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Appl Opt. 2012 Nov 01;51(31):7630-5. doi: 10.1364/AO.51.007630.

Focus tuning by liquid crystal lens in imaging system.

Applied optics

Mao Ye, Bin Wang, Masaru Uchida, Satoshi Yanase, Shingo Takahashi, Susumu Sato

Affiliations

  1. Akita Industrial Technology Center, Sanuki, Araya, Japan. [email protected]

PMID: 23128713 DOI: 10.1364/AO.51.007630

Abstract

A quantitative study of the focus tuning by a liquid crystal lens in an imaging system composed of a camera module and the liquid crystal lens that performs the focusing function is reported. The resolving capability of the imaging system is investigated by analyzing the image of an ISO12233 chart formed by the system. Measurements show that with the focus tuning by the liquid crystal lens, the resolving power of the system can be very close to that of the camera module.

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