Photo-induced birefringence in optical fibres : a comparative study of low-bi and hi-bi fibres
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), 411-413. (doi:10.1364/OL.17.000411).
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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.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||27 Mar 2014 18:58|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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