Photo-induced birefringence in optical fibres : a comparative study of low-bi and hi-bi fibres
Photo-induced birefringence in optical fibres : a comparative study of low-bi and hi-bi fibres
A study of photoinduced birefringence in bow-tie (stress-induced) high-birefringence (Hi-Bi) and low-birefringence (Lo-Bi) germanosilicate optical fibers is conducted by using 532-nm light. The study reveals that Hi-Bi fibers are insensitive to light polarized along the fast axis, in contrast to Lo-Bi fibers, which are photosensitive along both axes. The induced birefringence in Lo-Bi fibers is reversible, whereas the change in Hi-Bi fibers is permanent. The sign of the induced birefringence is established experimentally for the first time to our knowledge, and the significance of the results to models based on stress and/or glass defects is briefly discussed.
411-413
Bardal, S.
4f0a1e73-816e-403c-9cf1-c323608835c3
Kamal, A.
bee5e592-8cd0-4d1c-82d4-178cb3180e87
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
1992
Bardal, S.
4f0a1e73-816e-403c-9cf1-c323608835c3
Kamal, A.
bee5e592-8cd0-4d1c-82d4-178cb3180e87
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Bardal, S., Kamal, A. and Russell, P.St.J.
(1992)
Photo-induced birefringence in optical fibres : a comparative study of low-bi and hi-bi fibres.
Optics Letters, 17 (6), .
(doi:10.1364/OL.17.000411).
Abstract
A study of photoinduced birefringence in bow-tie (stress-induced) high-birefringence (Hi-Bi) and low-birefringence (Lo-Bi) germanosilicate optical fibers is conducted by using 532-nm light. The study reveals that Hi-Bi fibers are insensitive to light polarized along the fast axis, in contrast to Lo-Bi fibers, which are photosensitive along both axes. The induced birefringence in Lo-Bi fibers is reversible, whereas the change in Hi-Bi fibers is permanent. The sign of the induced birefringence is established experimentally for the first time to our knowledge, and the significance of the results to models based on stress and/or glass defects is briefly discussed.
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Published date: 1992
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Local EPrints ID: 78350
URI: http://eprints.soton.ac.uk/id/eprint/78350
ISSN: 0146-9592
PURE UUID: 0031d09d-09a9-4f05-8fb8-1a05527c76b4
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:12
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Author:
S. Bardal
Author:
A. Kamal
Author:
P.St.J. Russell
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