Holographic center high-mounted stoplight

Ronald T. Smith

doi:10.1117/12.44726

1 July 1991 Holographic center high-mounted stoplight

Ronald T. Smith

Proceedings Volume 1461, Practical Holography V; (1991) https://doi.org/10.1117/12.44726
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

The holographic center high mounted stoplight achieves the required performance of a conventional center high mounted stoplight, but without the obstruction to the driver's view through the rear window. A lamp located in the roof illuminates a transmission image hologram mounted on the inner surface of the automobile rear window. The hologram strongly diffracts the incident light rearward but is transparent to the driver looking in his rearview mirror.

Citation Download Citation

Ronald T. Smith "Holographic center high-mounted stoplight", Proc. SPIE 1461, Practical Holography V, (1 July 1991); https://doi.org/10.1117/12.44726

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