Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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.
| Number | Title | Issue Date |
| 8154792 | Multi-layer gallium arsenide-based fresnel phase-shift device for infrared wavelength conversion A new nonlinear optical structure for frequency conversion is described. The new nonlinear optical structure is a multilayer wafer comprising alternating layers of gallium arsenide and aluminum gallium arsenide onto a gallium arsenide substrate. The new device is bo... | 04/10/2012 |
| 8111452 | Wavelength conversion device with microlens and optical package incorporating the same An optical package is provided comprising a laser diode and a wavelength conversion device. The laser diode and the wavelength conversion device define an external laser cavity and the wavelength conversion device is tilted relative to the output face of the laser d... | 02/07/2012 |
| 8031394 | Wavelength conversion system, optical integrated device and wavelength conversion method A wavelength conversion system includes a Mach-Zehnder interferometer including two optical waveguides, a non-linear medium provided on one of the two optical waveguides, and a branching ratio adjuster for adjusting the branching ratio of multiplexed light produced ... | 10/04/2011 |
| 7859744 | Tunable compact entangled-photon source and QKD system using same A robust, quickly tunable narrow-linewidth entangled photon source system based on Spontaneous Parametric Down Conversion (SPDC) of the pump light in periodically polled LiNbO3 (PPLN) waveguides. The photon source provides narrow-linewidth, entangled outp... | 12/28/2010 |
| 7835065 | Optical packages and methods for aligning optical packages An optical package includes a semiconductor laser, a wavelength conversion device and a MEMS-actuated mirror oriented on a base module to form a folded optical pathway between an output of the semiconductor laser and an input of the wavelength conversion device. An ... | 11/16/2010 |
| 7835066 | Systems and methods for generating electromagnetic radiation Systems and methods for generating electromagnetic waves are provided. In one embodiment, a system for generating electromagnetic waves is provided. The system comprises a dielectric column comprising a spherical portion and at least one cylindrical portion, wherein... | 11/16/2010 |
| 7773293 | Wavelength conversion devices having multi-component output faces and systems incorporating the same The present invention relates generally to wavelength conversion devices and laser projection systems incorporating the same. According to one embodiment of the present invention, wavelength conversion devices are provided without limitation of their field of use to... | 08/10/2010 |
| 7742222 | Conversion device with multi-faceted output face and laser projection system incorporating the same The present invention relates generally to multi-faceted wavelength conversion devices and laser projection systems incorporating the same. ... | 06/22/2010 |
| 7710638 | Wavelength conversion devices A wavelength conversion device has a supporting substrate, and a wavelength conversion element provided on the supporting substrate, with separate portions provided on both sides of the wavelength conversion element. The separate portions are separated from the wave... | 05/04/2010 |
| 7672041 | Optical fiber lighting apparatus An optical fiber lighting apparatus includes an exciting light source, a first optical fiber, a second optical fiber, a wavelength conversion unit, and a reflecting member. The first optical fiber guides the exciting light emitted from the exciting light source. The... | 03/02/2010 |
| 7646531 | Wavelength conversion devices having multi-component output faces and systems incorporating the same The present invention relates generally to wavelength conversion devices and laser projection systems incorporating the same. According to one embodiment of the present invention, wavelength conversion devices are provided without limitation of their field of use to... | 01/12/2010 |
| 7589886 | Wavelength converter structure and method for preparing the same A wavelength converter structure comprises a supporting substrate, a ferroelectric substrate having at least one ridge waveguide including a plurality of periodic poled regions positioned on a first side of the ferroelectric substrate, and at least one controlling p... | 09/15/2009 |
| 7586670 | Nonlinear optical devices based on metamaterials An apparatus includes one or more optical couplers, an optical medium, and an optical pump source. The optical medium behaves as a negative refractive index material over a frequency range. The one or more optical couplers are configured to provide first and second ... | 09/08/2009 |
| 7436579 | Mobile charge induced periodic poling and device Devices and methods are disclosed for realizing a high quality bulk domain grating structure utilizing mobile charges that are generated by means of photo-excitation in a substrate. An effect of light exposure (UV, visible, or a combination of wavelengths) is to gen... | 10/14/2008 |
| 7437083 | Wavelength converter A wavelength converter for binary optical signals includes an interferometer structure (110) for generating an output signal by modulating a received local signal (LS) according to the modulation of a fUrther received first input signal (IS 1). When su... | 10/14/2008 |
| 7436586 | Wavelength conversion system, optical integrated device and wavelength conversion method A wavelength conversion system includes a Mach-Zehnder interferometer including two optical waveguides, a non-linear medium provided on one of the two optical waveguides, and a branching ratio adjuster for adjusting the branching ratio of multiplexed light produced ... | 10/14/2008 |
| 7428097 | Poled structure with inhibition blocks A poled structure comprises a ferroelectric substrate having a top surface and a bottom surface, at least one inhibition block positioned in the ferroelectric substrate, an electrode structure including a first electrode and a second electrode on the top surface and... | 09/23/2008 |
| 7421171 | Efficient terahertz sources by optical rectification in photonic crystals and metamaterials exploiting tailored transverse dispersion relations A system and a method for generating terahertz (THz) radiation are provided. The system includes a photonic crystal structure comprising at least one nonlinear material that enables optical rectification. The photonic crystal structure is configured to have the suit... | 09/02/2008 |
| 7413430 | Crystal base plate and pressing device The upper block 12 contacts the bearing block 20, and the bearing block 20 is coupled to the upper plate 21. The upper block 12 has a protruding part 22 on the upper surface that is worked into a convex surface with a radius... | 08/19/2008 |
| 7405869 | Method and system of local oscillator signal generation Methods and apparatus for local oscillator generation are provided. In a method embodiment, a method of signal processing includes splitting a signal having a first frequency into at least a first portion and a second portion. The method also includes generating a s... | 07/29/2008 |
| 7379677 | Method of wavelength conversion and wavelength converter The wavelength converter comprises (1) an optical multiplexer for multiplexing an amplitude-modulated first light and reference light, which is continuous light having a wavelength different from the wavelength of the first light, (2) an optical fiber for propagatin... | 05/27/2008 |
| 7379637 | Method, optical device, and system for optical fiber transmission The present invention relates to a method for optical fiber transmission which can increase a transmission distance. A first optical fiber having dispersion is first provided. An optical signal is next supplied to the first optical fiber so that the optical signal i... | 05/27/2008 |
| 7369779 | Regeneration of optical phase modulated signals A regenerator for restoring the originally encoded optical phase of a differential-phase-shift-keyed signal. In an embodiment, the regenerator simultaneously provides limiting amplification and reduces amplitude noise based on a phase-sensitive optical amplifier tha... | 05/06/2008 |
| 7365904 | Optical wavelength converter An optical wavelength converter includes: a first branch passage and a second branch passage receiving direct current light, one of the first branch passage and the second branch passage receiving input signal light; wavelength converting semiconductor optical ampli... | 04/29/2008 |
| 7362943 | Polymeric photonic crystals with co-continuous phases An optical element is formed by co-extruding to have an arrangement of polymer scattering fibers within a polymer matrix. The scattering fibers lie substantially parallel to a first axis. The scattering fibers are arranged at positions across the cross-section of th... | 04/22/2008 |
| 7362928 | Optical switch and gate apparatus and method Some exemplary embodiments of one version of the present invention provide an optical switch including: a splitting device having first, second, third and fourth terminals; a nonlinear element; an attenuator; and an optical loop associated with the third and fourth ... | 04/22/2008 |
| 7359111 | Optical steering device and method An optical device for steering radiation comprises a superprism structure a negative index of refraction for electromagnetic radiation having a frequency of 2ω only, and a photon upconversion structure disposed to upconvert a portion of incident electromagnetic rad... | 04/15/2008 |
| 7359045 | High speed laser scanning inspection system An optical inspection system rapidly evaluates a substrate by illumination of an area of a substrate larger than a diffraction-limited spot using a coherent laser beam by breaking temporal or spatial coherence. Picosecond or femtosecond pulses from a modelocked lase... | 04/15/2008 |
| 7356229 | Reflective polarizers containing polymer fibers A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is... | 04/08/2008 |
| 7352506 | Method and system for sensing environmental characteristics A system for sensing characteristics of the environment is disclosed. Sensors utilize exponential growth of a signal initiated by interaction of a sensor element with characteristics of the environment. Specific substances in the environment can be detected. The sen... | 04/01/2008 |
| 7348786 | Probe module for testing chips with electrical and optical input/output interconnects, methods of use, and methods of fabrication Probe modules, methods of use of probe modules, and methods of preparing probe modules, are disclosed. A representative embodiment of a probe module, among others, includes a redistribution substrate and a probe substrate interfaced with the redistribution substrate... | 03/25/2008 |
| 7346251 | Light emission using quantum dot emitters in a photonic crystal Devices and methods of manufacturing; for emitting substantially white light using a photonic crystal are described. The photonic crystal has a lattice of air holes and is made from a substrate containing quantum dots. The substrate is etched with three defects that... | 03/18/2008 |
| 7343056 | Acoustooptic filter An acoustooptic filter 1 having an optical waveguide 3 disposed on an upper surface 2a of an acoustooptic substrate 2, an interdigital electrode 4 which excites a surface wave disposed on the acoustooptic substrate 2,... | 03/11/2008 |
| 7343074 | Optical waveguide environmental sensor and method of manufacture An optical waveguide environmental sensor is provided that is capable of detecting a target gas or liquid in the ambient environment in an advantageously short period of time. The waveguide is preferably in the form of an optical fiber having a cladding that contain... | 03/11/2008 |
| 7342713 | Non-inverting cross-gain modulation-based wavelength converter Wavelength converter and methods are based on cross-gain modulation. The wavelength converter has two semiconductor optical amplifiers to perform double cross-gain modulations and double inversions. The first semiconductor optical amplifier performs a first cross-ga... | 03/11/2008 |
| 7342951 | Laser diode with a frequency converter A semiconductor laser diode that internally converts one or more short wavelength “pump” beams to an output beam at a longer wavelength using nonlinear optical frequency conversion in the semiconductor. Modal phase matching of the pump and output beams in a semi... | 03/11/2008 |
| 7339960 | Optical device, laser beam source, laser apparatus and method of producing optical device After forming domain inverted layers 3 in an LiTaO3 substrate 1, an optical waveguide is formed. By performing low-temperature annealing for the optical wavelength conversion element thus formed, a stable proton exchange layer 8 is fo... | 03/04/2008 |
| 7339282 | Topographically indexed support substrates The present invention provides an indexed support substrate. The support substrate comprises at least one set of indexing features that are distinguishable from one another and from the surrounding substrate. The support substrate also comprises a set of useful doma... | 03/04/2008 |
| 7336880 | Wavelength converting element and method of manufacturing thereof A wavelength converting element is provided in which a fundamental wave with respect to an optical crystal substrate and a peak of a vertical transverse mode of a second harmonic are made to coincide, the converting efficiency is good, and a beam shape which enables... | 02/26/2008 |
| 7336869 | System and method for implementing a high capacity unrepeatered optical communication system A method of communicating an optical signal includes generating an optical signal at a bit rate of at least 2.5 Gb/s. The optical signal including at least thirty optical channels. In one particular embodiment, at least some of the thirty optical channels reside wit... | 02/26/2008 |
