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2 169 904

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Application

98122815/28, 1998-12-17

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Start date

1998-12-17

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Actual filing date

1998-12-17

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Published

2001-06-27

(72)

Inventor

Burkov V.D.Gorish A.V.Egorov F.A.Koptev Ju.N.Kuznetsova V.I.Malkov Ja.V.Potapov V.T.

(73)

Holder

Moskovskij Gosudarstvennyj Universitet Lesa

FIBER-OPTICAL SELF-EXCITED OSCILLATOR Russian patent published in 2001 - IPC

Abstract RU 2169904 C2

FIELD: measurement technology. SUBSTANCE: invention can be used to measure temperature, pressure, acceleration, etc. Self-excited oscillator is built on basis of utilization of fiber-optical laser and Q- modulation of double-mirror optical resonator caused by photoinduced angular deviation of one of mirrors. Microresonator is used as this mirror. One face of single-mode light guide of fiber-optical laser is matched with autocollimator that forms light beam of certain dimension on reflecting surface of microresonator oriented at some angle with optical axis of incident beam. Second face of light guide is output face. Autocollimator is manufactured in the form of gradient rod lens and cylindrical lens. EFFECT: enhanced sensitivity and precision. 2 dwg

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RU 2 169 904 C2

Authors

Burkov V.D.

Gorish A.V.

Egorov F.A.

Koptev Ju.N.

Kuznetsova V.I.

Malkov Ja.V.

Potapov V.T.

Dates

2001-06-27—Published

1998-12-17—Filed

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