Quality optimization and control technology for a full field-of-view imaging surface using a stationary phase method and an ambiguity function method

Xuemin Cheng; Xiangyu Yuan; Qun Hao; Kuowen Chang

doi:10.1117/1.OE.56.3.034104

10 March 2017 Quality optimization and control technology for a full field-of-view imaging surface using a stationary phase method and an ambiguity function method

Xuemin Cheng, Xiangyu Yuan, Qun Hao, Kuowen Chang

Author Affiliations +

Optical Engineering, Vol. 56, Issue 3, 034104 (March 2017). https://doi.org/10.1117/1.OE.56.3.034104

Abstract

A stationary phase method and ambiguity function (AF) method were used to conduct an analytical study of a modulation transfer function (MTF). From the perspective of mathematic models, there was a double integral relationship between the MTF and system wave aberrations. Based on the stationary phase and AF methods, the wave aberration term in the MTF expression was analytically discussed to achieve an aberration function derivation and extreme point analysis, thereby obtaining the analytical expressions of an every field-of-view (FOV) MTF and defocusing distance (i.e., the deviation of an MTF optimal imaging plane from an axial imaging plane) in the full FOV of an optical system. From the obtained image quality evaluation function, the defocusing distance and system image quality could be effectively controlled in a full FOV, which was verified using the examples.

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Xuemin Cheng, Xiangyu Yuan, Qun Hao, and Kuowen Chang "Quality optimization and control technology for a full field-of-view imaging surface using a stationary phase method and an ambiguity function method," Optical Engineering 56(3), 034104 (10 March 2017). https://doi.org/10.1117/1.OE.56.3.034104

Received: 20 November 2016; Accepted: 22 February 2017; Published: 10 March 2017

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KEYWORDS

Modulation transfer functions

Image quality

Atrial fibrillation

Spatial frequencies

Imaging systems

Phase shift keying

Optical engineering

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