Paper
12 October 2010 Development of mini LD laser rangefinder
Jianfeng Wang, Zaixuan Zhang, Xiangdong Yu, Yongxing Jin, Changyu Shen, Yanqing Qiu
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Abstract
Development process of laser rangefinder is introduced briefly in this paper. Working principle of laser rangefinder and ranging equation is also discussed. Relationship between signal to noise ratio (SNR) and ranging capacity is analyzed. By using spectral filtering, spatial filtering, and cumulative technique, ranging distance can be improved. The maximum of ranging distance can reach 1000m in good weather conditions. Ranging accuracy of laser rangefinder is decided by forefront of laser pulse, response time of APD and bandwidth of amplifier. It is about 1m.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianfeng Wang, Zaixuan Zhang, Xiangdong Yu, Yongxing Jin, Changyu Shen, and Yanqing Qiu "Development of mini LD laser rangefinder", Proc. SPIE 7659, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Smart Structures and Materials in Manufacturing and Testing, 76590I (12 October 2010); https://doi.org/10.1117/12.865171
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KEYWORDS
Ranging

Pulsed laser operation

Laser development

Signal to noise ratio

Avalanche photodetectors

Radar

Spatial filters

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