ТеО2 Crystals

TeO2 (Tellurium Dioxide) crystal is colorless, uniaxial crystal grown by Czochralski method from melt on seed. It has high refractive index (2.2-2.4), birefringence and high optical activity (20-500deg./mm depending on wavelength) and depending on seed properties it can be left-rotating or right-rotating. Also TeO2 crystals are distinguished on α- and β- structures. For acousto-optical purposes α-TeO2 is used and it generally calls as Paratellurite. It has tetragonal structure with a=b≠c and α=β=γ=90̊. High piezoelectric and optical activity is conditioned by the fact that paratellurite belongs to the point group D4=422.


Complete paratellurite physical characteristics you can find in Material properties part.


Owing to the unique properties we offer TeO2 crystals for wide application in Acousto-optics and Polarizing Optics.


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14th - 16th March 2017 - visit us at "Laser World of Photonics China 2017" fair in Shanghai, China. Hall 1 Booth 1735.

22 - 25 June 2015

June 2015 - visit us at "Laser World of Photonics 2015" fair in Munich, Germany.

Booth B1.439.


January 2015 - new edition of OptoIndex catalogue was published. You can find our company page here.