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题名:
Experimental underwater scanning imaging system using pulsed blue-green lasers
作者: Wang LEi; Xu Zhi-Yong; Zhang Qi-Heng; Wang Hua-Chuang; Yu Xue-Gang; Nie Rui-Jie
出版日期: 2011
会议名称: Proceedings of SPIE - The International Society for Optical Engineering, v 8192, 2011, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging
会议日期: 2011
通讯作者: Wang LEi
中文摘要: A new, simple and compact experimental laser scanning imaging system is introduced for underwater imaging, and the characteristics of the system are analyzed in this paper. The system consists of the illuminator, optical scanning system, optical receiving system, narrow band filters, high-sensitivity gated image sensor, synchronous control and data acquisition system and power supply and cooling system. The illuminator is a lump-pumped, Q-switched, frequency doubled Nd:YAG pulsed laser operating at 532 nm with a frequency of 50 Hz. The receiver is a self-made gated intensified charge coupled device (ICCD). As a result, gated super Gen-II image intensifier and PAL format charge-coupled device (CCD) camera are assembled to meet the requirements. The coupling gated ICCD has a sensitivity of approximated 10-5lx, and the minimum gate width can reach to 40 ns. And a set of scanning structure which only uses one mirror is used in the experimental system. In addition, the performance parameters are listed. Finally, the detection capabilities of the imaging system are theoretically analyzed in typical seawater. The analysis indicates that the detection depth of the system can reach to 16 m in the clear seawater.
英文摘要: A new, simple and compact experimental laser scanning imaging system is introduced for underwater imaging, and the characteristics of the system are analyzed in this paper. The system consists of the illuminator, optical scanning system, optical receiving system, narrow band filters, high-sensitivity gated image sensor, synchronous control and data acquisition system and power supply and cooling system. The illuminator is a lump-pumped, Q-switched, frequency doubled Nd:YAG pulsed laser operating at 532 nm with a frequency of 50 Hz. The receiver is a self-made gated intensified charge coupled device (ICCD). As a result, gated super Gen-II image intensifier and PAL format charge-coupled device (CCD) camera are assembled to meet the requirements. The coupling gated ICCD has a sensitivity of approximated 10-5lx, and the minimum gate width can reach to 40 ns. And a set of scanning structure which only uses one mirror is used in the experimental system. In addition, the performance parameters are listed. Finally, the detection capabilities of the imaging system are theoretically analyzed in typical seawater. The analysis indicates that the detection depth of the system can reach to 16 m in the clear seawater.
收录类别: Ei
语种: 英语
卷号: 8192
文章类型: 会议论文
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7686
Appears in Collections:光电探测与信号处理研究室(五室)_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 LEi,Xu Zhi-Yong,Zhang Qi-Heng,et al. Experimental underwater scanning imaging system using pulsed blue-green lasers[C]. 见:Proceedings of SPIE - The International Society for Optical Engineering, v 8192, 2011, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging. 2011.
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