Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7451
Title: In-line microfluidic refractometer based on C-shaped fiber assisted photonic crystal fiber Sagnac interferometer
Authors: Wu, C
Tse, MLV
Liu, Z
Guan, BO
Lu, C 
Tam, HY 
Issue Date: 2013
Publisher: Optical Society of America
Source: Optics letters, 2013, v. 38, no. 17, p. 3283-3286 How to cite?
Journal: Optics letters 
Abstract: We propose and demonstrate a highly sensitive in-line photonic crystal fiber (PCF) microfluidic refractometer. Ultrathin C-shaped fibers are spliced in-between the PCF and standard single-mode fibers. The C-shaped fibers provide openings for liquid to flow in and out of the PCF. Based on a Sagnac interferometer, the refractive index (RI) response of the device is investigated theoretically and experimentally. A high sensitivity of 6621 nm/RIU for liquid RI from 1.330 to 1.333 is achieved in the experiment, which agrees well with the theoretical analysis.
URI: http://hdl.handle.net/10397/7451
ISSN: 0146-9592
EISSN: 1539-4794
DOI: 10.1364/OL.38.003283
Appears in Collections:Journal/Magazine Article

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