Advanced rotorcraft helmet display sighting system optics

Francois Raynal; Muh-Fa Chen

doi:10.1117/12.478872

Abstract

Kaiser Electronics' Advanced Rotorcraft Helmet Display Sighting System is a Biocular Helmet Mounted Display (HMD) for Rotary Wing Aviators. Advanced Rotorcraft HMDs requires low head supported weight, low center of mass offsets, low peripheral obstructions of the visual field, large exit pupils, large eye relief, wide field of view (FOV), high resolution, low luning, sun light readability with high contrast and low prismatic deviations. Compliance with these safety, user acceptance and optical performance requirements is challenging. The optical design presented in this paper provides an excellent balance of these different and conflicting requirements. The Advanced Rotorcraft HMD optical design is a pupil forming off axis catadioptric system that incorporates a transmissive SXGA Active Matrix liquid Crystal Display (AMLCD), an LED array backlight and a diopter adjustment mechanism.

Citation Download Citation

Francois Raynal, Francois Raynal, Muh-Fa Chen, Muh-Fa Chen, } "Advanced rotorcraft helmet display sighting system optics", Proc. SPIE 4711, Helmet- and Head-Mounted Displays VII, (5 August 2002); doi: 10.1117/12.478872; https://doi.org/10.1117/12.478872

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