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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 306-309 |
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Izadyar S M, Bahadory B. Investigation of Semiconductor Laser Diode Performance as an Optical Source of LIDAR System Used in Autonomous Cars. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :306-309
URL: http://opsi.ir/article-1-2365-en.html
URL: http://opsi.ir/article-1-2365-en.html
1- Department of Optics, Faculty of Science, University of Khayyam
Abstract: (914 Views)
In this paper, performance of semiconductor laser diode as an optical source of LIDAR systems is investigated which is used in self-driving cars. The most effective factor on LIDAR system performance is the laser source. A semiconductor laser diode is chosen as optical source of LIDAR system due to its remarkable characteristics. The semiconductor laser diode is modeled and simulated based on rate equations using 4th order Runge–Kutta method. Performance and improvement of LIDAR system are investigated due to bit-rate of laser signal. It is shown that semiconductor laser is capable of producing 400 kHz bit-rate signals in LIDAR systems with 16 to 64 lasers, and mega hertz bit-rate signals for one laser LIDAR systems with rotating mirror. Finally, effect of autonomous car speed is discussed on LIDAR system performance.
Keywords: Fourth order Rounge-Kutta method, LIDAR, rate equations, self-driving cars, semiconductor laser diode
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