Diffractive efficiency improvement of diffractive cylinder lenses by Gaussian-beam illumination.
Optics Express, Vol. 1, Issue 8, pp. 234-239 (1997)
http://dx.doi.org/10.1364/OE.1.000234
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Abstract
To maximize the diffraction efficiency of cylinder lenses with high numerical apertures (such as F/0.5 lenses) we use an iterative algorithm to determine the optimum field distribution in the lens plane. The algorithm simulates the free-space propagation between the lens and the focal plane applying the angular spectrum of plane waves. We show that the optimum field distribution in the lens plane is the phase distribution of a converging cylindrical wave-front and an amplitude distribution with Gaussian-profile. The computed results are verified by rigorous calculations, simulating a F/0.5 lens with subwavelength structures.
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[Optical Society of America ]
OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(230.3990) Optical devices : Micro-optical devices
ToC Category:
Research Papers
History
Original Manuscript: August 27, 1997
Revised Manuscript: July 24, 1997
Published: October 13, 1997
Citation
Felix Fuerer, Martin Schmidt, and Olof Bryngdahl, "Diffractive efficiency improvement of diffractive cylinder lenses by Gaussian-beam illumination.," Opt. Express 1, 234-239 (1997)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-1-8-234
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