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Energy Express

  • Editor: Bernard Kippelen
  • Vol. 19, Iss. S4 — Jul. 4, 2011
  • pp: A740–A746

Three-dimensional illumination system using dielectric liquid lenses

Yen-Sheng Lu, Ling-Yu Tsai, Kuo-Cheng Huang, C. Gary Tsai, Chih-Cheng Yang, and J. Andrew Yeh  »View Author Affiliations

Optics Express, Vol. 19, Issue S4, pp. A740-A746 (2011)

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A 25-pixel illumination system composed of a 5 × 5 dielectric liquid-lens (DLL) zoom module array, 25 light-emission diodes (LEDs), and a secondary optical lens demonstrates 3D light field manipulation. LEDs function as 2D illumination pixels while the DLL module array performs longitudinal illuminance adjustability by zooming each illumination pixel. A test on the similarity of two illuminance patterns between experiments and simulations shows a normalized cross correlation (NCC) higher than 0.8, indicating the feasibility of the system design. Also, the illumination system is further applied to correct a distorted light pattern on a 45° tilt screen as well as to perform light compensation on distance-differential objects.

© 2011 OSA

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(080.4295) Geometric optics : Nonimaging optical systems

Original Manuscript: March 16, 2011
Revised Manuscript: May 1, 2011
Manuscript Accepted: May 2, 2011
Published: June 3, 2011

Yen-Sheng Lu, Ling-Yu Tsai, Kuo-Cheng Huang, C. Gary Tsai, Chih-Cheng Yang, and J. Andrew Yeh, "Three-dimensional illumination system using dielectric liquid lenses," Opt. Express 19, A740-A746 (2011)

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