INTERFERENCE DEVICE FOR MEASURING OF LIGHT WAVE PHASE SHIFT Russian patent published in 1998 - IPC

Abstract RU 2112210 C1

FIELD: measurement technology; laser interferometry. SUBSTANCE: device is essentially acoustooptical interferometer with electronic measuring circuit realized on basis of automatic frequency control system provided with measuring and reference input channels. Each channel includes delay line. EFFECT: higher measurement results. 1 dwg

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RU 2 112 210 C1

Authors

Leun E.V.

Dates

1998-05-27—Published

1996-08-09—Filed