Study on the influence and disposal method of the micro-cracks of optical components

Xiao-ping Chen; Bin Xuan; Peng Wang; Jun-feng Li; Shu-mei Song; Hong Zhang; Jing-jiang Xie

doi:10.1117/12.830795

20 May 2009 Study on the influence and disposal method of the micro-cracks of optical components

Xiao-ping Chen, Bin Xuan, Peng Wang, Jun-feng Li, Shu-mei Song, Hong Zhang, Jing-jiang Xie

Proceedings Volume 7282, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 72820D (2009) https://doi.org/10.1117/12.830795
Event: AOMATT 2008 - 4th International Symposium on Advanced Optical Manufacturing, 2008, Chengdu, Chengdu, China

Abstract

Micro-crack is one of the most effective factor to the intensity and service life of optical components. Owing to the micro-crack on surface, actual strength of optical components is reduced severely, even less than ten-percent of its theoretical strength. According to fracture mechanics, the mechanisms of the formation and propagation of micro-crack and the growth theory of sub-critical micro-crack are discussed in the paper firstly. Based on practice, an on-line test method disposing etching holes-the molecule-infiltrating method and the principles of acid-etching method disposing micro-crack are described. Followed by the demolishing mechanism of abrasives and a more reasonable removal redundancy of fine-grinding and polishing during ,optical production is given by using abrasives in different-size orderly.

Citation Download Citation

Xiao-ping Chen, Bin Xuan, Peng Wang, Jun-feng Li, Shu-mei Song, Hong Zhang, and Jing-jiang Xie "Study on the influence and disposal method of the micro-cracks of optical components", Proc. SPIE 7282, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 72820D (20 May 2009); https://doi.org/10.1117/12.830795

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