Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120039348 | SYSTEMS AND METHODS FOR STABILIZING LASER FREQUENCY BASED ON AN ISOCLINIC POINT IN THE ABSORPTION SPECTRUM OF A GAS Systems and methods for stabilizing laser frequency based on an isoclinic point of an atomic or molecular medium are provided herein. A system may include: a transmission cell containing a gas and configured to transmit light from the laser, the gas having an absorption... | 02/16/2012 |
| 20120027035 | HIGH-POWER, PHASE-LOCKED, LASER ARRAYS High-power, phased-locked, laser arrays as disclosed herein utilize a system of optical elements that may be external to the laser oscillator array. Such an external optical system may achieve mutually coherent operation of all the emitters in a laser array, and coheren... | 02/02/2012 |
| 20120008652 | OPTICAL FREQUENCY STABILIZATION SYSTEM AND METHOD One embodiment of the invention includes an optical system. The optical system includes an optical cavity comprising a plurality of reflectors. The optical system also includes optics configured to provide a first optical signal and a second optical signal into respecti... | 01/12/2012 |
| 20120008653 | Laser System with Dynamically Stabilized Transient Wavelength and Method of Operating Same A method and laser system for dynamically adjusting a transient wavelength of light pulses emitted by a laser includes sequential processing of transient photocurrent curves which are generated after interaction between each light pulse and wavelength-selective medium w... | 01/12/2012 |
| 20110292951 | FIBER LIGHT SOURCE WITH HIGH MEAN WAVELENGTH STABILITY AND RELIABILITY A broadband light source configured to emit a stable broadband optical beam is provided. The broadband light source includes at least one optical pump source, an optical system including a polarization beam combiner, and a solid state laser medium. The optical system is... | 12/01/2011 |
| 20110194577 | Systems And Methods For Stabilizing Laser Frequency Based On An Isoclinic Point In The Absorption Spectrum Of A Gas Systems and methods for stabilizing laser frequency based on an isoclinic point of an atomic or molecular medium are provided herein. A system may include: a transmission cell containing a gas and configured to transmit light from the laser, the gas having an absorption... | 08/11/2011 |
| 20110164633 | WAVELENGTH-CONTROLLED SEMICONDUCTOR LASER DEVICE A semiconductor laser device comprising a laser diode with an integrated photodiode, wherein one of the components of the laser diode with the integrated photodiode is also used for heating the laser diode. A simpler design of a wavelength-controlled semiconductor laser... | 07/07/2011 |
| 20110122904 | Methods And Systems For Frequency Stabilisation Of Multiple Lasers A system and method for stabilising a plurality of output frequencies (wavelengths) of a plurality of lasers (106). The laser beams are combined using optical multiplexer (110) and coupled into length-imbalanced (armlength-mismatched) Mach-Zehnder interfer... | 05/26/2011 |
| 20110116522 | ADVANCED LASER WAVELENGTH CONTROL Laser light wavelength control is provided by periodically predicting a next position of a light controlling prism using a model of the prism's motion characteristics. The prediction is then updated if a measurement of laser output wavelength is obtained. However, becau... | 05/19/2011 |
| 20110075692 | ATOMIC FREQUENCY ACQUISITION DEVICE BASED ON SELF-MIXING INTERFERENCE The present invention relates to an atomic frequency acquisition device comprising a gas cell (400) filled with an atomic gas, a laser light source (100) emitting a laser beam which enters the gas cell (40) and excites a first energy transition of t... | 03/31/2011 |
| 20110051757 | CONNECTION UNIT AND LASER OSCILLATING APPARATUS HAVING THE SAME A laser oscillation device includes an oscillation unit oscillating a laser, a shutter unit covering the laser, and a connection unit covering the laser, connecting the oscillation unit and the shutter unit and including a first connection part supported by the oscillat... | 03/03/2011 |
| 20110032961 | MONOLITHIC FOLDED F-P CAVITY AND SEMICONDUCTOR LASER USING THE SAME This invention relates to a monolithic folded F-P cavity used for semiconductor laser, which is composed of a monolithic optical element. The monolithic optical element is made of the material having low propagation loss for a certain spectrum range. Light entering thro... | 02/10/2011 |
| 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 |
| 20100316378 | Laser Source Based On Fabry-Perot Laser Diodes And Seeding Method Using The Same Disclosed is directed to a laser source based on Fabry-Perot laser diodes (FP-LDs) and seeding method using the same. The laser source comprises a plurality of FP-LDs, an optical filter, and at least a fiber mirror. The FP-LDs are aligned to their corresponding filter m... | 12/16/2010 |
| 20100303111 | PAIR OF OPTICALLY LOCKED SEMICONDUCTOR NARROW LINEWIDTH EXTERNAL CAVITY LASERS WITH FREQUENCY OFFSET TUNING An optical phase lock loop (OPLL) system is disclosed that includes a master external cavity laser (ECL), and a substantially identical slave ECL. The master and slave ECLs are fabricated using a planar semiconductor device with waveguide-integrated planar Bragg grating... | 12/02/2010 |
| 20100284431 | OPTICAL PULSE TRAIN GENERATOR An optical pulse train generator 10 includes beat light generation means 11 for generating a beat light 21 having a predetermined repeated frequency, a highly nonlinear fiber 12 for generating a pulse train 22 formed by adding a side m... | 11/11/2010 |
| 20100254416 | TUNABLE LASER SOURCE AND LINEWIDTH NARROWING METHOD A tunable laser source includes a resonator filter which includes a multiple optical resonator having a plurality of optical resonators different in optical path length, an optical amplifier which amplifies output light from the resonator filter, a temperature control e... | 10/07/2010 |
| 20100220952 | MONITORING OF A LASER SOURCE WITH FRONT AND REAR OUTPUT PHOTODETECTORS TO DETERMINE FRONTAL LASER POWER AND POWER CHANGES OVER LASER LIFETIME A power monitoring and correction to a desired power level of a laser or group of lasers utilizes two photodetectors which are employed to accurately determine the amount of output power from the front end or “customer” end of a laser or a plurality of such lasers. ... | 09/02/2010 |
| 20100177795 | APPARATUS AND METHOD FOR STABILIZING FREQUENCY OF LASER A frequency-stabilized laser apparatus and a method for stabilizing the frequency of a laser are disclosed. A semiconductor laser emits a beam. An external reflector has a resonance frequency and feeds back the emitted beam to the semiconductor laser if the frequency of... | 07/15/2010 |
| 20100135342 | System and Method for Tuning Adjusting the Central Frequency of a Laser While Maintaining Frequency Stabilization to an External Reference A method and system for stabilizing a laser to a frequency reference with an adjustable offset. The method locks a sideband signal generated by passing an incoming laser beam through the phase modulator to a frequency reference, and adjusts a carrier frequency relative ... | 06/03/2010 |
| 20100111122 | HIGH OUTPUT, MID INFRARED LASER SOURCE ASSEMBLY A laser source assembly (10) for providing an assembly output beam (12) includes a first MIR laser source (352A), a second MIR laser source (352B), and a beam combiner (244). The first MIR laser source (352A) emits a first MIR b... | 05/06/2010 |
| 20100103403 | WAVELENGTH SHIFT MEASURING APPARATUS, OPTICAL SOURCE APPARATUS, INTERFERENCE MEASURING APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD A wavelength shift measuring apparatus of the present invention is a wavelength shift detection sensor (WLCD1) which measures a shift of a wavelength of a light beam emitted from a light source, and includes a beam splitter (BS2) splitting the light beam e... | 04/29/2010 |
| 20100103428 | SIGNAL LIGHT GENERATING APPARATUS USING OPTICAL FIBER AND ROTATION SENSING APPARATUS A light signal generating apparatus including an erbium-doped optical fiber is provided. The signal light generating apparatus includes a optical fiber which is a gain medium, a light source to emit pump light, a stabilizing unit to compensate for changes of a mean wave... | 04/29/2010 |
| 20100008388 | INTERNAL RESONATOR TYPE SHG LIGHT SOURCE An internal resonator type SHG light source includes a pump light source which emits a pump light; a solid-state laser which absorbs the pump light and which emits a fundamental wave; an output mirror provided so as to face the solid-state laser, which forms a resonator... | 01/14/2010 |
| 20090316739 | OPTICAL WAVELENGTH CONTROL CIRCUIT AND METHOD In an optical wavelength control circuit, an activation control circuit outputs an optical output setting signal to a laser unit to set its optical output, and simultaneously outputs a temperature setting signal and a wavelength setting signal. A temperature error detec... | 12/24/2009 |
| 20090310635 | WAVELENGTH LOCKER AND LASER PACKAGE INCLUDING SAME A wavelength locker may include a first optical detector configured to detect light, wherein the first optical detector is at least partially transparent to the light. The wavelength locker may further include an optical interferometer optically coupled to the first opt... | 12/17/2009 |
| 20090296760 | Optical Pumping Apparatus and Method to Reduce AC Stark Shift in Atomic Frequency Standards An optical pumping atomic frequency apparatus for producing an oscillation signal with a stable frequency comprises a cell containing atomic particles of a quantum absorber material whose atomic particles have two clock transition states and first and second excited sta... | 12/03/2009 |
| 20090284828 | Optical Comb Frequency Source This invention relates to methods and apparatus for generating an optical frequency comb. In embodiments a passive mode locked optical waveguide comb uses electrical or optical tuning for the mode spacing frequency (df) and the carrier envelope offset frequency (fc... | 11/19/2009 |
| 20090279828 | WAVELENGTH LOCKING AND POWER CONTROL SYSTEMS FOR MULTI-CHANNEL PHOTONIC INTEGRATED CIRCUITS (PICs) A transmissive active channel element is provided in each signal channel of a monolithic multi-channel TxPIC where each channel also includes a modulated source. The active channel element functions both as a power control element for both monitoring and regulating the ... | 11/12/2009 |
| 20090245306 | High Performance Tunable Lasers Utilizing Optical Phase-Locked Loops This invention relates to opto-electronic systems using semiconductor lasers driven by optical phase-locked loops that control the laser's optical phase and frequency. Feedback control provides a means for precise control of optical frequency and phase, including the ab... | 10/01/2009 |
| 20090232172 | LASER FREQUENCY STABILIZING DEVICE, METHOD AND PROGRAM A laser frequency stabilizing device comprises a laser light producer operative to produce and emit a laser light containing a first and a second longitudinal mode light having different wavelengths; a spectrometer operative to spectrally decompose the laser light into ... | 09/17/2009 |
| 20090180501 | LASER TUNING A method of controlling a laser is provided for generating an optical output. The method includes the step of making a change to an electrical input to the laser so as to move the optical output of the laser towards a target frequency, and also includes the step of chan... | 07/16/2009 |
| 20090180502 | Injection Locking Type Light Source Which of The Noise Can be Minimized An injection seed of an injection locking type light source includes a broadband light source, a seed circulator receiving and transmitting a light from the light source to a seed optical filter passing only a desired wavelength band among the light beams from the light... | 07/16/2009 |
| 20090154506 | Tunable laser module The objective of the present invention is to provide with is to provide with a tunable laser module capable of adequately detecting the decay of the large variation in the wavelength of the light and then operating the shutter. The tunable laser module 1 comprise... | 06/18/2009 |
| 20090116520 | FREQUENCY-STABILIZED LASER DEVICE, LASER FREQUENCY STABILIZING METHOD, AND LASER FREQUENCY STABILIZING PROGRAM A frequency-stabilized laser device comprises an actuator arranged to vary the cavity length; an actuator driver arranged to apply a voltage to the actuator for changing displacement; a temperature detector arranged to detect the temperature on the cavity; a temperature... | 05/07/2009 |
| 20090041066 | Fast continuously wavelength tuning single frequency fiber laser using tunable polymer optical filters A method for generating a laser projection by employing a laser gain medium for receiving an optical input projection from a laser pump. The method further includes a step of employing a mode selection filter comprising an electro-optical (EO) tunable layer disposed bet... | 02/12/2009 |
| 20090028197 | FIXED WAVELENGTH MID INFRARED LASER SOURCE WITH AN EXTERNAL CAVITY A MIR laser source that produces a fixed frequency output beam that is within the MIR range includes a QC gain media, and a wavelength dependent (“WD') feedback assembly that is spaced apart from the QC gain media and that cooperates with the QC gain media to form an ... | 01/29/2009 |
| 20080317076 | CONTROLLING OUTPUT WAVELENGTH OF A LIGHT SOURCE A light source module including: an LD element outputting a laser light; a lens receiving the laser light and outputting a focused light; an optical filter having transmission wavelength characteristics, inputting the focused light, and outputting a transmitted light an... | 12/25/2008 |
| 20080285606 | METHOD AND APPARATUS FOR OPTICAL FREQUENCY COMB GENERATION USING A MONOLITHIC MICRO-RESONATOR An optical frequency comb generator includes a laser device arranged for generating input laser light having a predetermined input light frequency, a dielectric micro-resonator having a cavity exhibiting a third order nonlinearity, so that the micro-resonator is capable... | 11/20/2008 |
| 20080225911 | WAVELENGTH DETECTOR, WAVELENGTH STABILIZATION LASER DEVICE, AND IMAGE DISPLAY DEVICE A wavelength detector capable of distinguishing between the changes of a transverse mode and of a longitudinal mode of a laser light and thus detecting the change of the wavelength of the laser light with high accuracy is provided. In a wavelength detector 13: a ... | 09/18/2008 |
