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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Rice; Robert R.
Address:
Chesterfield, MO
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
6363087 Multimode raman fiber amplifier and method March 26, 2002
A multimode Raman fiber amplifier and method for generating high levels of laser output power from arbitrary pump laser wavelengths using Stimulated Raman Scattering (SRS) in optical fibers of a dual clad design. The optical fibers are amplified in such a manner that facilitates high pow
6200309 Photodynamic therapy system and method using a phased array raman laser amplifier March 13, 2001
System and method for photodynamic therapy using a phased array Raman laser amplifier including a beam generator for generating a fundamental laser beam and a Raman seed frequency laser beam, and a fiber optic laser amplifier array for forming a diffraction limited output laser beam at t
6061170 Dual frequency laser amplifier array and operating method therefor May 9, 2000
A dual frequency laser amplifier includes a beam generator for generating first and second source laser beams, and a co-doped optical fiber including first and second dopant ions having first and second gain bandwidths corresponding to the respective wavelengths of the first and seco
5946130 Optical fiber amplifier network having a coherently combined output and high-power laser amplifi August 31, 1999
An optical fiber amplifier which receives a primary laser beam and generates a coherent amplified laser beam, includes an optical isolator which transmits the primary laser, a 3-dB coupler which receives the primary laser beam, which generates first and second laser beams, which rece
5867257 Battlefield personnel threat detection system and operating method therefor February 2, 1999
A battlefield personnel threat detection system for identifying and analyzing vibrations corresponding to an immutable characteristic of a target of interest includes a transmitter for producing a transmit laser beam by amplification of a primary coherent laser signal, a coherent rec
5847817 Method for extending range and sensitivity of a fiber optic micro-doppler ladar system and appar December 8, 1998
A method for compensating a reference signal used in a coherent receiver of a micro-doppler sensor having a transmitter includes the steps for: (a) repeatedly measuring phase differences between a signal emitted by the transmitter a first time and a previous signal emitted at a previous
5847816 Fiber optic micro-doppler ladar system and operating method therefor December 8, 1998
A micro-doppler ladar system for identifying and analyzing a target of interest includes a transmitter and coherent receiver pair, each of which includes a fiber optic power amplifier, and a controller. Preferably, the transmitter includes a master oscillator for generating a primary las
5841802 Multiple, isolated strained quantum well semiconductor laser November 24, 1998
An electron beam pumped semiconductor laser which includes a substrate, an optical gain structure provided on the substrate, the optical gain structure being comprised of a plurality of alternating quantum well layers and isolation layers, the quantum well layers being spaced apart f
5832006 Phased array Raman laser amplifier and operating method therefor November 3, 1998
A phased array Raman laser amplifier includes a beam generator for generating a fundamental laser beam and a Raman seed frequency laser beam, and a fiber optic laser amplifier array for forming a diffraction limited output laser beam at the Raman seed frequency by amplifying the fund
5807764 Vertical cavity electron beam pumped semiconductor lasers and methods September 15, 1998
An electron beam pumped semiconductor laser includes a semiconductor laser screen and an electron beam source adjacent the semiconductor laser screen. The semiconductor laser screen comprises a transparent single crystal substrate, an electron beam responsive active gain layer on the
5781229 Multi-viewer three dimensional (3-D) virtual display system and operating method therefor July 14, 1998
A three-dimensional (3-D) virtual display system for displaying a flicker-free 3-D virtual image to each of N viewers randomly dispersed about a horizontally disposed viewing screen, where N is an integer greater than 1, includes a laser projector for generating N.times.M image pairs
5715270 High efficiency, high power direct diode laser systems and methods therefor February 3, 1998
A direct diode laser system includes N laser head assemblies (LHAs) generating N output beams, N optical fibers receiving respective N output beams and generating N received output beams, and a torch head recollimating and focusing the N received output beams onto a single spot. Pref
5694408 Fiber optic laser system and associated lasing method December 2, 1997
The fiber optic laser system and associated lasing method amplifies and divides a primary laser signal into a plurality of secondary laser signals. The fiber optic laser system includes a distribution means, such as a distribution module, for dividing a primary laser signal, generated
5677923 Vertical cavity electron beam pumped semiconductor lasers and methods October 14, 1997
An electron beam pumped semiconductor laser includes a semiconductor laser screen and an electron beam source adjacent the semiconductor laser screen. The semiconductor laser screen comprises a transparent single crystal substrate, an electron beam responsive active gain layer on the
5495490 Immersion method and apparatus for cooling a semiconductor laser device February 27, 1996
An immersion cooled semiconductor laser assembly includes an electrically activated semiconductor laser device, such as a two-dimensional laser diode array, and liquid coolant flowing thereabout which directly contacts the emitting facet of the semiconductor laser device. The semiconduct
5283844 Monolithic active waveguide optical crossbar switch February 1, 1994
A semiconductor active waveguide optical crossbar switch to allow optical signals to be routed to any number of ports with no net attenuation of signal strength. The optical crossbar switch is comprised of a network of optical waveguides wherein both lateral and transverse carrier confin










 
 
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