Influence of electro-optical crystal flatness on indirect modulation signal for underwater blue-green laser communication | |
Han, Biao1,2; Wang, Wei1; Zheng, Yunqiang1; Shi, Kui1; Meng, Jiacheng1; Su, Yulong1; Wang, Tao1,2; Han, Yi1; Xie, Xiaoping1; Zhao, Wei1 | |
2019 | |
会议日期 | 2018-11-26 |
会议地点 | Hefei, China |
关键词 | Ocean optics Blue-green laser communication Optics at surfaces Roughness |
卷号 | 11068 |
DOI | 10.1117/12.2524680 |
英文摘要 | Indirect modulation with electro-optical crystal is a useful way to generate optical signal for underwater blue-green laser communication. However, as crystal surface is not strictly flat in practical application, light intensity distribution in the cross section is non-uniform, which would affect extinction ratio of modulated signal and system performance. In this letter, we study this issue with Monte Carlo method. The result shows that with the increase of crystal flatness, extinction ratio is decreasing dramatically, and it should be smaller than 0.78μm in order to make the extinction ratio greater than 10dB while 0.25μm for 20dB, 0.08μm for 30dB, and 0.025μm for 40dB. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only. |
产权排序 | 1 |
会议录 | Second Symposium on Novel Technology of X-Ray Imaging |
会议录出版者 | SPIE |
语种 | 英语 |
ISSN号 | 0277786X;1996756X |
ISBN号 | 9781510628267 |
WOS记录号 | WOS:000473327700074 |
内容类型 | 会议论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/31526] |
专题 | 光子网络技术研究室 |
作者单位 | 1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences (CSA), Xi'an; 710119, China; 2.University of Chinese Academy of Sciences, Beijing; 100049, China |
推荐引用方式 GB/T 7714 | Han, Biao,Wang, Wei,Zheng, Yunqiang,et al. Influence of electro-optical crystal flatness on indirect modulation signal for underwater blue-green laser communication[C]. 见:. Hefei, China. 2018-11-26. |
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