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Donald A. Frederick

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Publication

Featured researches published by Donald A. Frederick.

Archive | 1997

Method of operating a fiber-optic acoustical sensor, apparatus for practicing the method, and in-line fiber-optic polarizer usable in such apparatus

Donald A. Frederick; David B. Hall

Archive | 1999

Optical waveguide sensor system for remote detection

Samuel N. Fersht; Donald A. Frederick; David B. Hall

Archive | 2000

IN-LINE FIBER-OPTIC POLARIZER

Donald A. Frederick; David B. Hall

Archive | 1999

Optical waveguide vibration sensor system for remote detection

Samuel N. Fersht; Donald A. Frederick; David B. Hall

Archive | 1998

Method for determining the phase difference of light waves propagated over two paths

David B. Hall; Donald A. Frederick; James B. Bunn; Jr. James S. Bunn

Archive | 1998

Apparatus and method for detecting rotation rate, Faraday bias and cavity length in a ring laser gyroscope

Donald A. Frederick; John G. Mark; Daniel A. Tazartes; David B. Hall; Tae W. Hahn

Archive | 1998

Time-division multiplexed array of optical non-acoustic pressure sensors

Donald A. Frederick; David B. Hall

Archive | 1997

TDM array of optical non-acoustic pressure sensors

Donald A. Frederick; David B. Hall

Archive | 2000

Akustische Sensoranordnung für bohrloch-seismische Anwendungen unter Verwendung einer fiberoptischen Fühleranordnung Acoustic sensor assembly for downhole seismic applications using a fiber optic probe assembly

Donald A. Frederick; Michael J Carter; Samuel N. Fersht; David C Winslow

Archive | 1999

Vibrationssensor mit optischem Wellenleiter für Fernmessung Vibration sensor with optical waveguides for remote sensing

David B. Hall; Donald A. Frederick; Samuel N. Fersht

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