Three-Dimensional Video Imaging Lidar System based on Acousto-Optic Laser Scanning

Yuan, 罗远 Luo; Yan, 贺岩 He; Shanjiang, 胡善江 Hu; Huaguo, 臧华国 Zang; Jianhua, 尚建华 Shang; Yuan, 万渊 Wan; Weibiao, 陈卫标 Chen

doi:10.3788/cjl201441.0802005

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Acoustic and Optical Scanning1

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2019

2023

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“…Acoustic-optical scanning is mainly performed by using the acoustic-optical effect to deflect the light beam [3]. The scanning device mainly includes the ultrasonic generator and the acoustic-optical crystal, and the principle is shown in Figure 1.…”

Section: Acoustic and Optical Scanningmentioning

confidence: 99%

Research of Non-mechanical Beam Scanning Technology

Wang

Lei

et al. 2023

J. Phys.: Conf. Ser.

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Laser beam scanning technology has been widely used in various fields such as LIDAR, photoelectric detection and space optical communication, etc. Mechanical scanning has problems such as inflexibility and low scanning rate. This paper introduces the basic principles of acoustic-optical scanning, electro-optical scanning, optical phased array and MEMS scanning, and analyses the advantages and disadvantages of several scanning methods and the main application scenarios, and finds that the current optical scanning technology is developing towards large scanning angle, high accuracy, fast response and miniaturization, among which the liquid crystal optical phased array and MEMS scanning technology are relatively mature. The scanning angle of the LCD optical phased array can reach ±10°, and the scanning angle of the MEMS can reach 6.6°*4.4°, which has a broad development prospect.

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Section: Acoustic and Optical Scanningmentioning

confidence: 99%