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Proceedings Paper

System design of a LED based gobo projector
Author(s): H. Rehn
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Paper Abstract

In the contribution we discuss the relationship between etendue and luminous flux of gobo projectors and its implications on illumination design and system architecture. On the basis of a given projector specification, a suitable LED type can be chosen and the number of needed LEDs and the necessary system etendue can be calculated. In a next step, we show how to design a suitable illumination system with primary and secondary optics and possibly including a homogenizer. Furthermore, implications for the design of the projection lens are discussed.

Paper Details

Date Published: 30 September 2013
PDF: 7 pages
Proc. SPIE 8835, LED-based Illumination Systems, 88350F (30 September 2013); doi: 10.1117/12.2022266
Show Author Affiliations
H. Rehn, OSRAM AG (Germany)

Published in SPIE Proceedings Vol. 8835:
LED-based Illumination Systems
Jianzhong Jiao, Editor(s)

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