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2 054 639

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C1

(51)

IPC

(21) (22)

Application

92014168/25, 1992-12-24

(22)

Actual filing date

1992-12-24

(45)

Published

1996-02-20

(72)

Inventor

Kozhevatov I.E.Kulikova E.Kh.Cheragin N.P.

(73)

Holder

Kozhevatov Il'Ja Emel'Janovich

FABRY-PEROT OPTICAL FILTER Russian patent published in 1996 - IPC

Abstract RU 2054639 C1

FIELD: optical instrument making. SUBSTANCE: stabilization of optical length of an interval between mirrors of an interferometer is provided by sustaining a constant spatial position of maximums of an interference pattern of irradiation of a reference source at an output of the above mentioned interferometer. That allows to eliminate using a while light source, a modulator and one of correction units and to significantly simplify the other correction unit. EFFECT: simplified structure of filters. 1 cl, 1 dwg

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RU 2 054 639 C1

Authors

Kozhevatov I.E.

Kulikova E.Kh.

Cheragin N.P.

Dates

1996-02-20—Published

1992-12-24—Filed

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