This disclosure demonstrates successfully using single, polycrystalline, hot pressed ceramic, and thin film Fe doped binary chalcogenides (such as ZnSe and ZnS) as saturable absorbing passive...
US20130051410 HIGH CONTRAST GRATING BASED SATURABLE ABSORBER FOR MODE-LOCKED LASERS AND ITS APPLICATIONS IN PASSIVELY MODE-LOCKED VERTICAL-CAVITY SURFACE-EMITTING LASERS  
A saturable absorber (SA) based on a high-contrast grating (HCG) having a buried layer of quantum structures for absorption, and which is particularly well suited for use in a mode-locked...
US20120327959 COMPACT OPTICAL FREQUENCY COMB SYSTEMS  
Compact optical frequency sources are described. The comb source may include an intra-cavity optical element having a multi-material integrated structure with an electrically controllable active...
US20120314723 Pulsed Laser System with Saturable Absorber  
A high power pulsed laser system is configured with at least two gain blocks and with at least one saturable absorber (SA) coupled to the output and input of the respective gain blocks. The SA is...
US20110188522 REDUCTION OF TIMING JITTER IN A PASSIVE Q-SWITCHED SOLID STATE LASER  
A method and device for reducing the timing jitter in a passive Q-switched Nd:YAG solid state laser by spatially selective bleaching a thin sheet of a saturable absorber of Cr+4:YAG from a...
US20100260211 All-fiber staturable absorber Q-switched laser and method for producing staturable absorber Q-switched pulse  
An all-fiber saturable absorber Q-switched laser and the method for producing saturable absorber Q-switched pulses are provided. By locating a saturable absorber fiber in the intensity-enhanced...
US20110158267 Pulsed laser system with a thulium-doped saturable absorber Q-switch  
A pulsed laser system having a Tm3+-doped saturable absorber Q-switch unit, capable of outputting laser pulses sequentially by inputting a stable continuous-wave pump light source, is disclosed....
US20100278199 Pulsed Laser System With Optimally Configured Saturable Absorber  
A high power pulsed laser system is configured with at least two gain blocks and with at least one saturable absorber (SA) coupled to the output and input of the respective gain blocks. The SA is...
US20150171588 Ring Cavity Laser Device  
Laser devices are presented in which a graphene saturable absorber and an optical amplifier are disposed in a resonant optical cavity with an optical or electrical pump providing energy to the...
US20130121353 INFRARED LASER  
Laser devices are presented in which a graphene saturable absorber and an optical amplifier are disposed in a resonant optical cavity with an optical or electrical pump providing energy to the...
US20130114627 LASER SYSTEM AND METHOD FOR PRODUCING A LINEARLY POLARIZED SINGLE FREQUENCY OUTPUT USING POLARIZED AND NON-POLARIZED PUMP DIODES  
A laser system comprises a pump diode, fiber, relay optics, and a microchip laser crystal. The pump diode produces light at a first wavelength. The fiber receives the light from the pump diode and...
US20110150012 PASSIVELY Q-SWITCHED SIDE PUMPED MONOLITHIC RING LASER  
Disclosed herein are systems and methods for generating a side-pumped passively Q-switched non-planar ring oscillator. The method introduces a laser into a cavity of a crystal, the cavity having a...
US20100215063 PULSE LASER APPARATUS  
The pulse laser light source 1 is provided with an excitation light source 10, lenses 11 through 13, a dichroic mirror 14, an amplifier medium 21, a first reflection portion 22, a laser medium 23,...
US20100142565 LASER LIGHT SOURCE  
The present invention relates to a laser light source having a structure that has high durability to support high power output. The laser light source is an optical device that pulse-oscillates...
US20160294151 SATURABLE ABSORBERS FOR Q-SWITCHING OF MIDDLE INFRARED LASER CAVITIES  
A Q-switched laser includes a laser cavity including a cavity mirror and an output coupler mirror. The Q-switched laser also includes a doped laser gain material disposed in the laser cavity and a...
US20150280392 UNSTABLE LASER CAVITY WITH PASSIVE Q-SWITCH FITTED WITH A SATURABLE ABSORBER WITH ABSORPTION GRADIENT  
The laser cavity is of the unstable type and is provided with a passive Q-switch, the passive Q-switch comprising a saturable absorber that has an absorption gradient, so that the absorption...
US20150117476 PASSIVELY Q-SWITCHED ELEMENT AND PASSIVELY Q-SWITCHED LASER DEVICE  
Provided is a passively Q-switched element or the like, which enables mode selection without increasing the number of components in a resonator in a Q-switched pulse laser or the like that...
US20140010247 PASSIVE Q-SWITCH-TYPE SOLID LASER APPARATUS  
To provide a passive Q-switch-type solid laser apparatus for outputting a high peak-power pulse laser whose pulse energy is large and pulse-time width is small. A passive Q-switch-type solid laser...
US20120307849 LASER APPARATUS AND LASER PROCESSING METHOD  
The present invention relates to a laser apparatus having a structure for removing a skirt portion contained in pulsed light, and a laser processing method using the laser apparatus. The laser...
US20120269214 Passively Q-switched Microlaser  
A passively Q-switched laser comprises a pump laser diode, a micro laser resonant cavity including a lasing medium and a saturable absorber, a filter and a photodiode. The lasing medium and...
US20120243563 COMPACT MULTI-WAVELENGTH AND MULTI-BEAM LASER  
A compact solid state laser that generates multiple wavelengths and multiple beams that are parallel, i.e., bore-sighted relative to each other, is disclosed. Each of the multiple laser beams can...
US20120026504 LIGHT SOURCE APPARATUS AND IMAGE PICKUP APPARATUS EQUIPPED WITH SAME  
A light source apparatus includes an optical resonator formed by an optical amplification medium and an optical switch. The optical switch includes a saturable absorber and changes its...
US20110243158 MICROCRYSTAL LASER FOR GENERATING LASER PULSES  
A microcrystal laser for generating laser pulses has a laser resonator which has a laser medium arranged between two mirrors; and an arrangement for stabilizing the optical path length is...
US20100309936 PULSED MICROCHIP LASER  
The invention relates to a passively triggered microchip laser (1) formed by a cavity closed by an input mirror (4) and an output mirror (5), characterised in that the cavity includes deflection...

Matches 1 - 33 out of 33