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Proceedings Paper

Metal-free flat lens using negative refraction by nonlinear four-wave mixing
Author(s): Jianjun Cao; Yuanlin Zheng; Yaming Feng; Xianfeng Chen; Wenjie Wan
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Paper Abstract

A perfect lens with unlimited resolution has always posed a challenge to both theoretical and experimental physicists. Recent developments in optical meta-materials promise an attractive approach towards perfect lenses using negative refraction to overcome the diffraction limit, improving resolution. However, those artificially engineered meta-materials usually company by high losses from metals and are extremely difficult to fabricate. An alternative proposal on using negative refraction by four-wave mixing has attracted much interests recently, though most of existing experiments still require metals and none of them has been implemented for an optical lens. Here we experimentally demonstrate a metalfree flat lens for the first time using negative refraction by degenerate four-wave mixing with a simple thin glass slide. We realize optical lensing utilizing a nonlinear refraction law, which may have potential applications in infrared microscopy and super-resolution imaging.

Paper Details

Date Published: 5 September 2014
PDF: 11 pages
Proc. SPIE 9198, Ultrafast Nonlinear Imaging and Spectroscopy II, 919814 (5 September 2014); doi: 10.1117/12.2060998
Show Author Affiliations
Jianjun Cao, Shanghai Jiao Tong Univ. (China)
Yuanlin Zheng, Shanghai Jiao Tong Univ. (China)
Yaming Feng, Shanghai Jiao Tong Univ. (China)
Xianfeng Chen, Shanghai Jiao Tong Univ. (China)
Wenjie Wan, Shanghai Jiao Tong Univ. (China)
Univ. of Michigan-Shanghai Jiao Tong Univ. Joint Institute (China)


Published in SPIE Proceedings Vol. 9198:
Ultrafast Nonlinear Imaging and Spectroscopy II
Zhiwen Liu, Editor(s)

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