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题名:
Application of DBPIP to Phase Errors Detection in Coherent Beam Combination
作者: Wang Xiaohua; Shen Feng
出版日期: 2010
会议名称: Proceedings of the SPIE - The International Society for Optical Engineering
会议日期: 2010
通讯作者: Wang Xiaohua
中文摘要: A new phase sensing technique is used to beam combining, which is called DBPIP (the Displacement of the Brightest Point of the Interference Pattern). DBPIP is a method of detecting piston errors between two beams based on the far-field interference pattern. It finds the position of the brightest point of the interference pattern, and then calculates the related piston errors. The advantage of DBPIP is very convenient using to detect the piston aberration in a coherent beam combination (CBC) system. Theoretically, only a few iterations can compensate the piston error completely if we get the diffractive pattern image of enough resolution. The simulation results represent that, one iteration is enough to correct the piston error to less than lambda /20; if higher accuracy is required, such as less than lambda /50, two iterations is enough. Moreover, this technique can also compensate the tilt aberrations of beams in a few iterations.
英文摘要: A new phase sensing technique is used to beam combining, which is called DBPIP (the Displacement of the Brightest Point of the Interference Pattern). DBPIP is a method of detecting piston errors between two beams based on the far-field interference pattern. It finds the position of the brightest point of the interference pattern, and then calculates the related piston errors. The advantage of DBPIP is very convenient using to detect the piston aberration in a coherent beam combination (CBC) system. Theoretically, only a few iterations can compensate the piston error completely if we get the diffractive pattern image of enough resolution. The simulation results represent that, one iteration is enough to correct the piston error to less than lambda /20; if higher accuracy is required, such as less than lambda /50, two iterations is enough. Moreover, this technique can also compensate the tilt aberrations of beams in a few iterations.
收录类别: Ei ; ISTP
语种: 英语
卷号: 7656
文章类型: 会议论文
页码: 76564Q (9 pp.)
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7740
Appears in Collections:自适应光学技术研究室(八室)_会议论文

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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Wang Xiaohua,Shen Feng. Application of DBPIP to Phase Errors Detection in Coherent Beam Combination[C]. 见:Proceedings of the SPIE - The International Society for Optical Engineering. 2010.
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