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Optical Engineering

Two-step method for fabricating miniaperture on-axis holographic lenses with high numerical apertures
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Paper Abstract

A two-step method for fabricating miniaperture on-axis holographic lenses with high numerical apertures is presented. The first step is to record a bifocus off-axis master holographic lens using a plane wave and a divergent spherical wave. The second step is to record the miniaperture on-axis holographic lens using the conjugate reconstructed wave of the master holographic lens. A holographic lens array is made in our experiments in which the numerical aperture of each lens in the array reached 0.31.

Paper Details

Date Published: 1 April 1994
PDF: 3 pages
Opt. Eng. 33(4) doi: 10.1117/12.160948
Published in: Optical Engineering Volume 33, Issue 4
Show Author Affiliations
Songcan Lai, Zhengzhou Institute of Technology (Germany)
Dahsiung Hsu, Beijing Univ. of Posts & Telecommunications (China)


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