Identification of the front or rear surface damage of the thin DKDP crystal | |
其他题名 | 薄片DKDP晶体前后表面损伤识别技术研究 |
Wan, Neng1,2; Da, Zhengshang1; Li, Hongguang1; Yuan, Suochao1 | |
作者部门 | 先进光学仪器研究室 |
2017-08-25 | |
发表期刊 | Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering |
ISSN | 10072276 |
卷号 | 46期号:8 |
产权排序 | 1 |
摘要 | On the basis of total internal reflection edge illumination, a method can be used to identify the damage on front or rear surface of the thin DKDP crystal by the birefringence of DKDP crystal. When an ultraviolet ray incidented upon a DKDP crystal whose thickness was 11 mm, a displacement of 254.738 μm (theoretical value) between o-ray and e-ray on the exit surface will be caused due to the birefringence of DKDP crystal. The damage located on the rear surface of DKDP had double-images, which could be modulated by polarizer placed in front of CCD camera. The damage located on the front surface of DKDP had a single-image, which couldn't be modulated by polarizer. The method had the ability of avoiding extracting the information of a damage repeatedly, and improving the accuracy of damage identification. The experiments demonstrate that the method can distinguish the damage on front or rear surface of the thin DKDP crystal whose thickness is 11 mm. © 2017, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved. |
DOI | 10.3788/IRLA201746.0817001 |
收录类别 | EI |
语种 | 中文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.opt.ac.cn/handle/181661/29458 |
专题 | 先进光学仪器研究室 |
作者单位 | 1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China 2.University of Chinese Academy of Sciences, Beijing; 100049, China |
推荐引用方式 GB/T 7714 | Wan, Neng,Da, Zhengshang,Li, Hongguang,et al. Identification of the front or rear surface damage of the thin DKDP crystal[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2017,46(8). |
APA | Wan, Neng,Da, Zhengshang,Li, Hongguang,&Yuan, Suochao.(2017).Identification of the front or rear surface damage of the thin DKDP crystal.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,46(8). |
MLA | Wan, Neng,et al."Identification of the front or rear surface damage of the thin DKDP crystal".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 46.8(2017). |
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