1 April 1994 Two-step method for fabricating miniaperture on-axis holographic lenses with high numerical apertures
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Optical Engineering, 33(4), (1994). doi:10.1117/12.160948
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, Dahsiung Hsu, "Two-step method for fabricating miniaperture on-axis holographic lenses with high numerical apertures," Optical Engineering 33(4), (1 April 1994). http://dx.doi.org/10.1117/12.160948
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KEYWORDS
Holography

Lenses

Spherical lenses

Wave plates

Optics manufacturing

Cameras

Microlens

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