1 April 1994 Two-step method for fabricating miniaperture on-axis holographic lenses with high numerical apertures
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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.
Songcan Lai, Songcan Lai, Dahsiung Hsu, Dahsiung Hsu, } "Two-step method for fabricating miniaperture on-axis holographic lenses with high numerical apertures," Optical Engineering 33(4), (1 April 1994). https://doi.org/10.1117/12.160948 . Submission:
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