Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Application No. | Application Title | Issue Date |
| 20120128015 | Optical Pumping of Solid-State Laser Material Using Addressable Laser Array An array of Surface Emitting Laser (SEL) elements can be used to efficiently pump a disk or rod of solid-state laser glass or crystal, or harmonic-generating crystal. Placing the laser array chip against or near the surface of this solid-state material provides very hig... | 05/24/2012 |
| 20120128014 | INTRA-CAVITY FREQUENCY DOUBLED MICROCHIP LASER OPERATING IN TEM00 TRANSVERSE MODE A method for making a microchip laser includes preparing a laser-cavity chip assembly comprising a gain media, a first substantially flat surface, and a second substantially flat surface parallel to the first substantially flat surface. The method also includes forming ... | 05/24/2012 |
| 20120106580 | Optical systems for laser arrays Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material in such a way that the focusing properties of the light beams are matched... | 05/03/2012 |
| 20120051375 | INTRA-CAVITY SECOND HARMONIC GENERATION (SHG) LASER DEVICE A laser device for intra-cavity frequency conversion, in particular, for the second harmonic generation, the device comprising a laser cavity, formed by the first and the second laser cavity end reflectors wherein the said laser cavity end reflectors are highly reflecti... | 03/01/2012 |
| 20120012759 | WAVELENGTH CONVERSION LASER LIGHT SOURCE, LASER LIGHT SOURCE DEVICE AND TWO-DIMENSIONAL IMAGE DISPLAY DEVICE ADOPTING THE SAME, AND METHOD OF SETTING TEMPERATURE OF WAVELENGTH CONVERSION ELEMENT A wavelength conversion laser light source includes: an element temperature switching section that switches a temperature of the wavelength conversion element according to a harmonic wave output value as set in an output setting device, and the element temperature switc... | 01/19/2012 |
| 20110286477 | Multiple Wavelength Optical Systems Optical systems operable to emit multiple frequency-converted spectral peaks are provided. In one embodiment, an optical system includes an optical source and a wavelength conversion device. The optical source may include a laser configured to emit a pump beam having at... | 11/24/2011 |
| 20110243163 | WEDGE-FACETED NONLINEAR CRYSTAL FOR HARMONIC GENERATION Lasers and laser systems generate different wavelengths by nonlinear sum or difference frequency conversion. A wedge-faceted nonlinear crystal compensates for the spatial walk-off phenomenon associated with critical phase matching of a nonlinear crystal in the productio... | 10/06/2011 |
| 20110222565 | DEVICE FOR EXTENDING THE SERVICE LIFE OF A NON-LINEAR OPTICAL SYSTEM SUBJECTED TO THE RADIATION OF AN INTENSE LASER BEAM AND NON-LINEAR OPTICAL SOURCE INCLUDING SAID DEVICE A device for extending the lifetime of a frequency-converting non-linear optical system (19) subjected to the radiation of an intense laser beam includes two plates (2, 3) with flat and parallel surfaces angled on the beam and elements for transverse rotat... | 09/15/2011 |
| 20110170173 | WAVELENGTH CONVERSION LASER AND IMAGE DISPLAY DEVICE A wavelength conversion laser has: an exciting LD1, a solid state laser including a resonator, and a wavelength conversion element 7 disposed in the resonator. The solid state laser includes a first laser medium and a second laser medium as at least two ty... | 07/14/2011 |
| 20110134944 | EFFICIENT PULSE LASER LIGHT GENERATION AND DEVICES USING THE SAME A time delay is introduced in the optical path of the light pulse at fundamental wavelength relative to that for the fourth harmonic light pulse in a set up for generating the 5th harmonic, to compensate for at least a portion of the time delay of the fourth ... | 06/09/2011 |
| 20110122899 | SEMICONDUCTOR LASER A semiconductor laser includes a semiconductor laser element that emits electromagnetic radiation with at least one fundamental wavelength when in operation, an end mirror, a deflecting mirror reflective as a function of polarization located between the semiconductor la... | 05/26/2011 |
| 20110103413 | Quasi-continuous wave ultraviolet light source with optimized output characteristics The present application discloses various embodiments and methods of producing a quasi-CW UV laser system having the pulse duration and bandwidth to optimize harmonic conversion while producing a UV output configured to satisfy the constraints imposed by the optical sys... | 05/05/2011 |
| 20110044359 | Intracavity Conversion Utilizing Narrow Band Reflective SOA An external cavity laser source is provided comprising an external laser cavity, a tunable distributed Bragg reflector (DBR), a DBR tuning element, an output reflector, a semiconductor optical amplifier (SOA), a frequency-selective optical coupler/reflector, and a wavel... | 02/24/2011 |
| 20110019704 | LASER BEAM SOURCE DEVICE, LIGHTING DEVICE, IMAGE DISPLAY APPARATUS, AND MONITORING APPARATUS A laser beam source device includes: a light source which emits light having fundamental wavelength; a wavelength conversion element which converts the light having fundamental wavelength into light having conversion wavelength; a resonance element which transmits first... | 01/27/2011 |
| 20110013653 | INTRA-CAVITY GENERATION OF PULSED COHERENT RADIATION IN THE UV OR XUV WAVELENGTH RANGE A radiation source that provides high order harmonic radiation (HHG radiation) in an UV or XUV wavelength range comprising a resonant cavity that guides laser light pulses that includes at least two cavity mirrors, a first non-linear medium that provides the HHG radiati... | 01/20/2011 |
| 20100329291 | MULTI-SPECTRAL LASER SOURCE EMPLOYING PERIODICALLY POLED CRYSTAL MIXER A multi-spectral laser system produces first and second output frequencies by nonlinear mixing of a first, second, and third laser light frequency in a single periodically polled crystal, where the first and second output frequencies are separated by a range greater tha... | 12/30/2010 |
| 20100322270 | INTRACAVITY FREQUENCY-CONVERTED OPTICALLY-PUMPED SEMICONDUCTOR LASER WITH RED-LIGHT OUTPUT In a branched resonator OPS-laser arrangement, a combination of intra-cavity optical parametric generation and intra-cavity sum-frequency mixing provides output radiation in a range between about 550 nanometers about 700 nanometers from an OPS fundamental wavelength in ... | 12/23/2010 |
| 20100309438 | WAVELENGTH CONVERSION LASER A wavelength conversion laser 100 is provided with a solid-state laser having a cavity, and a wavelength converting element 6 arranged within the cavity. The solid-state laser includes two or more types of laser crystals 4 and 5 and oscillate... | 12/09/2010 |
| 20100303110 | Edge Bonded Optical Packages Particular embodiments of the present disclosure bring an SHG crystal, or other type of wavelength conversion device, into close proximity with a laser source to eliminate the need for coupling optics, reduce the number of package components, and reduce package volume. ... | 12/02/2010 |
| 20100303468 | White Light Emitting Device Based on Polariton Laser A high-efficiency white-light-emitting device that includes a polariton light emitter that emits UV or blue light to a down-converting material that converts the polariton emissions to white light. The polariton light emitter includes an active region situated within a ... | 12/02/2010 |
| 20100303109 | Proximity Coupled Athermal Optical Package Comprising Laser Source And Compound Facet Wavelength Conversion Device Particular embodiments of the present disclosure bring an SHG crystal, or other type of wavelength conversion device, into close proximity with a laser source to eliminate the need for coupling optics, reduce the number of package components, and reduce package volume. ... | 12/02/2010 |
| 20100290488 | Green Laser Generation Device, and Portable Electronic Machine Having Laser Projection Display Using the Said Device The present invention relates to a green laser generation device which can be applied to a cellular phone, and more particularly to a green laser generation device which is ultra compact in size having volume of 1 cc or less, despite having a built-in thermo electric co... | 11/18/2010 |
| 20100278200 | EXTERNAL FREQUENCY-QUADRUPED 1064 NM MODE-LOCKED LASER The output of a mode-locked solid-state NIR laser having a pulse duration less than 50 picoseconds at a pulse-repetition frequency is frequency doubled in a nonlinear crystal to provide green radiation. The green radiation is type-I frequency doubled in a BBO crystal to... | 11/04/2010 |
| 20100272135 | Self-Seeded Wavelength Conversion A method of operating a frequency-converted laser source is provided. According to the method, the gain section of a laser diode is driven such that the pulse repetition frequency νP of the laser source is less than but sufficiently close to a mathematical r... | 10/28/2010 |
| 20100272134 | Rapid Alignment Methods For Optical Packages A method for aligning an optical package including a semiconductor laser operable to emit an output beam having a first wavelength, a wavelength conversion device operable to convert the output beam to a second wavelength and adaptive optics configured to optically coup... | 10/28/2010 |
| 20100260215 | Split Control Of Front And Rear DBR Grating Portions A method is provided for controlling a DBR laser diode wherein front and rear DBR section heating elements are controlled such that the reflectivity of the rear grating portion of the DBR section is lower than the reflectivity of the front grating portion of the DBR sec... | 10/14/2010 |
| 20100254413 | SEMICONDUCTOR LASER EXCITED SOLID-STATE LASER DEVICE To make it possible to use a type I nonlinear optical crystal or a quasi phase matching element as a third harmonic generation crystal there is provided a semiconductor laser, a solid state laser medium that outputs a fundamental wave, a second harmonic generation cryst... | 10/07/2010 |
| 20100254412 | Phase Modulation In A Frequency-Converted Laser Source Comprising An External Optical Feedback Component A method of controlling a frequency-converted laser source is provided where the laser source comprises a laser cavity, an external optical feedback component, a wavelength selective component, and a wavelength conversion device and the method comprises driving a phase ... | 10/07/2010 |
| 20100246615 | INTRACAVITY HARMONIC GENERATION USING A RECYCLED INTERMEDIATE HARMONIC Lasers configured for intracavity harmonic generation of second and higher order harmonic laser beam energy include mode-matching optics, such as a curved mirror, for recycling an unused portion of an intermediate harmonic laser beam energy (e.g., second harmonic laser ... | 09/30/2010 |
| 20100238960 | INTRACAVITY FREQUENCY CONVERSION OF LASER RADIATION A laser device with frequency conversion, the device comprising a complex optical cavity comprising two cavity parts with two different levels of circulating intracavity power wherein there is placed at least one non-linear crystal (30) is placed within the cavit... | 09/23/2010 |
| 20100238958 | FIBER-BASED WAVELENGTH AGILE VISIBLE LASER SOURCE A system is provided for providing high power, wavelength tunable, laser radiation, the system comprising: a plurality of seeder sources, each the source of the plurality having a different seeder wavelength; a Ytterbium doped amplifier chain, receiving radiation from t... | 09/23/2010 |
| 20100238959 | SOLID-STATE LASER DEVICE AND IMAGE DISPLAY DEVICE A semiconductor laser light source 10 emits a laser beam for pumping. An optical resonator 2 includes a solid laser crystal 15 to be excited by the incident of a laser beam to oscillate a fundamental wave 20 and a pair of fundamental wave ref... | 09/23/2010 |
| 20100225897 | OPTICAL SCANNING AND IMAGING SYSTEMS BASED ON DUAL PULSED LASER SYSTEMS The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated, including highly integrated configurations. In a... | 09/09/2010 |
| 20100226396 | Optical Arrangement For Pumping Solid-State Lasers In an optical arrangement for pumping solid-state lasers, there is the object of producing an intensity distribution across the beam cross section of the pump radiation with a rectangular intensity profile, which intensity distribution is homogeneous at least in a regio... | 09/09/2010 |
| 20100220753 | MONOFREQUENCY INTRA-CAVITY FREQUENCY-TRIPLED CONTINUOUS LASER A diode-pumped intra-cavity frequency-tripled continuous laser device, this device includes: an amplifying medium, a birefringent non-linear medium for frequency doubling, a birefringent non-linear medium for frequency tripling; and a polarizing medium arranged so as to... | 09/02/2010 |
| 20100208757 | METHOD OF FERROELECTRONIC DOMAIN INVERSION AND ITS APPLICATIONS The present invention is related to a method to control the nucleation and to achieve designed domain inversion in single-domain ferroelectric substrates (e.g. MgO doped LiNbO3 substrates). It includes the first poling of the substrate with defined electrode ... | 08/19/2010 |
| 20100202477 | WAVELENGTH CONVERSION LASER DEVICE A wavelength conversion laser device includes a solid-state laser element having a waveguide structure including a laser medium that amplifies laser beams by providing a gain generated due to absorption of pump light to the laser beams and outputs a fundamental wave, an... | 08/12/2010 |
| 20100166028 | LASER APPARATUS AND OUTPUT CONTROL METHOD OF LASER APPARATUS A laser apparatus includes: a laser light source; an output member for receiving and transmitting a laser light flux generated by the laser light flux, and outputting a laser light flux; an optical aligning member for positioning the laser light flux generated by the la... | 07/01/2010 |
| 20100150187 | LASER A laser apparatus in which the elimination of separate optical components to provide intra-cavity polarization and compensation for thermally induced birefringence, and their associated losses, results in an improvement in efficiency and reduction in complexity over pri... | 06/17/2010 |
| 20100142570 | PULSED LASER LIGHT SOURCE BASED ON FREQUENCY CONVERSION A light emitting device including a waveguide having an electrically pumped gain region, a saturable absorber, a nonlinear crystal, an inclined mirror, and a light-concentrating structure. Light pulses emitted from the gain region are reflected by the inclined minor and... | 06/10/2010 |
