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Conference Paper
Optics and Photonics for Advanced Energy Technology
Cambridge, Massachusetts United States
June 24-25, 2009
ISBN: 978-1-55752-875-9
Solar I (WD)

Beating the Optical Liouville Theorem

Roland Winston


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It is well-known that conservation of phase-space volume or optical etendue leads to strict limits to concentration. Less well- known is the connection between entropy and etendue. Entropy has a logarithmic dependence on etendue in addition to the familiar linear dependence on heat. This trade-off permits, in principle, an exponential boost in concentration. Optical systems that make use of this possibility will be discussed.

© 2009 The Optical Society

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(230.0230) Optical devices : Optical devices
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(080.4298) Geometric optics : Nonimaging optics

R. Winston, "Beating the Optical Liouville Theorem," in Optics and Photonics for Advanced Energy Technology, OSA Technical Digest (CD) (Optical Society of America, 2009), paper WD8.

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