Abstract

A cubic phase mask is used in an infinity microscope objective to extend depth of field. The mask is placed between the objective and tube lens, so that neither objective nor tube lens needs redesigning. Therefore it is universal and cost effective. Simulation results show that the depth of field is extended to 6.5 times of the traditional one.

© 2013 Optical Society of America

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More Like This
Greatly extended depth of field for microscopic imaging

Zengzhuo Li and Guoqiang Li
JTu2A.26 Frontiers in Optics (FiO) 2017

A Joint-Design Approach for Extended Depth of Field Imaging

Ronan Kerviche and Amit Ashok
CW4C.4 Computational Optical Sensing and Imaging (COSI) 2013

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Ramzi N. Zahreddine and Carol J. Cogswell
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