20 April 1995 Cancellation of material dispersion in harmonic diffractive lenses
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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%.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ronald L. Roncone, Donald W. Sweeney, "Cancellation of material dispersion in harmonic diffractive lenses", Proc. SPIE 2404, Diffractive and Holographic Optics Technology II, (20 April 1995); doi: 10.1117/12.207498; https://doi.org/10.1117/12.207498
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