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Design of near-field holographic optical elements by grating matching
Henrik C Pedersen1, Carsten Thirstrup
1Department of Optics and Fluid Dynamics, Risoe National Laboratory, 4000 Roskilde, Denmark.
Abstract:
A new method for designing holographic optical elements is presented. The method is based on matching the grating-spacing profile of the recording light interference pattern to the desired grating-spacing profile. We show that for designing near-field holograms, in which the optical images involved are close to the hologram aperture, the grating-matching technique is superior to the well-established aberration-balancing method introduced by Latta [Appl. Opt. 10, 609 (1971)].
