Abdulhalim, I., Pannell, C.N., Deol, R.S., Hewak, D.W., Wylangowski, G. and Payne, D.N.
High performance acousto-optic chalcogenide glass based on Ga2S3-La2S3 systems
Journal of Non-Crystalline Solids, 164-166, (2), . (doi:10.1016/0022-3093(93)91228-U).
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Chalcogenide glass systems based on Ga2S3-La2S3(GLS glass), have been found to exhibit relatively high acousto-optic figures of merit, low acoustic loss and high acoustic velocity. These properties of the GLS glass combined with its transparency both in the visible and the infrared (0.5-10µm), nontoxicity, high softening temperature (Tg = 561°C), ease of fabrication, optical quality, chemical stability, and isotropic properties, make it attractive for acousto-optic device applications.
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