Monolithic multi-surface concentric folded visible imaging system

Yupeng Xiong; Yifan Dai; Shanyong Chen; Guipeng Tie; Zhanbin Fan; Jianpeng Wang

doi:10.1117/12.2506326

16 January 2019 Monolithic multi-surface concentric folded visible imaging system

Yupeng Xiong, Yifan Dai, Shanyong Chen, Guipeng Tie, Zhanbin Fan, Jianpeng Wang

Proceedings Volume 10838, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 108381H (2019) https://doi.org/10.1117/12.2506326
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

Abstract

In recent years, monolithic multi-surface image systems are widely concerned with the deeply development of optoelectronic imaging system and the ultra precision machining technology, most of these systems consist of multiple mirrors, and these mirrors are machined on one substrate or grouping processing on two substrates. In this paper, we discuss the optical design of visible imaging system with a filed of view 2° based on common-axial folded optical system. This study described the optical design of visible all-reflective imaging systems based on the aviation aluminum material. It works in the 0.45~0.75μm wavelength bands. The visible imaging system includes two elements, the first one is a flat mirror, and the second one is an optical element with four concentric zone aspherical mirrors, each concentric zone aspherical surfaces are 12-th order, the beam is folded and reflected between concentric zone aspherical mirrors and flat mirror, and then focused on the image plane. The surface accuracy of submicron order and position accuracy of micron order, and the technology of single point diamond turning are used to ensure the coaxality accuracy of the concentric zone aspherical mirrors. According to the optical design results, the quality of imaging arrives at the diffraction-limitation. On this basis, we design the focusing mechanism and complete system manufacturing; assembly and imaging experiment. The final system has the advantages of compactness, convenient thermal management and simple installation. It can potentially be applied to the optical system of the unmanned aerial vehicle system.

Citation Download Citation

Yupeng Xiong, Yifan Dai, Shanyong Chen, Guipeng Tie, Zhanbin Fan, and Jianpeng Wang "Monolithic multi-surface concentric folded visible imaging system", Proc. SPIE 10838, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 108381H (16 January 2019); https://doi.org/10.1117/12.2506326

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KEYWORDS

Imaging systems

Mirrors

Optical design

Aspheric lenses

Diamond turning

Optical components

Reflectors

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