Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22924
Title: In-line photonic crystal fiber optofluidic refractometer
Authors: Wu, C
Tse, MLV
Liu, Z
Zhang, AP 
Guan, BO
Tam, HY 
Keywords: Fiber-optic sensor
Optofluidics
Photonic crystal fiber
Issue Date: 2014
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2014, v. 9157, 91578H How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We report the fabrication and characterization of an in-line photonic crystal fiber optofluidic refractometer assisted by a C-shaped fiber. The C-shaped fiber spliced between the PCF and the SMF enables simultaneous in-line optical signal delivery and analyte fluid feeding. Using an arc discharge technique, we achieve selective exploitation of only the central two voids of the PCF for microfluidic sensing. Based on a Sagnac interferometer, a highly sensitive refractometer with sensitivity of 8699 nm/RIU and detection limit of 10-6 for RI around 1.333 was achieved experimentally, which agrees well with the theoretical value of 8675 nm/RIU.
Description: 23rd International Conference on Optical Fibre Sensors, Santander, 2-6 June 2014
URI: http://hdl.handle.net/10397/22924
ISBN: 9781628411751
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.2059598
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