Achieving uniform efficient illumination with multiple asymmetric compound parabolic luminaires

Jeffrey M. Gordon; Peter Kashin

doi:10.1117/12.161943

1 November 1993 Achieving uniform efficient illumination with multiple asymmetric compound parabolic luminaires

Jeffrey M. Gordon, Peter Kashin

Proceedings Volume 2016, Nonimaging Optics: Maximum-Efficiency Light Transfer II; (1993) https://doi.org/10.1117/12.161943
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Luminaire designs based on multiple asymmetric nonimaging compound parabolic reflectors are proposed for 2-D illumination applications that require highly uniform far-field illuminance, while insuring maximal lighting efficiency and sharp angular cutoffs. The new designs derive from recent advances in nonimaging secondary concentrators for line-focus solar collectors. The light source is not treated as a single entity, but rather is divided into two or more separate adjoining sources. An asymmetric Compound Parabolic Luminaire is then designed around each half-source. Attaining sharp cutoffs requires relatively large reflectors. However, severe truncation of the reflectors renders these devices as compact as many conventional luminaires, at the penalty of a small fraction of the radiation being emitted outside the nominal cutoff. The configurations that maximize the uniformity of far-field illumination offer significant improvements in flux homogeneity relative to alternative designs to date.

Citation Download Citation

Jeffrey M. Gordon and Peter Kashin "Achieving uniform efficient illumination with multiple asymmetric compound parabolic luminaires", Proc. SPIE 2016, Nonimaging Optics: Maximum-Efficiency Light Transfer II, (1 November 1993); https://doi.org/10.1117/12.161943

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available