Optical sensor interrogation with a blazed fiber Bragg grating and a charge-coupled device linear array

Alexander G. Simpson; Kaiming Zhou; Lin Zhang; Lorna Everall; Ian Bennion

doi:10.1364/AO.43.000033

Optical sensor interrogation with a blazed fiber Bragg grating and a charge-coupled device linear array

Alexander G. Simpson^*, Kaiming Zhou, Lin Zhang, Lorna Everall, Ian Bennion

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

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

Abstract

We present what is to our knowledge the first comprehensive investigation of the use of blazed fiber Bragg gratings (BFBGs) to interrogate wavelength division multiplexed (WDM) in-fiber optical sensor arrays. We show that the light outcoupled from the core of these BFBGs is radiated with sufficient optical power that it may be detected with a low-cost charge-coupled device (CCD) array. We present thorough system performance analysis that shows sufficient spectral-spatial resolution to decode sensors with a WDM separation of 75 ρm, signal-to-noise ratio greater than 45-dB bandwidth of 70 nm, and drift of only 0.1 ρm. We show the system to be polarization-state insensitive, making the BFBG-CCD spectral analysis technique a practical, extremely low-cost, alternative to traditional tunable filter approaches.

Original language	English
Pages (from-to)	33-40
Number of pages	8
Journal	Applied Optics
Volume	43
Issue number	1
DOIs	https://doi.org/10.1364/AO.43.000033
Publication status	Published - Jan 2004

Bibliographical note

© 2004 Optical Society of America
This paper was published in Applied optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-1-33. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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10.1364/AO.43.000033

Optical sensor interrogation with a blazed fiber Bragg grating and a charge-coupled device linear array
© 2004 Optical Society of America This paper was published in Applied optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-1-33. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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title = "Optical sensor interrogation with a blazed fiber Bragg grating and a charge-coupled device linear array",

abstract = "We present what is to our knowledge the first comprehensive investigation of the use of blazed fiber Bragg gratings (BFBGs) to interrogate wavelength division multiplexed (WDM) in-fiber optical sensor arrays. We show that the light outcoupled from the core of these BFBGs is radiated with sufficient optical power that it may be detected with a low-cost charge-coupled device (CCD) array. We present thorough system performance analysis that shows sufficient spectral-spatial resolution to decode sensors with a WDM separation of 75 ρm, signal-to-noise ratio greater than 45-dB bandwidth of 70 nm, and drift of only 0.1 ρm. We show the system to be polarization-state insensitive, making the BFBG-CCD spectral analysis technique a practical, extremely low-cost, alternative to traditional tunable filter approaches.",

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AU - Everall, Lorna

AU - Bennion, Ian

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Optical sensor interrogation with a blazed fiber Bragg grating and a charge-coupled device linear array

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