Replication of continuous-relief diffractive optical elements by conventional compact disc injection-molding techniques
- 10 July 1997
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 36 (20) , 4655-4659
- https://doi.org/10.1364/ao.36.004655
Abstract
Continuous-relief diffractive optical elements have been replicated by use of conventional compact disc injection-molding techniques. Two continuous-relief microstructures, a blazed grating and a fan-out element, were chosen to evaluate the replication process. Original elements were fabricated by direct-write electron-beam lithography. Optical measurements and atomic force microscopy were used for investigating the replication fidelity.Keywords
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