Browsing by Title
Now showing items 47128-47147 of 121630
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Observations taken from ground-based telescopes and large spectroscopic facilities are contaminated by emission from the Earth’s atmosphere and must be subtracted from astronomical measurements to recover the true target ...
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(2015-09-29)The goal is to develop a device which periodically couples a pump signal to a signal propagating within a fiber such that the highest amount of optical gain is observed. This idea is based off the proposition that using ...
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(Texas A&M University, 2005-11-01)A fiber optic system for measuring magnetic heading and pitch of one or more compass heads in a towed acoustic array has been developed as a cooperative effort between engineers at Fiber Dynamics, Inc., and faculty and ...
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 2001-02-13)A current sensor having an optmized optical fiber coil for sensing the magnetic field of a current of wire passing by or through the coil. The coil is optimally spun such that a particular ratio of the spin rate to the ...
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(Texas A&M University. Libraries, 1994)A program m able °Pheal-fiber delay gne using optical switches is investigated. The alpfiber optical switch is a MaC^'2 eh n d er interferometer w ith a piezoelectric transducer in each arm, which Pr°duces phase modulation ...
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(Texas A&M University, 1998)Plasma sparks from an electrical discharge machining phics. (EDM) process were observed using fiber optics positioned the dielectric oil. New measurement techniques were developed to observe the spark in the extremely noisy ...
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 2001-08-28)A fiber optic fiber Fabry-Perot interferometer diaphragm sensor and method of measurement is provided. A fiber Fabry-Perot interferometer diaphragm sensor (12a, 12b, 12c) includes a base (54a, 54b, 54c) and a diaphragm ...
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(Texas A&M University, 1998)A new design of fiber optic hydrophone sensor arrays phics. using low reflectance internal mirrors in optical fibers is investigated. The mirrors are produced by fusion arc splicing of two fibers, one of which has a thin ...
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 1997-07-01)A number of optical interferometric sensor configurations are provided. The interferometric sensors include a polarization maintaining optic fiber forming either a loop or linear optical path. Circularly polarized light ...
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 2000-02-08)A fiber optic interferometric sensor (10, 70) includes a sensing fiber (32, 92) which forms a closed optical path around a current-carrying conductor (44, 94). The sensing fiber (32, 92) has a predetermined number of twists ...
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(Texas A&M University. Libraries, 1994)A novel type of fiber optic intrusion sensor has been proposed and investigated theoretically and experimentally. The sensor is configured as a coherent optical time domain reflectometer (OTDR) with a highly coherent laser ...
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(2012-02-14)Mycobacterium tuberculosis, the bacterium that causes tuberculosis, has an incubation period ranging from a few months to several years following infection via inhalation into the lungs. Whole body fluorescence scanners ...
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(Texas A&M University, 1986)Not available
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 1987-07-28)A fiber optical probe for colorimetric measurement of chemical properties suitable for the insertion into living tissue. A chemical to be colorimetrically measured is introduced into a sample chamber on the side of the ...
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(Texas A&M University, 2006-10-30)A new fiber optic sensing technology for measuring in-cylinder pressure in automotive engines was investigated. The optic sensing element consists of two mirrors in an in-line single mode fiber that are separated by some ...
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(Texas A&M University, 2004-09-30)Historical attempts to measure forces in magnetic bearings have been unsuccessful as a result of relatively high uncertainties. Recent advances in the strain-gauge technology have provided a new method for measuring ...
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(Texas A&M University, 2000)A fiber optic temperature sensor intended to sense temperatures up to 1400°C was investigated experimentally. A key element of the sensor is a grating on the 45°-angled tip of a single mode fiber. When light propagating ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2017)
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 1997-12-09)A fiber optics sensor (10) and method for attaining accurate measurement are provided. A polarization maintaining optic fiber (22) forms a linear optical path. An optical element (24) is used to convert linearly polarized ...
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(United States. Patent and Trademark Office; Texas A&M University. Libraries, 1999-11-16)The fiber optics sensor includes a polarization maintaining optic fiber forming an optical loop, and a sensing medium coupled to the optic fiber and disposed generally midway in the optical loop. First and second quarter ...