New high-efficiency uniform illumination devices based on nonimaging optics

Jeffrey M. Gordon

doi:10.1117/12.151025

13 August 1993 New high-efficiency uniform illumination devices based on nonimaging optics

Jeffrey M. Gordon

Proceedings Volume 1971, 8th Meeting on Optical Engineering in Israel: Optical Engineering and Remote Sensing; (1993) https://doi.org/10.1117/12.151025
Event: 8th Meeting in Israel on Optical Engineering, 1992, Tel Aviv, Israel

Abstract

Based upon the principles of non-imaging optics, we present new optical designs for illumination devices (luminaries) that can achieve maximal lighting efficiency (no trapped radiation) while retaining excellent angular control of the projected radiation. One class of luminaries presented can produce relatively uniform flux maps on distant targets while also insuring perfectly sharp (discontinuous) angular cutoffs. For a second class of luminaries, for which pair-overlap flux maps are to be exploited and the flux maps of individual devices have sloping shoulders, we can produce extremely uniform flux maps on distant targets while retaining excellent angular (glare) control. Results are presented for symmetrical configurations in two dimensions (trough-like reflectors) for flat and for tubular sources. Primary applications can include lighting and infrared heating.

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Jeffrey M. Gordon "New high-efficiency uniform illumination devices based on nonimaging optics", Proc. SPIE 1971, 8th Meeting on Optical Engineering in Israel: Optical Engineering and Remote Sensing, (13 August 1993); https://doi.org/10.1117/12.151025

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KEYWORDS

Light sources and illumination

Reflectors

Compound parabolic concentrators

Infrared radiation

Nonimaging optics

Optical design

Optical engineering

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