Radiation-Induced Absorption of Light in Undoped-Silica-Core Optical Fibers in the Near-Infrared Range: Effect of Drawing Conditions


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Eight identical undoped-silica-core, fluorosilicate-cladding preforms have been drawn into optical fibers under different drawing regimes (temperature T, tension, and speed). Next, the fibers have been γ-irradiated, with radiation-induced absorption (RIA) of light measured at the wavelength λ = 1.55 µm and at the dose of 2.5 kGy (7.4–7.6 Gy/s). RIA is found to strongly increase with an increase in T, which proves to be the main drawing parameter determining the fiber radiation resistance. It is established that the RIA dependence on T−1 is exponential.

作者简介

P. Kashaykin

Fiber Optics Research Center of the Russian Academy of Sciences

Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 38 Vavilov St., Moscow, 119333

A. Tomashuk

Fiber Optics Research Center of the Russian Academy of Sciences

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Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 38 Vavilov St., Moscow, 119333

M. Salgansky

Fiber Optics Research Center of the Russian Academy of Sciences; G. G. Devyatykh Institutute of Chemistry of High-Purity Substances of the Russian Academy of Sciences

Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 38 Vavilov St., Moscow, 119333; 49 Tropinin St., Nizhny Novgorod, 603951

N. Vechkanov

G. G. Devyatykh Institutute of Chemistry of High-Purity Substances of the Russian Academy of Sciences

Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 49 Tropinin St., Nizhny Novgorod, 603951

A. Guryanov

G. G. Devyatykh Institutute of Chemistry of High-Purity Substances of the Russian Academy of Sciences

Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 49 Tropinin St., Nizhny Novgorod, 603951

A. Kosolapov

Fiber Optics Research Center of the Russian Academy of Sciences

Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 38 Vavilov St., Moscow, 119333

S. Semjonov

Fiber Optics Research Center of the Russian Academy of Sciences

Email: tomashuk@fo.gpi.ru
俄罗斯联邦, 38 Vavilov St., Moscow, 119333

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