Nonimaging Compound Parabolic Concentrator-Type Reflectors With Variable Extreme Direction
Applied Optics, Vol. 31, Issue 34, pp. 7332-7338 doi:10.1364/AO.31.007332
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J. M. Gordon and A. Rabl, "Nonimaging Compound Parabolic Concentrator-Type Reflectors With Variable Extreme Direction," Appl. Opt. 31, 7332-7338 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-34-7332
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The properties of nonimaging compound parabolic concentrator (CPC)-type devices are examined in which the extreme direction is not constant but rather is a variable that can change along the reflector. One can then retain the maximal concentration or radiative efficiency of the CPC while the flux map on the absorber or target is modified, depending on whether the device is used for optical concentration or for lighting. Two general classes of reflector are derived, and all the nonimaging devices developed to date are shown to be special cases of the general solution. These two classes are the nonimaging analog of converging and diverging devices of imaging optics.
© 1992 Optical Society of America
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Author Affiliations
A. Rabl is with the Centre d’Energetique, Ecole des Mines de Paris, 60 Boulevard Saint- Michel, 75272 Paris, Cedex 06, France.
J. M. Gordon is with the Center for Energy and Environmental Physics, Jacob Blaustein Institute for Desert Research, Ben- Gurion University of the Negev, Sede Boqer Campus 84993, Israel, and the Department of Mechnical Engineering, Pearlstone Center for Aeronautical Engineering Studies, Ben-Gurion University of the Negev, Beersheva, Israel.
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