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Title: Perfluorinated graded-index plastic optical fiber bragg gratings: observation and theoretical analysis of unique dependence on pressure
Authors: Ishikawa, Ryo 
Lee, Heeyoung 
Lacraz, Amédéé 
Theodosiou, Antreas 
Kalli, Kyriacos 
Mizuno, Yosuke 
Nakamura, Kentaro 
Keywords: Fiber Bragg gratings;Fiber optic sensors;Optical fibers;Bragg wavelength;Plastic optical fibers;Graded index plastic optical fiber
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 19-Nov-2017
Publisher: IEEE
Source: 22nd Microoptics Conference, MOC 2017, Tokyo, Japan. 2017, 19-22 -November, pp. 224-225.
Conference: Microoptics Conference 
Abstract: The pressure dependence of a fiber Bragg grating (FBG) inscribed in a perfluorinated graded-index plastic optical fiber (POF) is investigated at 1550 nm. As pressure is applied, the Bragg wavelength shifts with a relatively long time constant (several tens of minutes) with a coefficient of 1.3 nm/MPa, which is over 5 times the highest value previously reported in other POF-FBGs). After the Bragg wavelength becomes constant at 0.5 MPa, the pressure-dependence coefficient is quickly measured to be -0.13 nm/MPa, the sign of which is opposite to those of other POF-FBGs. These unique behaviors are theoretically analyzed.
ISBN: 978-486348609-6
DOI: 10.23919/MOC.2017.8244567
Rights: © 2017 The Japan Society of Applied Physics.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια /Conference papers - poster -presentation

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