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题名:
Characterization of the phase modulation property of a free-space electro-optic modulator by interframe intensity correlation matrix
作者: Yue, Huimin1; Song, Lei1; Hu, Zexiong1; Liu, Hongxiang2; Liu, Yong1; Liu, Yongzhi1; Peng, Zengshou1
刊名: APPLIED OPTICS
出版日期: 2012-07-01
卷号: 51, 期号:19, 页码:4457-4462
文章类型: Article
英文摘要: Characterization of a phase modulator or phase shifter has always been an integral part of phase-modulating or phase-adjusting applications. We propose a simplified approach to characterize a phase modulator by investigating the performance of phase shifts from grabbed interferograms using the phase extraction method. After reviewing some phase analysis techniques, the interframe intensity correlation (IIC) matrix method is introduced to the investigation. The proposed strategy is illustrated by the measurement of a free-space electro-optic modulator (EOM). Placing the modulator in one arm of a Michelson interferometer, the global phase shifts are estimated by the IIC method from the phase-stepped interferograms. Experimental results demonstrate the tested EOM has a phase modulation response of at least 2 pi rad with a pi/20 rad modulation precision for lambda = 1064 nm. In addition, our method is applicable to various types of phase modulator or phase shifter calibration, e.g., electro-optic phase modulator, spatial light modulator, or piezoelectric transducer (PZT). (C) 2012 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: SHIFTING INTERFEROMETRY ; CALIBRATION ; ALGORITHM ; TRANSFORM ; STEP
收录类别: SCI
语种: 英语
WOS记录号: WOS:000306100100024
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2347
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Yue, Huimin,Song, Lei,Hu, Zexiong,et al. Characterization of the phase modulation property of a free-space electro-optic modulator by interframe intensity correlation matrix[J]. APPLIED OPTICS,2012,51(19):4457-4462.
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