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Proceedings Paper

DOEs for color correction in broad band optical systems: validity and limits of efficiency approximations
Author(s): Markus Seesselberg; Bernd H. Kleemann
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Paper Abstract

Diffractive optical elements (DOE) are well-suited for the correction of longitudinal and transverse chromatic aberrations in broadband optical systems such as photographic lenses, HMDs or infrared lenses. Unfortunately, the diffraction efficiency η for the working order of DOEs is often clearly below 100% which causes stray light from unwanted diffraction orders and prevents a more frequent use of DOEs in practice. The main reasons for the decrease of diffraction efficiency η are spectral bandwidth, variation of the incidence angle of impinging light and manufacturing errors of the DOE. In the present paper, several scalar approximations for the diffraction efficiency η as a function of these parameters are compared with rigorous electromagnetic calculations. The validity of these formulae are shown to extend over a surprisingly large range of parameters.

Paper Details

Date Published: 9 September 2010
PDF: 12 pages
Proc. SPIE 7652, International Optical Design Conference 2010, 76522T (9 September 2010); doi: 10.1117/12.869548
Show Author Affiliations
Markus Seesselberg, Carl Zeiss AG (Germany)
Bernd H. Kleemann, Carl Zeiss AG (Germany)


Published in SPIE Proceedings Vol. 7652:
International Optical Design Conference 2010
Julie Bentley; Anurag Gupta; Richard N. Youngworth, Editor(s)

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