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Stretchable phase-mode Fresnel zone plates for focus tuning
Author(s): Tianchi Yang; Quanquan Mu; Yanhua Liu; Cheng Chen; Shiqing Zhao; Linsen Chen; Wenbin Huang
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Paper Abstract

This paper presents a phase-correcting Fresnel Zone Plates array produced by maskless grayscale lithography, electroforming and transfer film. The Fresnel Zone Plates is fabricated on a polydimethylsiloxane (PDMS) layer, which allows for the adjustment of optical focus. The Fresnel Zone Plates array material has the transparency and stretch ability of the PDMS. By stretching the elastomeric composite in radial direction, the lens focal length is tuned. Good focusing response is demonstrated and a large focus change (≥50%) was achieved by stretching lenses up to 25%. The stretchable Phase-mode Fresnel Zone Plate could be integrated with electronics and have a wide range of potential applications, from medical imaging to surveillance.

Paper Details

Date Published: 5 November 2018
PDF: 6 pages
Proc. SPIE 10815, Optical Design and Testing VIII, 108151R (5 November 2018); doi: 10.1117/12.2507966
Show Author Affiliations
Tianchi Yang, Soochow Univ. (China)
Quanquan Mu, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Yanhua Liu, Soochow Univ. (China)
Cheng Chen, Soochow Univ. (China)
Shiqing Zhao, Soochow Univ. (China)
Linsen Chen, Soochow Univ. (China)
Wenbin Huang, Soochow Univ. (China)

Published in SPIE Proceedings Vol. 10815:
Optical Design and Testing VIII
Yongtian Wang; Tina E. Kidger; Kimio Tatsuno, Editor(s)

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