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 |
| 4300106 | Large volume multiple-path nuclear pumped laser A large volume multiple-path nuclear pumper laser which has improved characteristics over previous cylindrical nuclear pumped laser systems. Large volumes of gas are excited by using internal high reflectance mirrors that are arranged so that the optical ... | 11/10/1981 |
| 4287486 | Laser resonator cavities with wavelength tuning arrangements Novel laser resonator cavities and laser wavelength tuning arrangements are disclosed. A pair of similar spectral dispersion means achieve in the resonator both a colinear region for rays of different wavelengths and a region in which rays of different wa... | 09/01/1981 |
| 4278948 | Autopointing laser system An autopointing laser system utilized in the tracking and/or detection of objects having a stationary flat reflector, a pair of parabolic reflectors, and a telescope reflector, all in optical alignment with each other. When the telescope reflector is also... | 07/14/1981 |
| 4230993 | Process for increasing the pulse repetition frequency in a laser A process and apparatus for increasing the pulse repetition frequency in a laser is disclosed. The laser includes first and second series connected discharge tubes, a supply unit for applying energy to the discharge tubes and a pulse generator for control... | 10/28/1980 |
| 4219786 | Polarization suppression of parasitic modes In a multi-pass laser optical system orthogonal polarization of any two immediately adjacent optical passes allows suppression of internal parasitics caused by overlap of laser radiation on successive passes through a laser oscillator or amplifier, allowi... | 08/26/1980 |
| 4216440 | Surface acoustic wave tuning for lasers A tunable laser using surface acoustic waves in the sides of a piezoelect prism to provide two reflective diffraction gratings for tuning the resonant cavity.... | 08/05/1980 |
| 4207542 | Multiple shock aerodynamic window A multiple shock aerodynamic window for use within a laser system. The aerodynamic window provides separation between the pressure within the laser cavity and the ambient pressure adjacent thereto. Making up the aerodynamic window is an entrance duct and ... | 06/10/1980 |
| 4190814 | Single axis resonator for laser A single axis resonator for use within a laser having an annular gain region. The single axis resonator extracts optical power from the annular gain region by the use of a beam expander, reflaxicon, corner cube and output coupler, wherein the optical axis... | 02/26/1980 |
| 4173001 | Laser apparatus A laser apparatus having a pump laser device for producing pump laser energy upon being excited. The pump laser device having a resonating cavity for oscillating and amplifying the pump laser energy. A source laser device is used for producing source lase... | 10/30/1979 |
| 4132955 | System for amplifying laser beams This invention relates to a laser amplifier system for amplifying a diverged laser beam to very high power levels, at constant flux density, over a very long optical path folded into a compact arrangement consisting of two rows of amplifier segments of pr... | 01/02/1979 |
| 4127827 | Optimized mode-locked, frequency doubled laser In a solid state, folded cavity, laser having a fundamental frequency and a second harmonic frequency, the efficiency of the laser is improved by placing a quarter wave plate, at the lower frequency, in the leg of the cavity containing the lasing element ... | 11/28/1978 |
| 4126832 | Diffraction grating coupled optically pumped laser An optically pumped submillimeter laser system having a laser cavity which contains therein a diffraction grating. The diffraction grating is used simultaneously as an efficient first order diffractor for coupling in the short wavelength pump radiation an... | 11/21/1978 |
| 4099141 | Laser generator The invention relates to a laser generator. That generator comprises optical resonant cavity of the folded type, limited by two plane mirrors arranged in a same plane, side by side and a corner cube reflector for sending back the radiation coming from one... | 07/04/1978 |
| 4093924 | Device for applying a laser pulse delivered by a laser oscillator A light-amplifying medium is pumped by an auxiliary excitation source and has a number of energy levels, the laser transition being intended to correspond to the laser pulse delivered by the oscillator and to take place between the upper laser level and t... | 06/06/1978 |
| 4088964 | Multi-mode threshold laser An image amplifying multi-mode laser with image forming elements in the cavity and with a saturable absorber film at the focal plane in the cavity. Radiation from each point of an image is focused on the saturable absorber film so as to enter a distinct m... | 05/09/1978 |
| 4081765 | Method and apparatus for providing a calibrated scan for a scanning laser Apparatus and a method are disclosed for continuously varying the output radiation frequency of a scanning laser system about a selected nominal output radiation frequency with a calibrated scan. Apparatus is disclosed for continuously varying the resonan... | 03/28/1978 |
| 4065730 | Laser optical coupler Light is efficiently coupled from a laser into a dielectric optical wave guide without the use of additional optical components. An oscillating mode using total internal reflection within the laser element is employed, one face of the element intimately c... | 12/27/1977 |
| 4065732 | Energy resonating system with elimination of optical bench structure A laser comprises an optical resonant cavity construction utilizing opposing corner cube and W-fold mirrors to provide a four-pass folded optical path which is not dependent upon critical alignment between the said mirrors and therefore eliminates necessi... | 12/27/1977 |
| 4050035 | Self-aligned polarized laser A laser of the type which generates linearly polarized light and including optical means for self-alignment. Among such polarized lasers are, for example, solid state lasers and particularly ruby lasers, as well as various gas lasers employing Brewster wi... | 09/20/1977 |
| 4048515 | Broadband laser with intracavity crystal for generating second harmonic radiation High power, high efficiency second harmonic generation is obtained by employing a nonlinear optical crystal inside the cavity of a broadband laser. The birefringent property of the crystal and the nonlinear parametric interaction produce frequency doublin... | 09/13/1977 |
| 4044316 | Stabilized cavity-dumped nd:yag laser In cavity dumped state lasers the relaxation oscillations caused by cavity dumping are stabilized and damped out by placing a non-linear second-harmonic generation crystal inside the optical cavity of the laser and phase-matching it to produce a doubled f... | 08/23/1977 |
| 4039962 | System for amplifying laser beams A uni-directional laser amplifier system including a diverged beam having either a single unstructured pulse or a train of such pulses amplified to a very high power level over a long, folded amplification path. The beam emerges via a large, elliptical, c... | 08/02/1977 |
| 3996528 | Folded cavity injection laser An injection laser, which is chemically etched to provide mirror-like surfaces, also is provided with a chirped diffraction grating. The latter grating, which is etched in the injection laser, combines with the chemically etched sides to provide laser emi... | 12/07/1976 |
| 3996527 | Gas laser optical system A laser discharge tube has a separate light reflector means positioned at each end of the tube. One of the light reflector means has a plurality of facets for reflecting the light traveling through the laser tube. The novel system defines a folded optical... | 12/07/1976 |
| 3996492 | Two-dimensional integrated injection laser array An injection laser, whose sides are chemically etched to produce facing 45° mirrors, can be made to emit lasing light in the same direction as current going through the p-n junction. A two dimensional array of lasers is produced wherein the location of e... | 12/07/1976 |
| 3995230 | Laser An improved laser system having a Q-switch which is a roof prism rotatable about a spinning axis transverse to the axis of the laser rod, in which the medial plane of the prism is offset from the axis of the rod to receive output radiation from the rod on... | 11/30/1976 |
| 3983507 | Tunable laser systems and method A tunable laser includes a birefringent tuning crystal placed in the laser cavity. An electrical signal is applied to the tuning crystal to establish an electrical tuning field within the crystal, and a desired laser tuning rate as a function of the appli... | 09/28/1976 |
| 3982204 | Laser discharge tube assembly A laser discharge tube assembly is disclosed, such assembly including a pair of blocks, one having an optically flat surface and the other having at least a pair of grooves formed in an optically smooth surface thereof, the surfaces of the pair of blocks ... | 09/21/1976 |
| 3978429 | Mode-locked laser The stability of passively mode-locked lasers operated to provide short pulses is improved by utilizing saturable absorption which has a composite characteristic consisting of one component of relatively fast recovery time and another of relatively slow r... | 08/31/1976 |
| 3975693 | Dual function laser for space laser communications A Nd:YAG laser operating in a dual functioning cavity with a Ba2 Na(NbO3)5 frequency doubling crystal provides two frequencies of laser radiation, one frequency double the other, to provide a laser beacon beam at a wavelen... | 08/17/1976 |
| 3967211 | Laser wavelength stabilization A system for stabilizing the frequency of a laser employing the variation in position of interference patterns which results from a variation in laser beam frequency in passing through a Fabry Perot etalon filter. The system is particularly useful for mai... | 06/29/1976 |
| 3940712 | Modulation techniques for lasers An arrangement for frequency modulating a laser beam utilizes an optical prism which is disposed within the laser cavity such that the beam continuously experiences total internal reflection from one face thereof as an optical element having an index of r... | 02/24/1976 |
| 3937578 | Laser gyroscope A laser gyroscope is disclosed wherein two pairs of waves propagating in opposite directions in a laser resonator are amplified by the laser medium of such resonator. The frequencies of such waves, which are all different, are maintained symmetrically abo... | 02/10/1976 |
| 3931592 | Surface acoustic wave tuned laser Tuning a laser with a piezoelectric crystal having a reflective surface, rein surface acoustic waves (SAW) deform the reflective surface of the crystal to create a diffraction grating.... | 01/06/1976 |
| 3930731 | Laser gyroscope A laser gyroscope is disclosed wherein a polarization dispersive structure, disposed in the path of the laser beam, includes an anisotropic crystal as a half-wave retarder. The crystallographic axes of such crystal are oriented with respect to the plane o... | 01/06/1976 |
