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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 11 — Nov. 1, 2012
  • pp: 112201–112201

Parametric optimization method for the design of high-efficiency free-form illumination system with a LED source

Zhenjie Liu, Peng Liu, and Feihong Yu  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 11, pp. 112201-112201 (2012)


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Abstract

A parametric optimization method is proposed in the design of a high-efficiency free-form illumination system. The proposed method is intended to provide rectangular uniform illumination with a light emitting diode (LED) source. An initial illumination system is first constructed and parameterized. The parameters of the initial system are optimized according to actual simulation results, and one design sample is presented. A liquid crystal on silicon (LCoS) micro-projector test module is fabricated and tested based on the design sample. Compared with the conventional micro-projectors using rotational symmetry devices, the micro-projector system designed with the parametric optimization method can send 1.65 times the source power to the LCoS active area with a 4:3 target ratio, and the uniformity reaches 98%.

© 2012 Chinese Optics Letters

OCIS Codes
(220.3620) Optical design and fabrication : Lens system design
(230.3670) Optical devices : Light-emitting diodes
(220.2945) Optical design and fabrication : Illumination design

ToC Category:
Optical Design and Fabrication

Citation
Zhenjie Liu, Peng Liu, and Feihong Yu, "Parametric optimization method for the design of high-efficiency free-form illumination system with a LED source," Chin. Opt. Lett. 10, 112201-112201 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-11-112201


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