Phase-sensitive interrogation of fiber Bragg grating resonators for sensing applications

Jong H. Chow; Ian C.M. Littler; Glenn de Vine; David E. McClelland; Malcolm B. Gray

doi:10.1109/JLT.2005.846895

Phase-sensitive interrogation of fiber Bragg grating resonators for sensing applications

Jong H. Chow^*, Ian C.M. Littler, Glenn de Vine, David E. McClelland, Malcolm B. Gray

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

76 Citations (Scopus)

Abstract

This paper discusses a phase-sensitive technique for remote interrogation of passive Bragg grating Fabry-Pérot resonators. It is based on Pound-Drever-Hall (PDH) laser frequency locking, using radio-frequency phase modulation sidebands to derive an error signal from the complex optical response, near resonance, of a Fabry-Pérot interferometer. We examine how modulation frequency and resonance bandwidth affect this error signal. Experimental results are presented that demonstrate, when the laser is locked, this method detects differential phase shifts in the optical carrier relative to its sidebands, due to minute fiber optical path displacements.

Original language	English
Pages (from-to)	1881-1889
Number of pages	9
Journal	Journal of Lightwave Technology
Volume	23
Issue number	5
DOIs	https://doi.org/10.1109/JLT.2005.846895
Publication status	Published - May 2005

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title = "Phase-sensitive interrogation of fiber Bragg grating resonators for sensing applications",

abstract = "This paper discusses a phase-sensitive technique for remote interrogation of passive Bragg grating Fabry-P{\'e}rot resonators. It is based on Pound-Drever-Hall (PDH) laser frequency locking, using radio-frequency phase modulation sidebands to derive an error signal from the complex optical response, near resonance, of a Fabry-P{\'e}rot interferometer. We examine how modulation frequency and resonance bandwidth affect this error signal. Experimental results are presented that demonstrate, when the laser is locked, this method detects differential phase shifts in the optical carrier relative to its sidebands, due to minute fiber optical path displacements.",

keywords = "Bragg grating interrogation, Bragg grating resonator, Fiber Fabry-P{\'e}rot (FFP), Fiber resonator, Fiber sensor, Frequency locking, Nanostrain, Picostrain, Strain sensor",

author = "Chow, {Jong H.} and Littler, {Ian C.M.} and {de Vine}, Glenn and McClelland, {David E.} and Gray, {Malcolm B.}",

year = "2005",

month = may,

doi = "10.1109/JLT.2005.846895",

language = "English",

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AU - Chow, Jong H.

AU - Littler, Ian C.M.

AU - de Vine, Glenn

AU - McClelland, David E.

AU - Gray, Malcolm B.

PY - 2005/5

Y1 - 2005/5

N2 - This paper discusses a phase-sensitive technique for remote interrogation of passive Bragg grating Fabry-Pérot resonators. It is based on Pound-Drever-Hall (PDH) laser frequency locking, using radio-frequency phase modulation sidebands to derive an error signal from the complex optical response, near resonance, of a Fabry-Pérot interferometer. We examine how modulation frequency and resonance bandwidth affect this error signal. Experimental results are presented that demonstrate, when the laser is locked, this method detects differential phase shifts in the optical carrier relative to its sidebands, due to minute fiber optical path displacements.

AB - This paper discusses a phase-sensitive technique for remote interrogation of passive Bragg grating Fabry-Pérot resonators. It is based on Pound-Drever-Hall (PDH) laser frequency locking, using radio-frequency phase modulation sidebands to derive an error signal from the complex optical response, near resonance, of a Fabry-Pérot interferometer. We examine how modulation frequency and resonance bandwidth affect this error signal. Experimental results are presented that demonstrate, when the laser is locked, this method detects differential phase shifts in the optical carrier relative to its sidebands, due to minute fiber optical path displacements.

KW - Bragg grating interrogation

KW - Bragg grating resonator

KW - Fiber Fabry-Pérot (FFP)

KW - Fiber resonator

KW - Fiber sensor

KW - Frequency locking

KW - Nanostrain

KW - Picostrain

KW - Strain sensor

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EP - 1889

JO - Journal of Lightwave Technology

JF - Journal of Lightwave Technology

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Phase-sensitive interrogation of fiber Bragg grating resonators for sensing applications

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