Title :
Microfluidic reconfigurable metasurface: A demonstration of tunable focusing from near field to far field
Author :
Weiming Zhu ; Qinghua Song ; Wu Zhang ; Pin-Chiech Wu ; Libin Yan ; Ruifeng Huang ; Sing Kwong Ting ; Aiqun Liu
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
Abstract :
We present a reconfigurable transmission metasurface based on microfluidic system. As a proof of concept, the focal length of the metasurface is tuned from near-field region (1 λ) to far-field region (18 λ).
Keywords :
micro-optomechanical devices; microfluidics; optical focusing; optical metamaterials; optical tuning; far field focusing; focal length; microfluidic reconfigurable metasurface; near field focusing; reconfigurable transmission metasurface; tunable focusing; Arrays; Lenses; Liquids; Metals; Metamaterials; Microfluidics; Optical resonators;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
