An improved three-dimensional non-scanning laser imaging system based on digital micromirror device

Wenze Xia; Shaokun Han; Jieyu Lei; Yu Zhai; Alexander N. Timofeev

doi:10.1117/12.2288218

10 January 2018 An improved three-dimensional non-scanning laser imaging system based on digital micromirror device

Wenze Xia, Shaokun Han, Jieyu Lei, Yu Zhai, Alexander N. Timofeev

Proceedings Volume 10616, 2017 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments; 106160T (2018) https://doi.org/10.1117/12.2288218
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Nowadays, there are two main methods to realize three-dimensional non-scanning laser imaging detection, which are detection method based on APD and detection method based on Streak Tube. However, the detection method based on APD possesses some disadvantages, such as small number of pixels, big pixel interval and complex supporting circuit. The detection method based on Streak Tube possesses some disadvantages, such as big volume, bad reliability and high cost. In order to resolve the above questions, this paper proposes an improved three-dimensional non-scanning laser imaging system based on Digital Micromirror Device. In this imaging system, accurate control of laser beams and compact design of imaging structure are realized by several quarter-wave plates and a polarizing beam splitter. The remapping fiber optics is used to sample the image plane of receiving optical lens, and transform the image into line light resource, which can realize the non-scanning imaging principle. The Digital Micromirror Device is used to convert laser pulses from temporal domain to spatial domain. The CCD with strong sensitivity is used to detect the final reflected laser pulses. In this paper, we also use an algorithm which is used to simulate this improved laser imaging system. In the last, the simulated imaging experiment demonstrates that this improved laser imaging system can realize three-dimensional non-scanning laser imaging detection.

Citation Download Citation

Wenze Xia, Shaokun Han, Jieyu Lei, Yu Zhai, and Alexander N. Timofeev "An improved three-dimensional non-scanning laser imaging system based on digital micromirror device", Proc. SPIE 10616, 2017 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 106160T (10 January 2018); https://doi.org/10.1117/12.2288218

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