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Proceedings Paper

Gamma-induced transparency loss of thick quartz fibers
Author(s): Eldar M. Gasanov; E. M. Ibragimova; Bekzad S. Yuldashev; Mukhsin Kh. Ashurov; Igor R. Rustamov
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Paper Abstract

Radiation response of thick multimode Ge, P, F-doped quartz fiber has been examined after exposure to 60Co gamma-source within a dose interval of 10 - 107 Gy at a dose power of 2.3 and 24 Gy/s at 300 K. The induced transparency losses A at the wave length of 1.06 micrometers do not exceed 0.2 after a dose of 106 Gy and reach a saturation, while the fibers are closed for visible light after a smaller dose. Varying focus and an angle of leading a probe light beam in fiber, the core modes were found to close at a dose of 104 Gy due to radiation induced color centers of Ge and non-bridging oxygen O-, and the clad modes were suppressed at 500 Gy by the expense of Al impurity color centers.

Paper Details

Date Published: 2 July 1998
PDF: 9 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312673
Show Author Affiliations
Eldar M. Gasanov, Institute of Nuclear Physics (Uzbekistan)
E. M. Ibragimova, Institute of Nuclear Physics (Uzbekistan)
Bekzad S. Yuldashev, Institute of Nuclear Physics (Uzbekistan)
Mukhsin Kh. Ashurov, Scientific Association Phonon (Uzbekistan)
Igor R. Rustamov, Scientific Association Phonon (Uzbekistan)


Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics

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