Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1981-01-30
1983-10-11
Nussbaum, Marvin L.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250227, 350 9613, G02B 5172
Patent
active
044088299
ABSTRACT:
Method and apparatus for detecting and converting pressure signals to modulated light signals by microbending optical fibers as a function of the pressure signals. Transducers are described which include a length of multimode optical fiber supported at spaced points across a flexible diaphragm. Movement of the diaphragm in response to the pressure signals microbends the optical fiber to induce attenuation of light travelling along the fiber as a function of the signals.
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Fields et al. "Fiber Microbend Acoustic Sensor", Applied Optics, Oct. 1, 1980, vol. 19, No. 19; pp. 3265-3267.
Fields et al., (Abstract) "WD3 Multimode Optical Fiber Loss Modulation Acoustic Sensor", Optical Fiber Communication, Optical Society of America, c/o 1979, pp. 58-59.
Bickford Gary P.
Fitzgerald, Jr. Robert W.
Hall Robert L.
Nussbaum Marvin L.
Schlumberger Technology Corporation
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