Contrast budget of head-mounted displays

Gerard C. de Wit

doi:10.1117/1.1503071

1 October 2002 Contrast budget of head-mounted displays

Gerard C. de Wit

Optical Engineering, Vol. 41, Issue 10, (October 2002). https://doi.org/10.1117/1.1503071

This paper introduces the concept of a contrast budget for a head-mounted display, i.e., a list of contrast values of separate contrast-degrading phenomena in the system. The basic phenomena are dynamic range, diffraction, scattered light, and ghost images. By calculating a contrast budget it becomes clear whether or not the display-system contrast will meet specified criteria and which factors contribute the most to the degradation of contrast in the system. An example of a contrast budget is given for the NomadTM head-mounted display system. In this system dynamic range, scanner scattering, and beamsplitter stray light are the dominant contributors, but the overall contrast is comfortably above specification.

©(2002) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Gerard C. de Wit "Contrast budget of head-mounted displays," Optical Engineering 41(10), (1 October 2002). https://doi.org/10.1117/1.1503071

Published: 1 October 2002

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