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Titolo:
Design of a phase-shifting optical feedback interferometer using an electrooptic modulator
Autore:
Servagent, N; Bosch, T; Lescure, M;
Indirizzi:
Ecole Mines, Dept Automat Control & Prod Syst, Nantes 3, France Ecole Mines Nantes France 3 utomat Control & Prod Syst, Nantes 3, France ENSEEIHT, LEN7, F-31071 Toulouse, France ENSEEIHT Toulouse France F-31071 NSEEIHT, LEN7, F-31071 Toulouse, France
Titolo Testata:
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
fascicolo: 5, volume: 6, anno: 2000,
pagine: 798 - 802
SICI:
1077-260X(200009/10)6:5<798:DOAPOF>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
SELF-MIXING INTERFERENCE; LASER-DIODE; SPECKLE VELOCIMETER; RANGE FINDER; COMPACT;
Keywords:
displacement measurement; optical feedback; optical sensor; semiconductor laser;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
--discip_EC--
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Servagent, N Ecole Mines, Dept Automat Control & Prod Syst, Nantes 3, France Ecole Mines Nantes France 3 l & Prod Syst, Nantes 3, France
Citazione:
N. Servagent et al., "Design of a phase-shifting optical feedback interferometer using an electrooptic modulator", IEEE S T QU, 6(5), 2000, pp. 798-802

Abstract

A laser sensor using optical feedback interferometry has been designed to measure displacements up to several micrometers, For this purpose, a lithium niobate crystal generates a phase shift in order to modulate at a frequency of 580 kHz the optical path difference between the sensor and the target. This setup has been calibrated by means of a commercial optical fiber sensor. The overall accuracy resulting is better than 65 nm for a 1-kHz sinusoidal motion of the target at 10 cm away from the sensor.

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Documento generato il 18/09/20 alle ore 17:09:28