Design Method for Laser Target Simulator Illumination System With High Energy Utilization and High Uniformity

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Photonics Journal Pub Date : 2024-09-12 DOI:10.1109/JPHOT.2024.3459482

Huibo Shao;Lingyun Wang;Haocong Zhang;Guangxi Li;Yu Chen

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Abstract

In this paper, a novel design of the illumination optical system for a laser target simulator is investigated to determine the optimal relationship between the uniformity of the illumination system and the energy utilization in a laser target simulator. First, the optimal size of the fly-eye lens unit is calculated from the parameters of the DMD to improve the energy utilization of the system; second, the optimal parameters of the TIR prism group are calculated based on the size of the illuminating beam and the optimal deflection angle of the TIR prism group is analyzed, which results in the compact overall structure of the system and improves the uniformity under the premise of ensuring that there is not much change in the energy utilization; and finally, the optimal design of the illumination optics system for laser target simulators is investigated based on the Finally, based on the Scheimpflug principle, the uniformity of the illumination system is further improved by solving the deformation of the image plane caused by the insertion of the TIR prism group. The results show that the simulation results of the system's uniformity reach 96.93%, the simulation results of the energy utilization are 60.05%, and the structure is compact, and the system designed by this method can provide a good design solution to obtain high energy utilization and uniformity.

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高能量利用率和高均匀性激光目标模拟器照明系统的设计方法

本文研究了激光目标模拟器照明光学系统的新型设计，以确定照明系统的均匀性与激光目标模拟器能量利用率之间的最佳关系。首先，根据 DMD 的参数计算出飞眼透镜单元的最佳尺寸，以提高系统的能量利用率；其次，根据照明光束的大小计算出 TIR 棱镜组的最佳参数，并分析出 TIR 棱镜组的最佳偏转角度，从而使系统整体结构紧凑，在保证能量利用率变化不大的前提下提高了均匀性；最后，根据 Scheimpflug 原理，通过解决插入 TIR 棱镜组引起的像面变形问题，进一步提高了照明系统的均匀性。结果表明，系统均匀度的仿真结果达到了 96.93%，能量利用率的仿真结果为 60.05%，而且结构紧凑，用这种方法设计的系统可以为获得高能量利用率和均匀度提供良好的设计方案。

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.