Highly sensitive harsh-environment sensor based on innovative long-period gratings

Jon Lee; Corey A. Hahn; Sung-Hyun Nam; Bo Wang; Karl M. Reichard; David H. Ditto; Drew Glista; Qing Wang; Shizhuo Yin

doi:10.1117/12.572596

14 December 2004 Highly sensitive harsh-environment sensor based on innovative long-period gratings

Jon Lee, Corey A. Hahn, Sung-Hyun Nam, Bo Wang, Karl M. Reichard, David H. Ditto, Drew Glista, Qing Wang, Shizhuo Yin

Author Affiliations +

Proceedings Volume 5589, Fiber Optic Sensor Technology and Applications III; (2004) https://doi.org/10.1117/12.572596
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

In this paper, a unique all-fiber tunable filter based on the combination of single resonant band long period grating (LPG) and harsh environment electro-optic polymer second cladding layer is presented. The single resonant band LPG is used to select the resonant wavelength and the tuning of resonant wavelength is realized by changing the refractive index of electro-optic polymer cladding layer via external electric field. Although the basic operational principle and implementation of this unique tunable filter have been previously reported by authors, this paper is focused on athermal operation design and synthesis of harsh environment electro-optic polymer, which enhances the practicability of proposed tunable filter.

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Jon Lee, Corey A. Hahn, Sung-Hyun Nam, Bo Wang, Karl M. Reichard, David H. Ditto, Drew Glista, Qing Wang, and Shizhuo Yin "Highly sensitive harsh-environment sensor based on innovative long-period gratings", Proc. SPIE 5589, Fiber Optic Sensor Technology and Applications III, (14 December 2004); https://doi.org/10.1117/12.572596

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