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2 142 117

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IPC

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Application

98117697/28, 1998-09-17

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Start date

1998-09-17

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Actual filing date

1998-09-17

(45)

Published

1999-11-27

(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

MICRORESONATOR FIBER-OPTICAL TRANSMITTER OF ANGULAR DISPLACEMENTS Russian patent published in 1999 - IPC

Abstract RU 2142117 C1

FIELD: measurement technology. SUBSTANCE: proposed transmitter includes sensitive element unit made fast to immobile object and microresonator placed on mobile object. Sensitive element unit incorporates fiber- optical laser, autocollimator, photodetector and information processing unit. Frequency of self-excited oscillations of laser practically matches resonance frequency of microresonator. Self-excitation mode in system " fiber-optical laser-autocollimator- microresonator " is realized thanks to modulation of amplitude of reflection factor due to photo-induced angular deviations of microresonator. With angular displacement of mobile object with regard to immobile one angle between axis of collimated beam and normal to surface of microresonator changes by certain value which leads to change of frequency of self-excited oscillations recorded by information processing unit. EFFECT: provision for increased precision and sensitivity. 1 dwg

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RU 2 142 117 C1

Authors

Burkov V.D.

Gorish A.V.

Egorov F.A.

Koptev Ju.N.

Kuznetsova V.I.

Malkov Ja.V.

Potapov V.T.

Dates

1999-11-27—Published

1998-09-17—Filed

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