Second-stage concentrators—a new formalism
JOSA, Vol. 73, Issue 4, pp. 508-511 (1983)
http://dx.doi.org/10.1364/JOSA.73.000508
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Abstract
The concept of second-stage nonimaging concentrators is redefined. A model of an incoherent source of limited emitting angle serves to simulate the input rays to these elements. Hence the second stages may be classified as a subgroup of ideal concentrators that collect all the radiation emitted by such sources and concentrate it up to the maximum achievable limit. As a consequence of this discussion, it becomes obvious that, for any given plane behind a primary, an.ideal second stage can be designed with its entrance aperture located on that plane. Implications for the design of ideal reflectors with shielding windows are discussed.
© 1983 Optical Society of America
Citation
Eli M. Kritchman, "Second-stage concentrators—a new formalism," J. Opt. Soc. Am. 73, 508-511 (1983)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-73-4-508
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