Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/76397
Title: Advances in optical fiber photothermal interferometry for gas detection
Authors: Miao, YP 
Jin, W 
Yang, F 
Lin, YC 
Tan, YZ 
Ho, HL 
Keywords: Photothermal spectroscopy
Hollow-core photonics bandgap fiber
Gas sensor
Optical fiber interferometry
Optical fiber sensor
Issue Date: 2017
Publisher: 科學出版社
Source: 物理學報 (Acta physica Sinica), 2017, v. 66, no. 7, 74212 How to cite?
Journal: 物理學報 (Acta physica Sinica) 
Abstract: We report our recent work on the development of a highly sensitive gas detection technique-photothermal interferometry spectroscopy with hollow-core optical fibers. The basic principle of operation, generation and detection of dynamic photothermal phase modulation, and method to improve the response time of the hollow-core fiber sensors are described. The technique has ultra-high sensitivity and dynamic range, and the measurement is not affected by reflection/scattering and other non-absorbing losses. Sensors based on such a technique could be made compact in size with remote detection, multiplexing and networking capability, which would enable a range of high performance applications in environmental, medical and safety monitoring.
URI: http://hdl.handle.net/10397/76397
ISSN: 1000-3290
DOI: 10.7498/aps.66.074212
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