Study on the relation between optical scattering and porosity in transparent Nd/Yb:YAG ceramics

Guoxi Jin; Benxue Jiang; Yanping Zeng; Jiang Li; Wenbing Liu; Jing Liu; Yubai Pan; Dazhi Sun

doi:10.1117/12.910375

12 January 2012 Study on the relation between optical scattering and porosity in transparent Nd/Yb:YAG ceramics

Guoxi Jin, Benxue Jiang, Yanping Zeng, Jiang Li, Wenbing Liu, Jing Liu, Yubai Pan, Dazhi Sun

Proceedings Volume 8206, Pacific Rim Laser Damage 2011: Optical Materials for High Power Lasers; 82061W (2012) https://doi.org/10.1117/12.910375
Event: Pacific Rim Laser Damage Symposium: Optical Materials for High Power Lasers, 2011, Shanghai, China

Abstract

The relationship between optical scattering losses and microstructure, especially inside pores distribution, was studied in transparent Nd:YAG and Yb:YAG ceramics. Specimens with different transmittance values were fabricated by vacuum sintering from 1730°C to 1760°C for 30 to 50 h through a solid-state reaction method. Light scattering losses were calculated from transmittance values measured by UV-Vis-IR spectrophotometer. Micromechanism, including inside pores and grains on etched surfaces, was characterized via high magnification optical microscope. The porosities were also counted in microscope observation. Curves of the relations between scattering losses (or transmittances) and porosities were obtained. In addition, the genesis of inside pores and the process of exhaust were discussed in this paper.

Citation Download Citation

Guoxi Jin, Benxue Jiang, Yanping Zeng, Jiang Li, Wenbing Liu, Jing Liu, Yubai Pan, and Dazhi Sun "Study on the relation between optical scattering and porosity in transparent Nd/Yb:YAG ceramics", Proc. SPIE 8206, Pacific Rim Laser Damage 2011: Optical Materials for High Power Lasers, 82061W (12 January 2012); https://doi.org/10.1117/12.910375

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