The analysis and design of multiple phase plane for wave front coding system

Xiaohu Guo; Yuejin Zhao; Yijian Wu; Wei Jia

doi:10.1117/12.2060202

12 September 2014 The analysis and design of multiple phase plane for wave front coding system

Xiaohu Guo, Yuejin Zhao, Yijian Wu, Wei Jia

Proceedings Volume 9193, Novel Optical Systems Design and Optimization XVII; 91930D (2014) https://doi.org/10.1117/12.2060202
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

For large depth of field and large aperture optical system, we design a novel optical system based on a structure of large aperture wave front coding (LAWFC). According to optical aberration theory and information optics theory, we also establish the theoretical model of large aperture wave front coding structure. Applied with the large aperture wave front coding, the optical structure overcomes the contradiction between extension depth of field and size of aperture, and the images have excellent consistency in each field of view. Within the simulation, it shows that the MTF curve of the large aperture wave front coding can achieve 90% consistency in the range of depth of field. Compared with the traditional wave front coding, the experience also shows that not only the depth of field and the size of aperture are extended, but also the LAWFC can significantly improve the illumination and the contrast of image plane, and restrain chromatic aberration. It is concluded that the novel structure can expand not only the depth of field but also the size of aperture.

Citation Download Citation

Xiaohu Guo, Yuejin Zhao, Yijian Wu, and Wei Jia "The analysis and design of multiple phase plane for wave front coding system", Proc. SPIE 9193, Novel Optical Systems Design and Optimization XVII, 91930D (12 September 2014); https://doi.org/10.1117/12.2060202

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KEYWORDS

Wavefronts

Modulation transfer functions

Objectives

Optical design

Imaging systems

Chromatic aberrations

Monochromatic aberrations

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