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Experimental underwater scanning imaging system using pulsed blue-green lasers
Wang LEi; Xu Zhi-Yong; Zhang Qi-Heng; Wang Hua-Chuang; Yu Xue-Gang; Nie Rui-Jie
Volume8192
2011
Language英语
Indexed ByEi
Subtype会议论文
AbstractA 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.; 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.
Conference NameProceedings 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
Conference Date2011
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7686
Collection光电探测与信号处理研究室(五室)
Corresponding AuthorWang LEi
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Wang LEi,Xu Zhi-Yong,Zhang Qi-Heng,et al. Experimental underwater scanning imaging system using pulsed blue-green lasers[C],2011.
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2011-05-002.pdf(2821KB)会议论文 开放获取CC BY-NC-SAApplication Full Text
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