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Proceedings Paper

Cancellation of material dispersion in harmonic diffractive lenses
Author(s): Ronald L. Roncone; Donald W. Sweeney
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Paper Abstract

A radial, modulo-m2(pi) diffractive lens and a modulo-2(pi) diffractive lens are superposed in a single integrated optical element. The resulting compound lens both introduces optical power and cancels material dispersion. The lens is a microthin, planar achromat suitable for broadband imaging applications. An f/5, 100 mm focal length lens is fabricated by precision diamond-turning. A master mold is generated from the diamond turned copper; the master is then used to form a second-generation replica in an optical quality, uv-cured photopolymer. The measured effective V-number of the replicated lens is 213. Measured narrowband (2 nm) resolution is 120 lp/mm with a contrast of 10%.

Paper Details

Date Published: 20 April 1995
PDF: 8 pages
Proc. SPIE 2404, Diffractive and Holographic Optics Technology II, (20 April 1995); doi: 10.1117/12.207498
Show Author Affiliations
Ronald L. Roncone, Lawrence Livermore National Lab. (United States)
Donald W. Sweeney, Lawrence Livermore National Lab. (United States)

Published in SPIE Proceedings Vol. 2404:
Diffractive and Holographic Optics Technology II
Ivan Cindrich; Sing H. Lee, Editor(s)

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