Controllable far-infrared-transmitting glass ceramics based on chalcogenide and halide

Xianghua Zhang; Hongli Ma; Jacques Lucas

doi:10.1117/12.533136

14 June 2004 Controllable far-infrared-transmitting glass ceramics based on chalcogenide and halide

Xianghua Zhang, Hongli Ma, Jacques Lucas

Proceedings Volume 5350, Optical Components and Materials; (2004) https://doi.org/10.1117/12.533136
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

New infrared transmitting glass ceramics based on the Ge-Sb-S-CsCl system have been studied. By selecting an appropriate glass composition, glass ceramics with different quantities of micro-crystals can be reproducibly obtained with different annealing temperatures and durations. The presence of crystals induces some additional losses in the short wavelength region, namely between 0.6 and 2 μm. However, the glass ceramics keep the same transmission as the original glass after 3 μm up to 11 μm. To our best knowledge, it is the first time that highly reproducible glass-ceramics based on chalcogenide glasses are obtained. Compared to the glass, the corresponding glass-ceramics show better resistance to fracture propagation. The feasibility of shaping the glass-ceramics by molding has also been demonstrated.

Citation Download Citation

Xianghua Zhang, Hongli Ma, and Jacques Lucas "Controllable far-infrared-transmitting glass ceramics based on chalcogenide and halide", Proc. SPIE 5350, Optical Components and Materials, (14 June 2004); https://doi.org/10.1117/12.533136

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