Optical design of dual-combiner head-up displays

Anthony J. Kirkham

doi:10.1117/12.47945

1 January 1991 Optical design of dual-combiner head-up displays

Anthony J. Kirkham

Proceedings Volume 1354, 1990 Intl Lens Design Conf; (1991) https://doi.org/10.1117/12.47945
Event: 1990 International Lens Design Conference, 1990, Monterey, CA, United States

Abstract

Optics for head-up displays (HUDs) with two combiners are reviewed with respect to aberration correction and the optimization of the azimuth field. The impetus for utilizing two combiners is discussed by comparison with conventional HUD designs, and the requirements for aberration correction are listed. The use of a CRT that incorporates the P-53 phosphor is shown to increase the azimuth instantaneous FOV (IFOV), and HUDs with dual combiners enhance the elevation IFOV. A dual-combiner HUD is shown to require a P-1 phosphor CRT, improved color correction, a reduced Petzval sum, and aberration control that is extended over more of the pupil as compared to single-combiner HUDs. The P-53 phosphor can be used to filter spectral sidebands and thereby permit the use of a lens that is not capable of good chromatic correction as well as enhance the azimuth IFOV without changing the module depth.

Citation Download Citation

Anthony J. Kirkham "Optical design of dual-combiner head-up displays", Proc. SPIE 1354, 1990 Intl Lens Design Conf, (1 January 1991); https://doi.org/10.1117/12.47945

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