Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23452
Title: Design of a high-birefringence two-core photonic crystal fiber for simultaneous measurement of pressure and temperature
Authors: Wu, C
Feng, ZW
Guan, BO
Tam, HY 
Keywords: High birefringence
Photonic crystal fiber
Pressure
Simultaneous measurement
Temperature
Two-core fiber
Issue Date: 2015
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2015, v. 9655, 965528 How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We propose and design a high-birefringence two-core photonic crystal fiber for simultaneous measurement of pressure and temperature. One core is centered, while the other is off-center. Both cores are made non-circular by properly modifying the sizes of some air-holes surrounding them. This introduces geometric modal birefringence to the fiber. When a broadband light launches into the centered core and transmits for a few centimeters, the output spectrum is sinusoid-like due to the intermodal coupling of the supermodes guided by the two cores. For x-polarized input light, we find it has a pressure sensitivity of -21.7 pm/MPa and a temperature sensitivity of 11.6 pm/°C; for y-polarized input light, we find it has a pressure sensitivity of 18.0 pm/MPa and a temperature sensitivity of 10.7 pm/°C. Hence, simultaneous measurement of pressure and temperature can be achieved by using a matrix method.
Description: 5th Asia-Pacific Optical Sensors Conference, APOS 2015, 20-22 May 2015
URI: http://hdl.handle.net/10397/23452
ISBN: 9781628418651
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.2182354
Appears in Collections:Conference Paper

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