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Effects of transverse strain in dips at 2/3 of the Bragg wavelength in a non-birefringent fibre Bragg grating

Yam, Sui Pan and Rollinson, Claire and Kitcher, Daniel J and Baxter, Gregory W and Collins, Stephen F (2006) Effects of transverse strain in dips at 2/3 of the Bragg wavelength in a non-birefringent fibre Bragg grating. In: Australian Institute of Physics (AIP) 17th National Congress 2006. Australian Institute of Physics, p. 390. ISBN 0959806474 (Submitted)

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Abstract

Two dips in the transmission spectrum of a 1550 nm fibre Bragg grating have been observed at 2/3 of the Bragg wavelength (λ2/3B, i.e. near 1030 nm) in a Bragg grating fabricated in non-birefringent single mode fibre using phase mask technology. It has been proposed that these features are due to the complex refractive index structure generated during the fabrication process. In non-birefringent fibre, transverse strain causes the Bragg wavelength peak to split due to the induced birefringence and we expect a similar phenomenon to happen at λ2/3B. Only one of the dips at λ2/3B became split and the separation increased linearly with transverse strain, whilst the other dip did not exhibit any splitting. The dip separation per change in applied load at 1030 nm was 2.3 pm/N, which is consistent with the dip separation per change in applied load at 1550 nm (3.8 pm/N), suggesting that the cause is induced birefringence.

Item Type: Book Section
Uncontrolled Keywords: ResPubID: 11774, transverse strain, longitudinal strain, Bragg wavelength, birefringent fibre, non-birefringent fibre
Subjects: FOR Classification > 0906 Electrical and Electronic Engineering
Faculty/School/Research Centre/Department > School of Engineering and Science
Depositing User: VUIR
Date Deposited: 19 Jan 2010 04:28
Last Modified: 21 Sep 2012 05:59
URI: http://vuir.vu.edu.au/id/eprint/2073
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