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| Application No. | Application Title | Issue Date |
| 20110286474 | FIBER LASER DEVICE Provided is a fiber laser device capable of preventing laser light from damaging a laser oscillator even if the laser light is reflected by an object to be irradiated or at an output end. The fiber laser device includes: a laser oscillator ... | 11/24/2011 |
| 20110280262 | MODULAR, HIGH ENERGY, WIDELY-TUNABLE ULTRAFAST FIBER SOURCE A modular, compact and widely tunable laser system for the efficient generation of high peak and high average power ultrashort pulses. Modularity is ensured by the implementation of interchangeable amplifier components. System compactness is ensured by employing efficie... | 11/17/2011 |
| 20110268140 | MULTIPLE WAVELENGTH RAMAN LASER A pulsed laser system may include a Raman fiber that is configured to act as multiple wavelength Raman laser. The fiber is configured to receive a pulsed input beam from an input source and convert the input beam to an output beam having narrow band outputs at first and... | 11/03/2011 |
| 20110249689 | DEVICES, SYSTEMS, AND METHODS PROVIDING MICRO-RING AND/OR MICRO-RACETRACK RESONATOR Provided herein are certain embodiments of systems, methods and devices for Raman lasers based on micro-ring and mircro-racetrack resonators, and the manufacturing thereof. For example, a device can be provided which is structured to receive an electro-magnetic radiatio... | 10/13/2011 |
| 20110176563 | CVD SINGLE CRYSTAL DIAMOND MATERIAL Single crystal diamond material produced using chemical vapour deposition (CVD), and particularly diamond material having properties suitable for use in optical applications such as lasers, is disclosed. In particular, a CVD single crystal diamond material having prefer... | 07/21/2011 |
| 20110170563 | APPARATUS AND METHOD FOR ENABLING QUANTUM-DEFECT-LIMITED CONVERSION EFFICIENCY IN CLADDING-PUMPED RAMAN FIBER LASERS Cladding-pumped Raman fiber lasers and amplifiers provide high-efficiency conversion efficiency at high brightness enhancement. Differential loss is applied to both single-pass configurations appropriate for pulsed amplification and laser oscillator configurations appli... | 07/14/2011 |
| 20100329287 | METHOD AND DEVICE FOR STABILIZING THE SPECTRUM OF A PULSED COHERENT OPTICAL SOURCE The invention relates to a method for stabilizing the spectrum of a pulsed coherent optical source that comprises controlling the offset frequency ω0 and the repetition rate ωr in order to stabilize the frequencies of the comb lines constituting ... | 12/30/2010 |
| 20100265971 | CASCADE RAMAN LASER The invention provides a cascade Raman laser including a pumping laser light source that generates pumping light, a cascade Raman resonator having an input-side optical reflector that receives the pumping light and selectively reflects light of each wavelength correspon... | 10/21/2010 |
| 20100103957 | FRACTIONAL RAMAN ORDER PUMPING IN OPTICAL COMMUNICATION SYSTEMS An optical communication system includes a gain medium that receives optical signal(s) of one or more optical signal wavelengths. The system also includes pump source(s) that are capable of generating at least a first pump signal and a second pump signal. The first pump... | 04/29/2010 |
| 20100098112 | Method and apparatus for preventing distortion of powerful fiber-laser systems by backreflected signals A powerful fiber laser system is configured with at least one filtering element capable of preventing a backreflected Raman component of the main signal from propagating along the upstream stretch of the system. The filtering element includes a slanted fiber grating, on... | 04/22/2010 |
| 20100054284 | CONTINUOUS-WAVE LASER A continuous wave Raman laser for producing visible laser output comprising: a resonator cavity; at least a first reflector and a second reflector said first and second reflectors being located at opposite ends of the resonator cavity; a laser gain medium located in the... | 03/04/2010 |
| 20090323732 | Optical Wave Generator An optical wave generator comprising a first-level Raman sideband generator (RSBG). The first-level RSBG comprises a first hollow-core photonic crystal fibre HCPCF (203) arranged to be filled with a Raman active gas and a first two-pump continuous wave (CW) laser... | 12/31/2009 |
| 20090296743 | Mid-Infrared Fiber Laser Using Cascaded Raman Wavelength Shifting A mid-infrared system for optical probing is disclosed that comprises a mid-infrared fiber laser based on cascaded Raman wavelength shifting, a sample volume, and a detector or detection system. The cascaded Raman wavelength shifting process in optical fibers involves t... | 12/03/2009 |
| 20090274175 | FIBER LASER This fiber laser is provided with: a signal light source that outputs a signal light; a rare earth-doped fiber that amplifies and outputs the signal light from the signal light source; a Raman amplifying fiber that is routed as a portion of an optical transmission path ... | 11/05/2009 |
| 20090092156 | DEVICES AND METHODS FOR PROVIDING STIMULATED RAMAN LASING Devices and methods for providing stimulated Raman lasing are provided. In some embodiments, devices include a photonic crystal that includes a layer of silicon having a lattice of holes and a linear defect that forms a waveguide configured to receive pump light and out... | 04/09/2009 |
| 20090034561 | BACKWARD STIMULATED RAYLEIGH-BRAGG SCATTERING DEVICES BASED ON MULTI-PHOTON ABSORBING MATERIALS AND THEIR APPLICATIONS The present invention relates to a method and system of generating backward stimulated Rayleigh-Bragg scattering by focusing activating radiation through a multi-photon absorbing dye solution, thereby producing coherent output radiation with no measured frequency shift ... | 02/05/2009 |
| 20090010285 | Articulated robot for laser ultrasonic inspection An ultrasonic non-destructive evaluation (NDE) system operable to inspect target materials is provided. This ultrasonic NDE system includes an articulated robot, an ultrasound inspection head, a processing module, and a control module. The ultrasound inspection head cou... | 01/08/2009 |
| 20080259969 | Slectable Multiwavelength Laser for Outputting Visible Light The invention provides a laser system (100) wherein the output may be selected from two or more different wavelengths of output laser light. The system (100) comprises a laser capable of having at least two different wavelengths of laser light resonating i... | 10/23/2008 |
| 20080205456 | Laser uses for single-crystal CVD Diamond The present invention is directed to new laser-related uses for single-crystal diamonds produced by chemical vapor deposition. One such use is as a heat sink for a laser; another such use is as a frequency converter. The invention is also directed to a χ(3) ... | 08/28/2008 |
| 20080170218 | Ultra-Fast Laser System A laser system is provided which selectively excites Raman active vibrations in molecules. In another aspect of the present invention, the system includes a laser, pulse shaper and detection device. A further aspect of the present invention employs a femtosecond laser a... | 07/17/2008 |
| 20080037595 | SYSTEM AND METHOD FOR PROVIDING A TUNABLE OPTICAL PARAMETRIC OSCILLATOR LASER SYSTEM THAT PROVIDES DUAL FREQUENCY OUTPUT FOR NON-LINEAR VIBRATIONAL SPECTROSCOPY AND MICROSCOPY A system is disclosed for providing a first electromagnetic field and a second electromagnetic field to vibrational analysis equipment that is responsive to a difference between first and second frequencies of the first and second electromagnetic fields respectively. Th... | 02/14/2008 |
| 20070297462 | CASCADED CAVITY SILICON RAMAN LASER WITH ELECTRICAL MODULATION, SWITCHING, AND ACTIVE MODE LOCKING CAPABILITY A silicon Raman laser that can be electrically switched or modulated and which demonstrates active mode-locking capabilities. The laser can be used with a more traditional glass fiber cavity, or can be fabricated on a single chip with a cavity, or a cascaded cavity, in ... | 12/27/2007 |
| 20070268569 | OPTICAL AMPLIFIER, OPTICAL AMPLIFICATION REPEATER AND PUMP LIGHT SUPPLY CONTROL METHOD There is provided an optical amplifier including a Raman amplification medium, a rare earth doped fiber located at a latter stage of the Raman amplification medium, a first pump light outputting unit for outputting pump light with a plurality of wavelengths, a variable ... | 11/22/2007 |
| 20070258492 | Light-emitting resonant structure driving raman laser In a laser system, a set of substantially coherent electromagnetic radiation is applied as an input to a Raman laser. The Raman laser may be fabricated on the same integrated circuit as the source of the substantially coherent electromagnetic radiation or may be fabrica... | 11/08/2007 |
| 20070211771 | Surface phonon-polariton raman laser An optical device includes an input optical source that provides and optical signal to the optical device. A surface phonon polariton (SPP) nanostructure receives the optical signal that interacts with the SPP nanostructure to excite a Raman process and produce a Raman ... | 09/13/2007 |
| 20070172189 | Semiconductor Raman variable optical attenuator/amplifier and equalizer A semiconductor-based optical amplifier/attenuator is disclosed. An apparatus according to aspects of the present invention includes an optical waveguide disposed in semiconductor material. A first optical beam having a first wavelength is to be directed through the opt... | 07/26/2007 |
| 20070127529 | Doped fiber scene projection system and method This invention pertains to a scene projection system and a method for projecting a scene that can simulate light temperature of above 2000 K. The system comprises of a light source part for generating light at a lower wavelength; a means part for individually controllin... | 06/07/2007 |
| 20070053393 | Apparatus and method for self-phase control with stimulated brillouin scattering phase conjugate mirror Disclosed are an apparatus and a method for controlling phases of beams to make relative phases of the beams “O” in a beam splitting amplification laser using a stimulated Brillouin scattering phase conjugate mirror. A procedure of making a phase difference between ... | 03/08/2007 |
| 20070025401 | Medical laser apparatus A medical laser apparatus for performing treatment by irradiating an affected part with a laser beam comprises: a fiber laser source with variable output power, which emits an infrared fundamental laser beam; a wavelength converting element which wavelength-converts the... | 02/01/2007 |
| 20070019688 | Infra-red multi-wavelength laser source The present invention relates in particular to the field of lasers and in particular to a laser source having a neodymium-doped crystal (2;23) or fiber and pumpable by pumping means (3; 25) and a non-linear Raman effect converter stimulated in methane (... | 01/25/2007 |
| 20070002904 | System and method for fractional Raman order pumping in optical communication systems An optical communication system includes a gain medium that is capable of receiving at least one optical signal that includes one or more optical signal wavelengths. The system also includes one or more pump sources that are capable of generating at least one pump signa... | 01/04/2007 |
| 20060198397 | Pulsed cascaded raman laser A pulsed cascaded Raman laser (10) includes a pulsed light source (102) for generating a pulsed light (104) having an optical spectrum centered at a source wavelength. A non-linear Raman conversion fiber (106) is coupled to the pulsed light s... | 09/07/2006 |
| 20060159131 | Digital signal regeneration, reshaping and wavelength conversion using an optical bistable silicon Raman laser An optical bistable silicon Raman laser is disclosed, which provides digital signal regeneration, reshaping and wavelength conversion. An apparatus according to aspects of the present invention includes an optical waveguide disposed in semiconductor material. First and ... | 07/20/2006 |
| 20060056463 | Integrated radiation sources and amplifying structures, and methods of using the same Integrated radiation source/amplifying structures for use in surface enhanced Raman spectroscopy (SERS) and hyper-SERS are disclosed. The structures include a radiation source integrated with a SERS-active structure that is provided within a resonant cavity. SERS and hy... | 03/16/2006 |
| 20060050744 | Enhanced raman amplification and lasing in silicon-based photonic crystals Tunable laser devices and methods of manufacturing such devices are disclosed. air-holes with defects that form an optical waveguide. The waveguide has a cross-sectional area whose dimensions are in sub-wavelength ranges, wherein the cross-sectional area is perpendicula... | 03/09/2006 |
| 20060002432 | FIBER-COUPLED MICROSPHERE RAMAN LASER The present invention is a Raman laser and methods related thereto. In the preferred embodiments, the Raman laser comprises a laser pump signal in a fiber waveguide which is optically coupled to a micro-resonator through a fiber taper. The micro-resonator is constructed... | 01/05/2006 |
| 20050249248 | Backward stimulated rayleigh-bragg scattering devices based on multi-photon absorbing materials and their applications The present invention relates to a method and system of generating backward stimulated Rayleigh-Bragg scattering by focusing activating radiation through a multi-photon absorbing dye solution, thereby producing coherent output radiation with no measured frequency shift ... | 11/10/2005 |
| 20050163169 | Solid state diamond Raman laser A solid state Raman laser includes a laser pump for producing a first radiation at a high power and at a first wavelength along an optical path, a solid Raman active medium in the optical path of the first radiation, the medium including single crystal diamond having a ... | 07/28/2005 |
| 20050152412 | Raman laser with improved output power and lower sensitivity to the output coupler reflectivity It is proposed to use a Raman laser with a new optical resonant cavity for the Roman radiation λRR. Such resonant cavity is made out of an unpaired reflector rRR with a reflecting wavelength corresponding to said Raman radiation λRR. T... | 07/14/2005 |
| 20050123007 | Multimode Raman fiber device with mode discrimination A multimode optical fiber has a core that includes radially dependent dopant materials to provide a desired refractive index profile and a desired Raman gain coefficient profile. A laser diode pump laser array provides high brightness light that is launched into the fib... | 06/09/2005 |
