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Proceedings Paper

Modeling of a faceplate in a retinal laser scanner display
Author(s): P. Mermillod; A. M. Milcent; S. Faure; J. L. Meyzonnette; J. Taboury
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Paper Abstract

In the context of a virtual retinal display, the exit pupil of the optical device is small, and for this reason, even small eye movement of the user will induce losing the virtual image. In order to increase pupil size, we work on devices such as diffuse surfaces, intended to expand emission angles of sources. Unfortunately, because of laser coherence, this type of device will create speckle noise, which will degrade image quality[1]. In previous papers we have described in details how this noise is generated by a classical diffuser plate, and how to specify devices in order to decrease this noise. In this paper, we analyze another type of pupil expander: faceplates. In addition to this modeling, we compare both devices and conclude that the faceplate is a better device than a classical diffuser.

Paper Details

Date Published: 27 September 2008
PDF: 10 pages
Proc. SPIE 7100, Optical Design and Engineering III, 71001G (27 September 2008); doi: 10.1117/12.798218
Show Author Affiliations
P. Mermillod, Sagem Defense Securite (France)
A. M. Milcent, Sagem Defense Securite (France)
S. Faure, Sagem Defense Securite (France)
J. L. Meyzonnette, Institut d'Optique (France)
J. Taboury, Institut d'Optique (France)


Published in SPIE Proceedings Vol. 7100:
Optical Design and Engineering III
Laurent Mazuray; Rolf Wartmann; Andrew Wood; Jean-Luc Tissot; Jeffrey M. Raynor, Editor(s)

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