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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
|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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