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Optical Engineering

Fabrication of plastic microlens array for array microscopy by three-dimensional diamond micromilling
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Paper Abstract

Two lens arrays of 20 lenses (4×5) are fabricated in polystyrene (Rexolite 1422) using a 3-D, three-axis micromilling process. The lenses of one array are concave (Rcurv = -2 mm) and the lenses of the other array are convex (Rcurv = 2 mm). A method for correcting a 3-D micromilling program for a single lens is described and evaluated. The lens separation is 4 mm and Ødiam = 2.6 mm for all lenses. Based on a measurement of key optical parameters (radius error, wavefront error, and surface roughness), micromilled lenses are shown to be of high optical quality compared with the form error and surface roughness obtained with plastic injection molded lenses.

Paper Details

Date Published: 1 October 2010
PDF: 4 pages
Opt. Eng. 49(10) 103401 doi: 10.1117/1.3497567
Published in: Optical Engineering Volume 49, Issue 10
Show Author Affiliations
Brian P. McCall, Rice Univ. (United States)
Tomasz S. Tkaczyk, Rice Univ. (United States)

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