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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 12 — Jun. 6, 2011
  • pp: 11299–11311

Sub-wavelength gratings fabricated on a light bar by roll-to-roll UV embossing process

Chun-Wei Liu, Chi-Hung Lee, and Shih-Chieh Lin  »View Author Affiliations

Optics Express, Vol. 19, Issue 12, pp. 11299-11311 (2011)

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This research uses a roll-to-roll based ultraviolet (UV) resin process to make sub-wavelength gratings for display applications. Based on the rigorous coupling wave analysis (RCWA), we analyze the relationship between the first order transmission/reflection efficiency and the pitch of the grating for various shapes as rays pass through the sub-wavelength gratings, patterned with a backlight. The objective is to turn the R/G/B (620 nm, 520nm, and 450nm) incident rays into uniformly and normally output white light with high illuminance from the surface of a light guide.

© 2011 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(120.2040) Instrumentation, measurement, and metrology : Displays
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.1920) Optical design and fabrication : Diamond machining
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

Original Manuscript: April 15, 2011
Revised Manuscript: May 15, 2011
Manuscript Accepted: May 17, 2011
Published: May 25, 2011

Chun-Wei Liu, Chi-Hung Lee, and Shih-Chieh Lin, "Sub-wavelength gratings fabricated on a light bar by roll-to-roll UV embossing process," Opt. Express 19, 11299-11311 (2011)

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