Design on the optical screen target by using the line structured light laser

Hui Tian; Jin-ping Ni; Qian Lu; Hong-Wei Lu

doi:10.1117/12.897336

19 August 2011 Design on the optical screen target by using the line structured light laser

Hui Tian, Jin-ping Ni, Qian Lu, Hong-Wei Lu

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 81920H (2011) https://doi.org/10.1117/12.897336
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

The velocity and impacting position of a flying projectile is usually measured by optical screen target at the range of shooting range measurement. In order to improve the situation of low sensitivity and the small effective sensor area in available optical screen, a laser screen target is put forward in this paper, which takes the line structured light laser as the transmitter and the silicon PIN photodiode as the receiver. In present paper the performance of the optical screen transmitter and the distribution of light energy in the whole screen are analyzed, and the graph of distribution simulated by MATLAB is given. The sensitivity of the effective sensor area is analyzed and calculated. With the verification on air gun projectile, the design of the optical screen in the effective sensor area within 5m × 5m was able to detect air gun projectile. The result demonstrated that this optical screen woks with high sensitivity, high stability and reliability, and the effective sensor area of the measuring can reach to 10m × 10m for the rifle projectile measurement. The mechanical structure and the signal process circuit can also be used on multiple optical screens target and the large space detection for early warning.

Citation Download Citation

Hui Tian, Jin-ping Ni, Qian Lu, and Hong-Wei Lu "Design on the optical screen target by using the line structured light laser", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81920H (19 August 2011); https://doi.org/10.1117/12.897336

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