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Defects of different sizes in large paratellurite single crystals

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Abstract

Paratellurite single crystals have good acoustooptical properties that are important for various devices, such as deflectors, modulators, and tunable noncollinear filters. Paratellurite single crystals of up to 80 mm in diameter and 100 mm in height were grown using the Czochralski method from ultrapure melts. Optical anomalies in the grown crystals—gas bubbles, striations, impurity inclusions with nearby stresses, and regions with high dislocation densities—were studied with chemical, X-ray, and optical methods.

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Authors and Affiliations

  1. Tver State University, Sadovyi per. 35, Tver, 170002, Russia

    A. I. Kolesnikov, I. A. Kaplunov & I. A. Terent’ev

Authors
  1. A. I. Kolesnikov
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  2. I. A. Kaplunov
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  3. I. A. Terent’ev
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Translated from Kristallografiya, Vol. 49, No. 2, 2004, pp. 229–233.

Original Russian Text Copyright © 2004 by Kolesnikov, Kaplunov, Terent’ev.

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Kolesnikov, A.I., Kaplunov, I.A. & Terent’ev, I.A. Defects of different sizes in large paratellurite single crystals. Crystallogr. Rep. 49, 180–183 (2004). https://doi.org/10.1134/1.1690411

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  • DOI: https://doi.org/10.1134/1.1690411

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