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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 17 — Sep. 1, 1998
  • pp: 1402–1404

Effects of drawing tension on the photosensitivity of Sn–Ge- and B–Ge-codoped core fibers

Nguyen Hong Ky, H. G. Limberger, R. P. Salathé, and F. Cochet  »View Author Affiliations


Optics Letters, Vol. 23, Issue 17, pp. 1402-1404 (1998)
http://dx.doi.org/10.1364/OL.23.001402


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Abstract

The influence of drawing tension on the formation of Bragg gratings in B–Ge- and Sn–Ge-codoped core fibers is investigated by transmission and stress measurements. With increasing drawing tension, the axial stress is reduced in the B–Ge-codoped core but increased in the Sn–Ge-codoped core. A higher drawing tension leads to a photosensitivity enhancement and an increase of the core stress during the grating formation in B–Ge-codoped fibers. For Sn–Ge-codoped fibers, increased drawing tension results in an UV-induced stress decrease accompanied by a reduction of the photosensitivity. The results are discussed on the basis of an UV-induced compaction of the core network.

© 1998 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2400) Fiber optics and optical communications : Fiber properties
(120.7000) Instrumentation, measurement, and metrology : Transmission
(260.1440) Physical optics : Birefringence

Citation
Nguyen Hong Ky, H. G. Limberger, R. P. Salathé, and F. Cochet, "Effects of drawing tension on the photosensitivity of Sn–Ge- and B–Ge-codoped core fibers," Opt. Lett. 23, 1402-1404 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-17-1402

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