Monomode optical fiber ring interferometric device with semicond

Details Monomode optical fiber ring interferometric device with semicond Monomode optical fiber ring interferometric device with semicond

1990-06-04

1991-04-23

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01B 902

Patent

active

050095048

ABSTRACT:
A ring interferometer device is provided comprising monomode optical fiber, a radiation separator and a mode filter coupled optically to a coherent light source. In a first approach, this source is a semiconductor diode of the type operating alternately as light emitter and receiver depending on the biasing. In a second approach, the source is a light emitting semiconductor diode coupled by its front face to the mode filter and by its rear face to a detector, said diode acting as light amplifier.

REFERENCES:
patent: 4070118 (1978-01-01), Maslowski et al.
patent: 4480915 (1984-11-01), Arditty et al.

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