Homodyne demodulation scheme for fiber optic sensors using phase generated carrier

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Homodyne demodulation scheme for fiber optic sensors using phase generated carrier

Homodyne demodulation scheme for fiber optic sensors using phase generated carrier

Dandringe, A. / Tveten, A.B. / Giallorenzi, T.G.

The method has a large dynamic range, good linearity, and is capable of detecting phase shifts in the microradian range. The detection scheme obviates the phase tracker resetting problem encountered in active homodyn detection schemes. Two methods of producing the carrier are presented, one employing a piezoelectric stretcher, the other using current induced frequency modulation of the diode laser source. These two methods are compared.

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Title :

Homodyne demodulation scheme for fiber optic sensors using phase generated carrier

Additional title:

Homodyndemodulation fuer Lichtleitersensoren mit phasenerzeugtem Traeger

Contributors:

Dandringe, A. (author) / Tveten, A.B. (author) / Giallorenzi, T.G. (author)

Published in:

IEEE Journal of Quantum Electronics ; 18 , 10 ; 1647-1653

Publication date :

1982

Size :

7 Seiten, 9 Bilder, 8 Quellen

DOI :

https://doi.org/10.1109/JQE.1982.1071416

Type of media :

Article (Journal)

Type of material :

Print

Language :

English

Keywords :

DEMODULATION , SENSOR , LICHTLEITER , TRAEGERFREQUENZ , PHASE (SCHWINGUNG) , DYNAMIK , LINEARITAET , PHASENVERSCHIEBUNG , FREQUENZMODULATION , DIODENLASER , INTERFEROMETRIE , LASERMODULATION

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