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Design of optical element combining Fresnel lens with microlens array for uniform light-emitting diode lighting |
JOSA A, Vol. 29, Issue 9, pp. 1877-1884 (2012)
http://dx.doi.org/10.1364/JOSAA.29.001877
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Abstract
One kind of optical element combining Fresnel lens with microlens array is designed simply for LED lighting based on geometrical optics and nonimaging optics. This design method imposes no restriction on the source intensity pattern. The designed element has compact construction and can produce multiple shapes of illumination distribution. Taking square lighting as an example, tolerance analysis is carried out to determine tolerance limits for applying the element in the assembly process. This element can produce on-axis lighting and off-axis lighting.
© 2012 Optical Society of America
OCIS Codes
(080.1753) Geometric optics : Computation methods
(220.2945) Optical design and fabrication : Illumination design
(220.4298) Optical design and fabrication : Nonimaging optics
ToC Category:
Optical Design and Fabrication
History
Original Manuscript: April 24, 2012
Revised Manuscript: July 18, 2012
Manuscript Accepted: July 19, 2012
Published: August 16, 2012
Citation
Guangzhen Wang, Lili Wang, Fuli Li, and Depeng Kong, "Design of optical element combining Fresnel lens with microlens array for uniform light-emitting diode lighting," J. Opt. Soc. Am. A 29, 1877-1884 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-9-1877
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