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Thermal Imaging and Conoscopic Studies of Working Acousto-optical Devices on the Base of Paratellurite

  • Sergey Tretiakov
  • Alexander Kolesnikov
  • Ivan Kaplunov
  • Rostislav Grechishkin
  • Konstantin YushkovEmail author
  • Ekaterina Shmeleva
Article

Abstract

In the present work we performed a study of the temperature field distribution in acousto-optic elements using infrared thermal vision instruments and compared the results with those obtained by conoscopic observations made by means of custom-built laser interferometer. The latter technique is especially suited for the sensitive detection of optical anomalies arising due to temperature-induced variations of ordinary and extraordinary refraction indices inside the material. Collation of the thermal and optical patterns provided a possibility of attributing the occurrence of anomalous biaxiality to the effect of thermal stresses developing in the acousto-optic elements during their operation.

Keywords

Acousto-optics Conoscopy Paratellurite Temperature fields  

Notes

Acknowledgments

The work was carried out with financial support in part from the Federal Target Program “Research and Development in the Priority Directions of Scientific Engineering Complex of Russia for 2014-2020” (Agreement 14.574.21.0113) and in part from the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST “MISiS” (Project K1-2014-008).

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Sergey Tretiakov
    • 1
  • Alexander Kolesnikov
    • 1
    • 2
  • Ivan Kaplunov
    • 1
  • Rostislav Grechishkin
    • 1
    • 2
  • Konstantin Yushkov
    • 2
    Email author
  • Ekaterina Shmeleva
    • 1
  1. 1.Tver State UniversityTverRussia
  2. 2.National University of Science and Technology “MISIS”MoscowRussia

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