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Low-cost fully integrated fiber Bragg grating interrogation system

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Abstract
Fiber Bragg gratings can be used for monitoring different parameters in a wide variety of materials and constructions. The interrogation of fiber Bragg gratings traditionally consists of an expensive and spacious peak tracking or spectrum analyzing unit which needs to be deployed outside the monitored structure. We present a dynamic low-cost interrogation system for fiber Bragg gratings which can be integrated with the fiber itself, limiting the fragile optical in- and out-coupling interfaces and providing a compact, unobtrusive driving and read-out unit. The reported system is based on an embedded Vertical Cavity Surface Emitting Laser (VCSEL) which is tuned dynamically at 1 kHz and an embedded photodiode. Fiber coupling is provided through a dedicated 45 degrees micromirror yielding a 90 in-the-plane coupling and limiting the total thickness of the fiber coupled optoelectronic package to 550 mu m. The red-shift of the VCSEL wavelength is providing a full reconstruction of the spectrum with a range of 2.5 nm. A few-mode fiber with fiber Bragg gratings at 850 nm is used to prove the feasibility of this low-cost and ultra-compact interrogation approach.
Keywords
dynamic, fiber Bragg grating, low-cost, integrated, interrogation, VCSEL, flexible optoelectronic package

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Chicago
Van Hoe, Bram, Erwin Bosman, Jeroen Missinne, Sandeep Kalathimekkad, G Lee, Z Yan, K Sugden, DJ Webb, Geert Van Steenberge, and Peter Van Daele. 2012. “Low-cost Fully Integrated Fiber Bragg Grating Interrogation System.” In Proceedings of Spie, the International Society for Optical Engineering, ed. J Canning and GD Peng. Vol. 8351. Bellingham, WA, USA: SPIE-INT SOC OPTICAL ENGINEERING.
APA
Van Hoe, B., Bosman, E., Missinne, J., Kalathimekkad, S., Lee, G., Yan, Z., Sugden, K., et al. (2012). Low-cost fully integrated fiber Bragg grating interrogation system. In J. Canning & G. Peng (Eds.), PROCEEDINGS OF SPIE, THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING (Vol. 8351). Presented at the 3rd Asia Pacific Optical Sensors Conference (APOS - 2012), Bellingham, WA, USA: SPIE-INT SOC OPTICAL ENGINEERING.
Vancouver
1.
Van Hoe B, Bosman E, Missinne J, Kalathimekkad S, Lee G, Yan Z, et al. Low-cost fully integrated fiber Bragg grating interrogation system. In: Canning J, Peng G, editors. PROCEEDINGS OF SPIE, THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING. Bellingham, WA, USA: SPIE-INT SOC OPTICAL ENGINEERING; 2012.
MLA
Van Hoe, Bram, Erwin Bosman, Jeroen Missinne, et al. “Low-cost Fully Integrated Fiber Bragg Grating Interrogation System.” Proceedings of Spie, the International Society for Optical Engineering. Ed. J Canning & GD Peng. Vol. 8351. Bellingham, WA, USA: SPIE-INT SOC OPTICAL ENGINEERING, 2012. Print.
@inproceedings{2959277,
  abstract     = {Fiber Bragg gratings can be used for monitoring different parameters in a wide variety of materials and constructions. The interrogation of fiber Bragg gratings traditionally consists of an expensive and spacious peak tracking or spectrum analyzing unit which needs to be deployed outside the monitored structure. We present a dynamic low-cost interrogation system for fiber Bragg gratings which can be integrated with the fiber itself, limiting the fragile optical in- and out-coupling interfaces and providing a compact, unobtrusive driving and read-out unit. The reported system is based on an embedded Vertical Cavity Surface Emitting Laser (VCSEL) which is tuned dynamically at 1 kHz and an embedded photodiode. Fiber coupling is provided through a dedicated 45 degrees micromirror yielding a 90 in-the-plane coupling and limiting the total thickness of the fiber coupled optoelectronic package to 550 mu m. The red-shift of the VCSEL wavelength is providing a full reconstruction of the spectrum with a range of 2.5 nm. A few-mode fiber with fiber Bragg gratings at 850 nm is used to prove the feasibility of this low-cost and ultra-compact interrogation approach.},
  articleno    = {83510U},
  author       = {Van Hoe, Bram and Bosman, Erwin and Missinne, Jeroen and Kalathimekkad, Sandeep and Lee, G and Yan, Z and Sugden, K and Webb, DJ and Van Steenberge, Geert and Van Daele, Peter},
  booktitle    = {PROCEEDINGS OF SPIE, THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING},
  editor       = {Canning, J and Peng, GD},
  isbn         = {9780819490278},
  issn         = {0277-786X},
  language     = {eng},
  location     = {Sydney, Australia},
  pages        = {8},
  publisher    = {SPIE-INT SOC OPTICAL ENGINEERING},
  title        = {Low-cost fully integrated fiber Bragg grating interrogation system},
  url          = {http://dx.doi.org/10.1117/12.914253},
  volume       = {8351},
  year         = {2012},
}

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