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Proceedings Paper

Study on the relation between optical scattering and porosity in transparent Nd/Yb:YAG ceramics
Author(s): Guoxi Jin; Benxue Jiang; Yanping Zeng; Jiang Li; Wenbing Liu; Jing Liu; Yubai Pan; Dazhi Sun
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Paper 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.

Paper Details

Date Published: 12 January 2012
PDF: 7 pages
Proc. SPIE 8206, Pacific Rim Laser Damage 2011: Optical Materials for High Power Lasers, 82061W (12 January 2012); doi: 10.1117/12.910375
Show Author Affiliations
Guoxi Jin, Shanghai Normal Univ. (China)
Benxue Jiang, Shanghai Institute of Ceramics (China)
Yanping Zeng, Shanghai Institute of Ceramics (China)
Jiang Li, Shanghai Institute of Ceramics (China)
Wenbing Liu, Shanghai Institute of Ceramics (China)
Jing Liu, Jiangsu Univ. (China)
Yubai Pan, Shanghai Institute of Ceramics (China)
Dazhi Sun, Shanghai Normal Univ. (China)

Published in SPIE Proceedings Vol. 8206:
Pacific Rim Laser Damage 2011: Optical Materials for High Power Lasers
Jianda Shao, Editor(s)

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