Innovative diffractive eyepiece for a helmet-mounted display

Joachim Bunkenburg; Teresa A. Droessler

doi:10.1117/12.332476

8 December 1998 Innovative diffractive eyepiece for a helmet-mounted display

Joachim Bunkenburg, Teresa A. Droessler

Proceedings Volume 3430, Novel Optical Systems and Large-Aperture Imaging; (1998) https://doi.org/10.1117/12.332476
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A glass-plastic hybrid optical system was designed and built for a direct view helmet-mounted display. This eyepiece incorporates a glass element, two aspheric plastic elements, and an imbedded diffractive surface to achieve high optical performance while reducing cost and weight. The 30 degree FOV design outperforms a previous all-glass design. The resolution requirement is driven by a 24-micron pixel Active Matrix Electroluminescent (AMEL) image source. Several design forms were considered, and the final design was chosen to facilitate manufacturing. Proof of principle units were fabricated using diamond-turned PMMA lenses. Test data are included which compare the diamond-turned and injection molded lenses. Fabrication and alignment tolerances, metrology and manufacturing issues are discussed, and both predicted and measured performance data are presented.

Citation Download Citation

Joachim Bunkenburg and Teresa A. Droessler "Innovative diffractive eyepiece for a helmet-mounted display", Proc. SPIE 3430, Novel Optical Systems and Large-Aperture Imaging, (8 December 1998); https://doi.org/10.1117/12.332476

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