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A Simple Method to Improve Etching Uniformity when Making Phase Type CGHs on a Thick Glass Substrate
Published
Author(s)
Quandou (. Wang
Abstract
A simple method to optimize the etching uniformity when making a Computer generated halogram on a thick optical glass substrate is described, which uses a Teflon ring to enclose the substrate during reactive-ion etching (RIE).
Wang, Q.
(2010),
A Simple Method to Improve Etching Uniformity when Making Phase Type CGHs on a Thick Glass Substrate, OSA Digest Series, Jackson Hole, WY, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905044
(Accessed October 27, 2025)