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Proceedings Paper

Tunable liquid lens with reduced chromatic and spherical aberration
Author(s): Hongbin Yu; Guangya Zhou; Fook Siong Chau; Huimin Leung
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Paper Abstract

In this paper, a novel liquid lens design is presented, in which a diffractive surface with an aspherical phase contour, combined with the spherical-like refractive surface, is adopted to improve the inherent chromatic and spherical aberration performance when compared to conventional pure refractive-type configurations. Single-point diamond turning together with soft lithography is used to realize this structure. Both simulation and test measurement results agree well with each other and demonstrate significantly improved chromatic and spherical aberration within the tunable range of the lens.

Paper Details

Date Published: 14 February 2011
PDF: 7 pages
Proc. SPIE 7930, MOEMS and Miniaturized Systems X, 79300A (14 February 2011); doi: 10.1117/12.879602
Show Author Affiliations
Hongbin Yu, National Univ. of Singapore (Singapore)
Guangya Zhou, National Univ. of Singapore (Singapore)
Fook Siong Chau, National Univ. of Singapore (Singapore)
Huimin Leung, National Univ. of Singapore (Singapore)

Published in SPIE Proceedings Vol. 7930:
MOEMS and Miniaturized Systems X
Harald Schenk; Wibool Piyawattanametha, Editor(s)

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