Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 6965621 | Ring optical parametric oscillator/optical parametric amplifier combination in single beamline By substituting a ring optical parametric oscillator for the linear cavity, one eliminates the effects of feedback solved in the prior art by the use of isolators and by the purposeful off-axis alignment of the pump laser beam. The result is an exceedingly robust sy... | 11/15/2005 |
| 6963591 | Solid state system and method for generating ultraviolet light Infrared laser light generated by a solid state diode pumped transform-limited Ti:Sapphire laser is converted to UV wavelengths using third and fourth harmonic generation systems. The resulting output is tunable between approximately 187 and 333 nm. The combined sol... | 11/08/2005 |
| 6963354 | High resolution imaging lidar for detecting submerged objects An image lidar includes a laser for generating light beam pulses in a line scan to illuminate an area surrounding a target. A controller selects pulse width and pulse rate of the light beam pulses emitted by the laser. A photomultiplier tube detects energy from the ... | 11/08/2005 |
| 6961355 | Variable power pulsed secondary beam laser Lasers are provided to deliver a wide variety of wavelengths at variable pulse energy. A laser cavity is formed between a first and second reflective surface. A lasing medium is located within cavity which lases at a preselected fundamental frequency. One or more no... | 11/01/2005 |
| 6954564 | Apparatus and method for integrated photonic devices having high-performance waveguides and multicompositional substrates An integrated photonic apparatus that includes a glass substrate having a major surface, wherein the glass substrate includes a plurality of regions, each region having a different index of refraction, including a first region having a first index of refraction and ... | 10/11/2005 |
| 6954479 | Optically pumped, surface-emitting semiconductor laser device and method for the manufacture thereof The invention is directed to an optically pumped surface-emitting semiconductor laser device having at least one radiation-generating quantum well structure and at least one pump radiation source for optically pumping the quantum well structure, whereby the pump rad... | 10/11/2005 |
| 6952307 | Electric field poling of ferroelectric materials A method of inducing a periodic variation of nonlinearity in a sample of ferroelectric material, comprises applying an electrically insulting mask to surface of the sample, applying an electric field across the sample to produce domain inversion in the sample, and r... | 10/04/2005 |
| 6950449 | Passively Q-switched laser The present passively Q-switched laser comprises a condensing optical system for condensing a laser beam emitted from a laser light source onto the surface of the solid-state laser medium. The surface of a solid-state laser medium is disposed off the condensation po... | 09/27/2005 |
| 6950577 | Waveguide-based Bragg gratings with spectral sidelobe suppression and method thereof A waveguide Bragg grating (WBG) is apodized by varying the duty cycle of selected grating periods while fixing the pitch of the grating periods. In one embodiment, the WBG is implemented in a silicon substrate using polysilicon filled trenches of varying width while... | 09/27/2005 |
| 6947454 | Laser pulse picking employing controlled AOM loading A laser (126) and an AOM (10) are pulsed at substantially regular and substantially similar constant high repetition rates to provide working laser outputs (40) with variable nonimpingement intervals (50) without sacrificing laser pulse-t... | 09/20/2005 |
| 6947229 | Etalon positioning using solder balls Two etalons in series may be angled to reduce parasitic reflections in the space between the two. The etalons may be soldered on either side of a post having an aperture there through to allow light to pass. Various sized solder balls and/or solder pads may be used ... | 09/20/2005 |
| 6947465 | Solid state laser The solid state laser comprises the laser medium 11 for absorbing the pumping light 12 from the LD 10 and generating or amplifying the light having a predetermined wavelength and a heat sink comprising the first block 15a, the seco... | 09/20/2005 |
| 6947460 | Optically pumpable surface-emitting semiconductor laser device In an optically pumpable surface-emitting semiconductor laser device with a vertical emitter with a radiation-generating active layer, at least one modulation radiation source for modulating the output power of the surface-emitting semiconductor device is provided. ... | 09/20/2005 |
| 6947614 | Wide band electro-optical modulators An optical modulator includes a waveguide structure forming a two-wave interferometer made of an electro-optical material, and two arms, a set of electrodes connected to a controllable electric source for applying an electric field on at least one of the arms of the... | 09/20/2005 |
| 6944192 | Planar laser An optical device (10) includes a broad area laser (72) for lasing at a first wavelength (64), a multimode active-doped tapered waveguide laser (6); and a multimode passive planar mode transformer (118) coupling and tapering from t... | 09/13/2005 |
| 6944196 | Solid state laser amplifier The present invention provides a non-laser-active solid which is connected to a laser-active solid which has a reflective layer system and is cooled by a cooling member. Parallel isothermal planes are created in laser-active solid which are passed through by laser b... | 09/13/2005 |
| 6944194 | Light scanning and recording apparatus A wavelength selecting optical element such as a narrow band-pass filter or the like is provided between a semiconductor laser and a light wavelength conversion element formed of a bulk-shaped wavelength conversion crystal. The wavelength selecting optical element s... | 09/13/2005 |
| H2122 | Diode pumped optical parametric oscillator A diode pumped optical parametric oscillator is disclosed. The apparatus includes a MOPA laser positioned to pump a photorefractive BaTiO3 crystal placed within a ring resonator formed by four mirrors. The interaction of the MOPA laser light incident on t... | 09/06/2005 |
| 6940888 | Dual head laser system with intra-cavity polarization, and particle image velocimetry system using same A laser system includes a resonator having two gain modules generating pulses, coupled with intra-cavity polarization into a single beam line, using a single output coupler. A laser controller controls the laser heads to emit pulses in rapid succession, such as puls... | 09/06/2005 |
| 6940880 | Optically pumped semiconductor ring laser An optically pumped semiconductor laser includes an active ring-resonator having two or more optically pumped semiconductor (OPS) structures each including a mirror-structure and a multilayer gain-structure. The mirror-structures serve as fold mirrors for the resona... | 09/06/2005 |
| 6937780 | Multi-pass, arcuate bent waveguide, high power super luminescent diode An optical device (300) including first and second facets (340, 350); an at least partially bent waveguide (320) formed on a substrate and including a portion perpendicular to the first facet; and a light amplification region (310) couple... | 08/30/2005 |
| 6934454 | Distributed optical amplifying apparatus, optical communication station, optical communication system, and optical fiber cable An optical fiber transmission line including first, second and third optical fibers connected together so that light travels through the transmission line from the first optical fiber, then through the second optical fiber and then through the third optical fiber. T... | 08/23/2005 |
| 6933475 | Method and system for turning on an optical radiation source An optical communication module includes an optical radiation source as well as control circuitry to control the temperature and the power emitted by he optical source. In order to permit soft start-up of the source while avoiding undesired wavelength variations, th... | 08/23/2005 |
| 6934073 | Variable focal length lens comprising micromirrors with one degrees of freedom rotation and one degree of freedom translation A micromirror array lens consists of many micromirrors with one degree of freedom rotation and one degree of freedom translation and actuating components. As a reflective variable focal length lens, the array of micromirrors makes all lights scattered from one point... | 08/23/2005 |
| 6934072 | Variable focal length lens comprising micromirrors with two degrees of freedom rotation and one degree of freedom translation A micromirror array lens consists of many micromirrors with two degrees of freedom rotation and one degree of freedom translation and actuating components. As a reflective variable focal length lens, the array of micromirrors makes all lights scattered from one poin... | 08/23/2005 |
| 6931045 | Distributed Bragg reflectors with reduced optical absorption A new class of distributed Bragg reflectors has been developed. These distributed Bragg reflectors comprise interlayers positioned between sets of high-index and low-index quarter-wave plates. The presence of these interlayers is to reduce photon absorption resultin... | 08/16/2005 |
| 6931037 | Diode pumped, multi axial mode intracavity doubled laser A diode pumped, multi axial mode, intracavity doubled, intracavity tripled laser, includes at least two resonator mirrors defining a resonator cavity. A laser crystal and a doubling crystal are positioned in the resonator cavity. A tripling crystal is also positione... | 08/16/2005 |
| 6931046 | High power laser having a trivalent liquid host A laser having a lasing chamber and a semiconductor pumping device with trivalent titanium ions dissolved in a liquid host within the lasing chamber. Since the host is a liquid, it can be removed from the optical cavity when it becomes heated avoiding the inevitable... | 08/16/2005 |
| 6930821 | Nonlinear frequency mixer using quasi-phase-matching gratings having beam-modifying patterns A method and a nonlinear frequency mixer employing the method to generate at least one output light from at least one input light with the aid of a quasi-phase-matching (QPM) grating for quasi-phase-matching the input and output light involved in a nonlinear frequen... | 08/16/2005 |
| 6931035 | Q-switching method for pulse train generation A method of operating a continuously pumped, Q-switched laser to provide trains of pulses for laser operations is disclosed. The laser includes a solid-state gain-medium that exhibits a thermal-lensing effect on being optically pumped. Pulse delivery is controlled b... | 08/16/2005 |
| 6928200 | Ultra-thin polarization mode converters based on liquid crystal materials A method and apparatus that includes a first waveguide segment that differentially changes the amplitude of the light relative to a first polarization orientation, a thickness of oriented liquid crystal or other birefringent material sufficient to delay one polariza... | 08/09/2005 |
| 6928099 | Apparatus for and method of frequency conversion Apparatus for frequency conversion of light, the apparatus comprises: a light-emitting device for emitting a light having a first frequency, the light-emitting device being an edge-emitting semiconductor light-emitting diode having an extended waveguide selected suc... | 08/09/2005 |
| 6928090 | Device and process for mode-locking a laser The invention relates to a device for a laser blocked-mode, especially for a pulsed laser, comprising a cavity resonator (20) which is defined by a first mirror (1) and a second mirror (8), and fitted with an amplifying active laser medium (5... | 08/09/2005 |
| 6924926 | Laser diode pump sources A laser diode pump includes a plurality of laser diodes each capable of generating a lasing wavelength. The laser diode pump further includes at least one wavelength combiner operable to combine the plurality of lasing wavelengths generated by the plurality of laser... | 08/02/2005 |
| 6922420 | Method of controlling hardening with laser beam and laser beam hardening device A workpiece is irradiated by a laser beam scanned in an oscillating track as the workpiece is advanced along a feed path in a hardening process. Sinusoidal variations in scan velocity are offset by decreasing the laser beam power level at phases in the scanning cycl... | 07/26/2005 |
| 6922419 | Long pulse vanadate laser A diode-pumped solid-state laser has been invented that provides long Q-switched pulses at high repetition rate with high stability. The laser incorporates Nd:YVO4 as the gain medium. ... | 07/26/2005 |
| 6920169 | Laser cavity A non-monolithic ring laser cavity comprising: (a) a gain medium (1); (b) a first polarization rotation element arranged to rotate the polarization of light propagating in the cavity with a predetermined handedness irrespective of the direction of propagation... | 07/19/2005 |
| 6919985 | Optical wavelength converting apparatus and optical wavelength converting method An optical wavelength converting apparatus comprising first and second light sources and a nonlinear optical material. Beams from the two light sources, incident on the material, generate sum frequency light of these beams. The nonlinear optical material is provided... | 07/19/2005 |
| 6917729 | Tailored index single mode optical amplifiers and devices and systems including same A semiconductor laser device includes a tailored index single mode power amplifier. A high-power laser system can be produced by connecting several of the tailored index single mode power amplifiers in parallel. In an exemplary case, a phase shifting device can be o... | 07/12/2005 |
| 6914918 | 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... | 07/05/2005 |
