DEVICE REGISTERING CHANGES OF OPTICAL LENGTH OF FIBRE-OPTICAL INTERFEROMETER Russian patent published in 1997 - IPC

Abstract RU 2087859 C1

FIELD: measurement technology. SUBSTANCE: device registering changes of optical length of fiber-optical interferometer has phase modulator, photodetector, signal formation and processing unit connected to output of photodetector and two sections of optical fibre. First section is positioned in front of fibre-optical interferometer, is intended for transmission of optical radiation to input of fiber-optical interferometer. Second section is located between fibre-optical interferometer and photodetector and is meant for transmission of optical radiation from output of fibre-optical interferomer to input of photodetector. Phase modulator is placed on first section of fibre. EFFECT: simplified design, improved functional reliability of device. 2 cl, 2 dwg

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RU 2 087 859 C1

Authors

Ginevskij S.P.

Kotov O.I.

Liokumovich L.B.

Medvedev A.V.

Nikolaev V.M.

Dates

1997-08-20—Published

1994-07-12—Filed