Free Space Ranging Utilizing Chaotic Light

Author:

Zhao Tong12ORCID,Wang Bing-jie12,Wang Yun-cai12,Chang Xiao-ming12

Affiliation:

1. Key Laboratory of Advanced Transducers & Intelligent Control System, Ministry of Education, Shanxi, China

2. Institute of Optoelectronic Engineering, College of Physics & Optoelectronics, Taiyuan University of Technology, No. 79 Yingze West Street, Taiyuan, Shanxi, China

Abstract

We report our recent works on free space ranging with chaotic light. Using a laser diode with optical feedback as chaotic source, a prototype of chaotic lidar has been developed and it can achieve a range-independent resolution of 18 cm and measurable distance of 130 m at least. And its antijamming performance is presented experimentally and numerically. Finally, we, respectively, employ the wavelet denoising method and the correlation average discrete-component elimination algorithm to detect the chaotic signal in noisy environment and suppress the side-lobe noise of the correlation trace.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

General Engineering,General Mathematics

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