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Title: Photothermal effect in gas-filled hollow-core photonic bandgap fiber
Authors: Yang, F
Jin, W 
Cao, Y
Ho, HL
Keywords: Gas sensor
Microstructured fiber
Optical fiber sensor
Photonic bandgap fiber
Photonic crystal fiber
Photothermal effect
Issue Date: 2015
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, v. 9634, 96340W How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We exploit photothermal effect in gas-filled hollow-core photonic bandgap fibers, and demonstrate remarkably sensitive all-fiber (acetylene) gas sensors with noise equivalent concentration of 1-3 parts-per-billion and an unprecedented dynamic range of nearly six orders of magnitude. These results are two to three orders of magnitude better than previous direct absorption-based optical fiber gas sensors. The realization of photothermal spectroscopy in fiber-optic format will allow a new class of sensors with ultra-sensitivity and selectivity, compact size, remote and multiplexed multi-point detection capability.
ISBN: 9781628418392
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.2194819
Appears in Collections:Conference Paper

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