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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 1268–1280

Bidirectional scattering distribution function by screen imaging synthesis

Yeh-Wei Yu, Yen-Lin Chen, Wei-Hsin Chen, Hen-Xiang Chen, Xuan-Hao Lee, Che-Chu Lin, and Ching-Cherng Sun  »View Author Affiliations


Optics Express, Vol. 20, Issue 2, pp. 1268-1280 (2012)
http://dx.doi.org/10.1364/OE.20.001268


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Abstract

Light-emitting diodes are common light sources in modern lighting. The optical distribution of an LED package and the bidirectional scattering distribution function (BSDF) of diffusing optical components are important factors in lighting design. This paper proposes an innovative method of measuring both the optical distribution of LEDs and BSDF quickly. The proposed method uses a 2-D screen and a camera to capture the illumination on a screen, and acquires the whole-field optical distribution by synthesizing the images on the screen in different angles. This paper presents theoretical calculations and experimental results demonstrating the construction of the BSDF.

© 2012 OSA

OCIS Codes
(000.2700) General : General science
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation

ToC Category:
Optical Devices

History
Original Manuscript: November 7, 2011
Revised Manuscript: December 20, 2011
Manuscript Accepted: December 20, 2011
Published: January 5, 2012

Citation
Yeh-Wei Yu, Yen-Lin Chen, Wei-Hsin Chen, Hen-Xiang Chen, Xuan-Hao Lee, Che-Chu Lin, and Ching-Cherng Sun, "Bidirectional scattering distribution function by screen imaging synthesis," Opt. Express 20, 1268-1280 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-2-1268


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