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Optics Letters

Optics Letters

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  • Vol. 32, Iss. 5 — Mar. 1, 2007
  • pp: 454–456

Bragg gratings photoinduced in ZBLAN fibers by femtosecond pulses at 800 nm

M. Bernier, D. Faucher, R. Vallée, A. Saliminia, G. Androz, Y. Sheng, and S. L. Chin  »View Author Affiliations


Optics Letters, Vol. 32, Issue 5, pp. 454-456 (2007)
http://dx.doi.org/10.1364/OL.32.000454


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Abstract

Fiber Bragg gratings were written in thulium-doped and undoped single-mode ZBLAN fibers by focusing femtosecond laser pulses on the fiber core through a phase mask. Maximum index modulation of the order of 1 × 10 3 was induced in both types of fibers. Measurements of the transverse refractive index changes across the core and cladding regions indicate that the grating formation originates from a negative index change.

© 2007 Optical Society of America

OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(230.1480) Optical devices : Bragg reflectors
(320.2250) Ultrafast optics : Femtosecond phenomena
(350.3390) Other areas of optics : Laser materials processing

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 2, 2006
Manuscript Accepted: November 6, 2006
Published: February 2, 2007

Citation
M. Bernier, D. Faucher, R. Vallée, A. Saliminia, G. Androz, Y. Sheng, and S. L. Chin, "Bragg gratings photoinduced in ZBLAN fibers by femtosecond pulses at 800 nm," Opt. Lett. 32, 454-456 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-5-454

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