Class 372/16 - Rotating prism

Subclass of Class 372 - Coherent light generators
Definition: Subject matter wherein the mechanical means is a rotating
No. of patents: 29
Last issue date: 08/21/2007

Number	Title	Issue Date
7260131	Symmetrization device and laser diode system provided with the same A symmetrization device and laser diode system using such a device is shown. The device has adjacent lens components transforming beamlets from a laser diode array. Each lens component has input and output surfaces, each having a profile in the propagation direction...	08/21/2007
7246932	Data display device A data display device including a light-guide element made of an optically transparent material having at least two polished surfaces faced to one another, whereby at least one surface contains at least one gravure forming a diffuse-reflective character, and a light...	07/24/2007
7245419	Wavelength-stabilized pump diodes for pumping gain media in an ultrashort pulsed laser system In an optical amplifier, passively wavelength-stabilized pump diodes generate pumping light to excite a gain medium (e.g., rare-earth-ion doped optical fiber or solid-state optical amplifier) near an absorption peak of the gain medium. The gain medium amplifies a pu...	07/17/2007
7218443	Generation of tunable light pulses A device for generating tunable light pulses has a non-linear optical fiber. The optical spectrum of femtosecond light pulses can be modified by this optical fiber, taking advantage of solitonic effects. In order to make available such a device, which makes it possi...	05/15/2007
7184229	Optical switch element An optical switch element (1) for switching an optical path (2) comprises a fixed reflection element (4), which requires strict preciseness in positioning and angle-setting, and a movable optical path parallel displacement element (3A), w...	02/27/2007
7099580	Method and system for communicating network topology in an optical communications network An exemplary embodiment of the invention is a network element in an optical communications network. The network element includes a data collection application program interface (API) for collecting topology information in a first format. A transport network bridge i...	08/29/2006
7068934	Optical interconnect An optical interconnect comprises an input configured to receive light of a plurality of light wavelengths and a plurality of holographic optical elements. Each element configured to reflect one out of the plurality of light wavelengths and allowing others of the pl...	06/27/2006
7058093	Q-switched, cavity dumped laser systems for material processing This disclosure discusses techniques for obtaining wavelength selected simultaneously super pulsed Q-switched and cavity dumped laser pulses utilizing high optical damage threshold electro-optic modulators, maintaining a zero DC voltage bias on the CdTe electro-opti...	06/06/2006
7039079	Pulsed COlaser including an optical damage resistant electro-optical switching arrangement A laser includes a gain medium located in a laser resonator. The gain medium generates plane polarized radiation plane polarized in a first polarization orientation. An electro-optical switch is located in the resonator. When the switch is activated the polarization...	05/02/2006
7026594	Method and device for producing radio frequency waves The invention relates to a method for producing radio frequency waves, whereby a pulse laser for producing light pulses having a predetermined spectrum of frequency modes and a predetermined recurrence frequency is operated. The light pulses of the pulse laser are d...	04/11/2006
6846080	Image display apparatus An image display apparatus includes a plurality of light emission sources, a drive circuit for pulse-driving the plurality of light emission sources in order in a predetermined period, a moving reflecting mirror for swinging in order in an incidence direction of lig...	01/25/2005
6822984	Device for and method of testing semiconductor laser module In the semiconductor laser module testing device, a temperature control power source changes a temperature of a wavelength locker module, and a wavelength monitoring bias circuit detects an output of a wavelength monitor in the changed temperature range and computes...	11/23/2004
6810047	Wavelength tunable external resonator laser using optical deflector The present invention relates to an optical deflector driven by an electrical signal, and a wavelength tunable external resonator using the same. The optical deflector of a triangle shape, capable of controlling the refractive index of a beam depending on the electr...	10/26/2004
6785303	Generation of stabilized, ultra-short light pulses and the use thereof for synthesizing optical frequencies A process for operation of a laser device (1) is described, whereby circulating light pulses each comprising spectral components according to a plurality of longitudinal modes of a resonator configuration (3) are generated in the resonator configuratio...	08/31/2004
6373866	Solid-state laser with composite prismatic gain-region A slab laser includes a laser-resonator and a plurality of generally-triangular prismatic slabs of a solid-state gain-medium located in the resonator. The prismatic slabs are cooperatively arranged such that laser-light circulating in the laser-resonator ...	04/16/2002
6252897	External mirror type wavelength tunable laser In an external mirror type semiconductor laser composed of a semiconductor laser having a structure wherein a reflection factor is reduced on one end plane thereof, and a lens as well as a grating type reflector disposed on the side of the end plane, resp...	06/26/2001
6016521	Communication control device A communication control device has a central processing unit (3), an input data buffer (14), an output data buffer (15), a readout reload register (17), an output reload register (18), and a timer (19) located between an input terminal (1) and an output t...	01/18/2000
5917843	Laser cavity assembly A laser cavity assembly includes means (12, 13, 14; 14", 56, 57) defining respective optical resonance cavities (20, 22) for stimulated radiation of different wavelengths, which cavities include at least some common volume. Such means includes window mean...	06/29/1999
5790584	Highly repetitive laser employing a rotating wedge The present invention relates to a highly repetitive laser employing a rotating wedge, and more specifically, a laser employing a rotating wedge which can provide a laser beam having a uniform spatial intensity profile with a high repetition rate. The hig...	08/04/1998
5550850	Apparatus and method for precisely wavelength-tuning single longitudinal mode tunable laser beams by utilizing wedge prism An apparatus and a method for precisely wavelength-tuning single longitudinal mode tunable laser beams by utilizing a wedge prism are disclosed in which, instead of a tuning mirror, a prism is rotated, so that a single longitudinal mode can be maintained ...	08/27/1996
5524219	Optical data processing system providing free space interconnections through light pattern rotations, generated by a ring-distributed optical transmitter array through a control unit An optical ring data distribution interconnect network system has a control unit that provides process data to a plurality of processing elements positioned about a reference circle to form a ring array and a coupled to the control unit for optically proc...	06/04/1996
4809282	Critical angle rotating prism Q-switch A CO2 TEA laser Q-switch uses an intra cavity rotating prism (70) with internally reflecting surfaces (76, 78) at near the critical angle to produce a variable optical loss such that the gain of the laser is switched as the prism rotates throug...	02/28/1989
4675500	Laser processing apparatus with means for selectively varying the transverse mode distribution of the laser beam In the resonator of a laser generator, variable mode selective structure is provided to permit electrically actuated adaptation of beam parameters to required operating conditions. Such structure can be implemented with one or more pivotal plates, each ha...	06/23/1987
4660204	CO₂ TEA laser utilizing an intra-cavity prism Q-switch A CO2 TEA laser utilizing an intra-cavity rotating prism Q-switch (70) for angularly switching the resonator gain by periodically causing the resonator mirrors (54, 56) to be in alignment. An opto-electronic timing device (79), which includes a...	04/21/1987
4601036	Rapidly tunable laser Method and means are disclosed for rapidly tuning a laser over a large number of wavelengths. The means of the present invention includes first and second reflecting means which define the optical resonating cavity of a laser, and further includes a dispe...	07/15/1986
4564949	Folded cavity laser for holography An improved folded cavity laser having particular application to holographic imaging is disclosed. The laser includes a lasing medium, such as for example a ruby rod, which is optically or electronically "pumped" in order to provide laser light. The mediu...	01/14/1986
4525034	Polarizing retroreflecting prism An improved prism which polarizes and retroreflects a light beam which is incident thereto at the Brewster's angle. The principles of the Brewster window, corner reflector, and total internal reflection, such as at the ends of a laser cavity, is incorpora...	06/25/1985
4355394	Laser device for generating ultrashort laser radiation pulses A laser device especially intended to generate ultrashort light pulses, wein the laser path is defined by an interferometer (I) providing substantially total reflection, a partial reflector (OM) for decoupling, and a stimulatable laser medium (D) between...	10/19/1982
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

PatentStorm

Bizarre Patents

PatentStorm News

Class 372/16 - Rotating prism