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Proceedings Paper

Holographic zoom system based on spatial light modulator and liquid device
Author(s): Di Wang; Lei Li; Su-Juan Liu; Qiong-Hua Wang
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Paper Abstract

In this paper, two holographic zoom systems are proposed based on the programmability of spatial light modulator (SLM) and zoom characteristics of liquid lens. An active optical zoom system is proposed in which the zoom module is composed of a liquid lens and an SLM. By controlling the focal lengths of the liquid lens and the encoded digital lens on the SLM, we can change the magnification of an image without mechanical moving parts and keep the output plane stationary. Then a color holographic zoom system based on a liquid lens is proposed. The system processes the color separation of the original object for red, green, and blue components and generated three holograms respectively. A new hologram with specific reconstructed distance can be generated by combing the hologram of the digital lens with the hologram of the image. By controlling the focal lengths of the liquid lens and the encoded digital lens on the SLM, we can change the magnification of the reconstructed image.

Paper Details

Date Published: 8 February 2018
PDF: 6 pages
Proc. SPIE 10555, Emerging Liquid Crystal Technologies XIII, 1055505 (8 February 2018); doi: 10.1117/12.2297074
Show Author Affiliations
Di Wang, Shanxi Univ. (China)
Lei Li, Sichuan Univ. (China)
Su-Juan Liu, Sichuan Univ. (China)
Qiong-Hua Wang, Sichuan Univ. (China)


Published in SPIE Proceedings Vol. 10555:
Emerging Liquid Crystal Technologies XIII
Liang-Chy Chien, Editor(s)

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