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Proceedings Paper

Polymorphic optical zoom with MEMS DMs
Author(s): Yang Lu; Samuel M. Hoffman; Christopher R. Stockbridge; Andrew P. LeGendre; Jason B. Stewart; Thomas G. Bifano
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Paper Abstract

A prototype optical system for compact, high-speed zooming is described. The system is enabled by a pair of MEMS deformable mirrors (DMs), and is capable of high-speed optical zoom without translation of components. We describe experiments conducted with the zoom system integrated with an optical microscope, demonstrating 2.5× zoom capability. Zoom is achieved by simultaneously adjusting focal lengths of the two DMs, which are inserted between an infinity-corrected microscope objective and a tube lens. In addition to zoom, the test system is demonstrated to be capable of automated fine focus control and adaptive aberration compensation. Image quality is measured using contrast modulation, and performance of the system is quantified.

Paper Details

Date Published: 14 February 2011
PDF: 7 pages
Proc. SPIE 7931, MEMS Adaptive Optics V, 79310D (14 February 2011); doi: 10.1117/12.874207
Show Author Affiliations
Yang Lu, Boston Univ. (United States)
Samuel M. Hoffman, Boston Univ. (United States)
Christopher R. Stockbridge, Boston Univ. (United States)
Andrew P. LeGendre, Boston Univ. (United States)
Jason B. Stewart, Boston Micromachines Corp. (United States)
Thomas G. Bifano, Boston Univ. (United States)


Published in SPIE Proceedings Vol. 7931:
MEMS Adaptive Optics V
Scot S. Olivier; Thomas G. Bifano; Joel A. Kubby, Editor(s)

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