DOEs for color correction in broad band optical systems: validity and limits of efficiency approximations

Markus Seesselberg; Bernd H. Kleemann

doi:10.1117/12.869548

9 September 2010 DOEs for color correction in broad band optical systems: validity and limits of efficiency approximations

Markus Seesselberg, Bernd H. Kleemann

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Proceedings Volume 7652, International Optical Design Conference 2010; 76522T (2010) https://doi.org/10.1117/12.869548
Event: International Optical Design Conference 2010, 2010, Jackson Hole, WY, United States

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.

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Markus Seesselberg and Bernd H. Kleemann "DOEs for color correction in broad band optical systems: validity and limits of efficiency approximations", Proc. SPIE 7652, International Optical Design Conference 2010, 76522T (9 September 2010); https://doi.org/10.1117/12.869548

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