Technical Physics

, Volume 59, Issue 11, pp 1674–1678 | Cite as

Specific features of the formation of optical waveguides in silicate glass at high energy and doze of electron irradiation

Optics

Abstract

The formation of an optical waveguide in silicate glass that contains alkali-metal ions is experimentally studied under electron irradiation at an energy of 50 keV and a doze of 25–50 mC/cm2. A gradient waveguide with a maximum variation in the refractive index of 0.01–0.04 is formed in the glass due to irradiation. It is demonstrated that a variation in the refractive index results from both field migration of alkalimetal ions to the region of negative space charge and structural modifications in the glass related to the destruction of glass structure by high-energy electrons.

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • O. A. Podsvirov
    • 1
  • A. I. Sidorov
    • 2
  • D. V. Churaev
    • 1
  1. 1.St. Petersburg State Polytechnical UniversitySt. PetersburgRussia
  2. 2.St. Petersburg National Research University of Information Technologies, Mechanics, and OpticsSt. PetersburgRussia

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