Passive interrogation of low-finesse Fabry-Perot cavities using fiber Bragg gratings

Passive interrogation of low-finesse Fabry-Perot cavities using fiber Bragg gratings

An investigation on the application of fiber Bragg gratings for the interrogation of interferometric low-finesse Fabry-Perot cavities is reported. The proposed scheme is based on the generation of two quadrature phase-shifted signals that allows the recovering of the change in the cavity length. Bes...

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Veröffentlicht in:IEEE photonics technology letters 2001-09, Vol.13 (9), p.990-992
Hauptverfasser: Dahlem, M., Santos, J.L., Ferreira, L.A., Araujo, F.M.
Format: Artikel
Sprache:eng
Schlagworte:
Bragg gratings
Fabry-Perot
Fibers
Flexibility
Holes
Interrogation
Lighting
Optical fiber sensors
Optical interferometry
Optical refraction
Optical sensors
Optical signal processing
Phase shifting interferometry
Quadratures
Recovering
Resonance
Signal generators
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Beschreibung
Zusammenfassung:An investigation on the application of fiber Bragg gratings for the interrogation of interferometric low-finesse Fabry-Perot cavities is reported. The proposed scheme is based on the generation of two quadrature phase-shifted signals that allows the recovering of the change in the cavity length. Besides being totally passive, this technique offers a high degree of flexibility and has the potential to be used in the interrogation of very short cavities.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.942670