Novel design method for pulse laser reception circuit based on PIN

Tao Zhang; Bin Wu; Chang-jie Liu

doi:10.1117/12.865949

11 October 2010 Novel design method for pulse laser reception circuit based on PIN

Tao Zhang, Bin Wu, Chang-jie Liu

Proceedings Volume 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 76567E (2010) https://doi.org/10.1117/12.865949
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

Pulsed Laser Ranging is suitable for industrial security and surveillance applications for its high measuring speed, large instantaneous power, long measuring distance, no cooperative targets and good privacy. In this paper, the overall plan of industry security monitoring system which is based on Time of Flight (TOF) pulse laser distance measuring equipment is introduced. Meanwhile, the part of pulse laser receiving circuit was mainly studied. In order to improve the precision of the system, the pulse laser needs a smaller pulse width. This means that the receiving circuit must have wider bandwidth and higher gain for measuring longer distance. The structural characteristics of PIN are analyzed in this article, and improvements on the design of trans-impedance amplifier are made according to the need of the actual requirements. By the improvements, the trans-impedance amplifier shows higher bandwidth than before at the gain of about 110dB. Results from experiment show that the rise edge of the signal is made steeper by the change of the circuit, and that the precision of measurement results is also increased.

Citation Download Citation

Tao Zhang, Bin Wu, and Chang-jie Liu "Novel design method for pulse laser reception circuit based on PIN", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76567E (11 October 2010); https://doi.org/10.1117/12.865949

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KEYWORDS

Amplifiers

Capacitance

Pulsed laser operation

Distance measurement

Resistance

Signal to noise ratio

Signal processing

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