Gamma-induced transparency loss of thick quartz fibers

Eldar M. Gasanov; E. M. Ibragimova; Bekzad S. Yuldashev; Mukhsin Kh. Ashurov; Igor R. Rustamov

doi:10.1117/12.312673

2 July 1998 Gamma-induced transparency loss of thick quartz fibers

Eldar M. Gasanov, E. M. Ibragimova, Bekzad S. Yuldashev, Mukhsin Kh. Ashurov, Igor R. Rustamov

Proceedings Volume 3405, ROMOPTO '97: Fifth Conference on Optics; (1998) https://doi.org/10.1117/12.312673
Event: ROMOPTO '97: Fifth Conference on Optics, 1997, Bucharest, Romania

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.

Citation Download Citation

Eldar M. Gasanov, E. M. Ibragimova, Bekzad S. Yuldashev, Mukhsin Kh. Ashurov, and Igor R. Rustamov "Gamma-induced transparency loss of thick quartz fibers", Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); https://doi.org/10.1117/12.312673

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