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Laser-induced anisotropy in terbium-gallium garnet

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Ga5O12 crystal when illuminated at the terbium ion resonance, becomes optically uniaxial. The optical axis is found to be along the beam-propagation axis. The origin of this symmetry breakdown is a thermal effect. Our observation of a conoscopic pattern is accounted for by a quadratic stress and refractive index distribution model. By spatial integration of the conoscopic pattern, the laser-induced stress birefringence variation as a function of the incident beam power is determined.

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Authors and Affiliations

  1. Laboratoire de Physique de l’Université de Bourgogne, Faculté des Sciences Mirande BP 400, 21011 Dijon Cedex, France (Fax: +33-038039/5971-5973, E-mail: chenx@jupiter.u-bourgogne.fr), , , , , , FR

    X. Chen & S. Gonzalez

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  1. X. Chen
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  2. S. Gonzalez
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Received: 11 May 1998

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Chen, X., Gonzalez, S. Laser-induced anisotropy in terbium-gallium garnet . Appl Phys B 67, 611–613 (1998). https://doi.org/10.1007/s003400050554

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  • DOI: https://doi.org/10.1007/s003400050554

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