Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36193
Title: Towards high sensitivity gas detection with hollow-core photonic bandgap fibers
Authors: Yang, F
Jin, W 
Cao, YC
Ho, HL
Wang, YP
Issue Date: 2014
Publisher: Optical Society of America
Source: Optics express, 2014, v. 22, no. 20, p. 24894-24907 How to cite?
Journal: Optics express 
Abstract: This paper investigates the effect of modal interference on the performance of hollow-core photonic bandgap fiber (HC-PBF) gas sensors. By optimizing mode launch, using proper length of sensing HC-PBF, and applying proper wavelength modulation in combination with lock-in detection, as well as appropriate digital signal processing, an estimated lower detection limit of less than 1 part-per-million by volume (ppmv) acetylene is achieved.
URI: http://hdl.handle.net/10397/36193
ISSN: 1094-4087
DOI: 10.1364/OE.22.024894
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