Scattering Optical Elements: Stand-Alone Optical Elements Exploiting Multiple Light Scattering

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• 作者：Jongchan Park ; Joong-Yeon Cho ; Chunghyun Park ; KyeoReh Lee ; Heon Lee ; Yong-Hoon Cho ; YongKeun Park
• 刊名：ACS Nano
• 出版年：2016
• 出版时间：July 26, 2016
• 年：2016
• 卷：10
• 期：7
• 页码：6871-6876
• 全文大小：351K
• 年卷期：0
• ISSN：1936-086X

文摘

Optical design and fabrication techniques are crucial for making optical elements. From conventional lenses to diffractive optical elements and to recent metasurfaces, various types of optical elements have been proposed to manipulate light where optical materials are fabricated into desired structures. Here, we propose a scattering optical element (SOE) that exploits multiple light scattering and wavefront shaping. Instead of fabricating optical materials, the SOE consists of a disordered medium and a photopolymer-based wavefront recorder, with shapes impinging on light on demand. With the proposed stand-alone SOEs, we experimentally demonstrate control of various properties of light, including intensity, polarization, spectral frequency, and near field. Due to the tremendous freedom brought about by disordered media, the proposed approach will provide unexplored routes to manipulate arbitrary optical fields in stand-alone optical elements.