Cancellation of material dispersion in harmonic diffractive lenses

Ronald L. Roncone; Donald W. Sweeney

doi:10.1117/12.207498

20 April 1995 Cancellation of material dispersion in harmonic diffractive lenses

Ronald L. Roncone, Donald W. Sweeney

Proceedings Volume 2404, Diffractive and Holographic Optics Technology II; (1995) https://doi.org/10.1117/12.207498
Event: Photonics West '95, 1995, San Jose, CA, United States

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%.

Citation Download Citation

Ronald L. Roncone and Donald W. Sweeney "Cancellation of material dispersion in harmonic diffractive lenses", Proc. SPIE 2404, Diffractive and Holographic Optics Technology II, (20 April 1995); https://doi.org/10.1117/12.207498

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