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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 11 — Nov. 19, 2001
  • pp: 546–560

Effective-index increase, form birefringence and transition losses in UV-side-illuminated photosensitive fibers

Hagen Renner  »View Author Affiliations


Optics Express, Vol. 9, Issue 11, pp. 546-560 (2001)
http://dx.doi.org/10.1364/OE.9.000546


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Abstract

We present a simple variational method for the analysis of UV-side-illuminated single-mode fibers. We use a shiftable, two-dimensional elliptical Gaussian function as a field trial for the fundamental-mode. By this method, the actual UV-induced peak refractive-index increase can be quantitatively related to the measured effective-index increase. The asymmetry of the UV-induced refractive-index profile due to the absorption of the writing UV light causes both form birefringence and transition losses between UV-illuminated and non-illuminated fiber sections. These characteristics are easily calculated from the results of the variational method. We show that UV-illumination of the fiber from two opposite sides reduces both the form birefringence and the transition losses.

© Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2430) Fiber optics and optical communications : Fibers, single-mode

ToC Category:
Research Papers

History
Original Manuscript: September 27, 2001
Published: November 19, 2001

Citation
Hagen Renner, "Effective-index increase, form birefringence and transition losses in UV-side-illuminated photosensitive fibers," Opt. Express 9, 546-560 (2001)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-9-11-546


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