Use of holographic optical elements in HMDs

Godelieve De Vos; Guido M.L. Brandt

doi:10.1117/12.20973

1 October 1990 Use of holographic optical elements in HMDs

Godelieve De Vos, Guido M.L. Brandt

Proceedings Volume 1290, Helmet-Mounted Displays II; (1990) https://doi.org/10.1117/12.20973
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

Holographic Optical Elements (HOEs) are very appropriate for the construction of Helmet Mounted Displays (HilDs). The low weight and the compactness of HOEs allow for a design which meets the mechanical specifications of a helmet much better than a design with classical optical components. The weight of the optical system can be further reduced by using plastic instead of glass substrates as support material for the holograms. If however, the HOEs are recorded in dichromated gelatin, special precautions have to be taken to obtain humidity-resistant HOEs and to ensure tight adhesion of the gelatin to the plastic. Furthermore, the influence of deformations of the substrate material on the image quality has to be considered as well. In order to find solutions for the above mentioned problems, DCG holograms were recorded on the polycarbonate visor of holographic night vision goggles (HNVG). To study the influence of the optical quality of the plastics on the image quality of the HOEs, various recording configurations have been analyzed.

Citation Download Citation

Godelieve De Vos and Guido M.L. Brandt "Use of holographic optical elements in HMDs", Proc. SPIE 1290, Helmet-Mounted Displays II, (1 October 1990); https://doi.org/10.1117/12.20973

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