On the problem of ideal flux concentrators
- 1 April 1978
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 68 (4) , 531-534
- https://doi.org/10.1364/josa.68.000531
Abstract
We show that ideal flux collectors in the form of systems of axially symmetric systems which concentrate flux from a given angular extent with no loss in étendue are impossible; on the other hand, systems approaching this limit very closely can be designed.Keywords
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