Fiber optic differential sensor

Details Fiber optic differential sensor Fiber optic differential sensor

1981-03-27

1984-02-21

Lee, John D.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250227, 370 4, G02B 516

Patent

active

044325991

ABSTRACT:
An optical differential sensor utilizes at least two optical waveguides to receive light directly from another waveguide or reflected from a mirror to sense the position of the waveguide or reflector relative to the position of at least two waveguides. Relative positions may be influenced by ambient conditions or from mechanical motions, thus affecting an environmental or metrical sensor.

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Nelson et al., Applied Optics, vol. 19, No. 17, Sep. 1, 1980, pp. 2917-2920, "Passive Multiplexing System for Fiber-Optic Sensors".

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