The extended depth of field microscope imaging system with the phase pupil mask

Qinghua Lyu; Zhongsheng Zhai; Martin Sharp; Paul French

doi:10.1117/12.2216178

5 November 2015 The extended depth of field microscope imaging system with the phase pupil mask

Qinghua Lyu, Zhongsheng Zhai, Martin Sharp, Paul French

Author Affiliations +

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97951U (2015) https://doi.org/10.1117/12.2216178
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

A ‘0/π’ phase pupil mask was developed to extend the depth of field of a circularly symmetric optical microscope imaging system. The modulation transfer function curves, the normalized point spread function figures and the spot diagrams of the imaging system with the optimal mask were analyzed and simulated. The results show that the large depth of field imaging system with the ‘0/π’ phase pupil mask has a high resolution in a long frequency band and can obtain clear images without any post-processing. The experimental results also demonstrate that the depth of field of the imaging system is extended successfully.

Citation Download Citation

Qinghua Lyu, Qinghua Lyu, Zhongsheng Zhai, Zhongsheng Zhai, Martin Sharp, Martin Sharp, Paul French, Paul French, "The extended depth of field microscope imaging system with the phase pupil mask", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97951U (5 November 2015); doi: 10.1117/12.2216178; https://doi.org/10.1117/12.2216178

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