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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 8, Iss. 7 — Jul. 1, 2012
  • pp: 401–404

A Pico Projection System With Electrically Tunable Optical Zoom Ratio Adopting Two Liquid Crystal Lenses

Yi-Hsin Lin and Ming-Syuan Chen

Journal of Display Technology, Vol. 8, Issue 7, pp. 401-404 (2012)


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Abstract

A pico projection system with electrically tunable optical zoom ratio adopting two liquid crystal (LC) lenses is first demonstrated. The projected image of the system is not only continuously focused, but also zoomed simultaneously by adjusting the focal lengths of LC lenses electrically. The related optical principle is discussed and a liquid-crystal-on-silicon (LCOS)-based pico projection system was used to demonstrate the designed concept. This study opens a new window in realizing pico projectors with electrically tunable optical zooms.

© 2012 IEEE

Citation
Yi-Hsin Lin and Ming-Syuan Chen, "A Pico Projection System With Electrically Tunable Optical Zoom Ratio Adopting Two Liquid Crystal Lenses," J. Display Technol. 8, 401-404 (2012)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-8-7-401

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