Comparative analysis of doublets versus single-layer diffractive optical elements in eyepiece or magnifier design

    Authors

    O. Cakmakci;J. Rolland

    Comments

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    Abbreviated Journal Title

    Appl. Optics

    Keywords

    HEAD-MOUNTED DISPLAYS; LENSES; ABERRATIONS; EFFICIENCY; Optics

    Abstract

    We quantify the impact of eye clearance requirement on the performance of eyepieces utilizing doublets versus diffractive optical elements on aspheric substrates. In this study, the doublets were designed to be cemented on-axis elements. Specifically, four different values of eye clearance were implemented: 17, 20, 23, and 26 mm. For each value, axial and lateral color, spherical aberration, coma, astigmatism, field curvature, and distortion were compared. Each system under comparison was optimized for the same focal length, a 9 mm exit pupil, photopic wavelengths (513-608 nm), and a 40 degrees full field of view. We demonstrate that the single-layer diffractive optical element supports an eye clearance value of approximately 80% of the effective focal length, while the doublet drops below desired specifications at approximately 65% of the effective focal length. (C) 2007 Optical Society of America.

    Journal Title

    Applied Optics

    Volume

    46

    Issue/Number

    33

    Publication Date

    1-1-2007

    Document Type

    Article

    Language

    English

    First Page

    8140

    Last Page

    8148

    WOS Identifier

    WOS:000251830400022

    ISSN

    1559-128X

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