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Proceedings Paper

Controlling optical traps: performance and analytical limits
Author(s): Daniel G. Cole; Kurt D. Wulff; Robert L. Clark
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Paper Abstract

Using feedback control, a versatile optical trap can be constructed that can be used to control either the position of trapped objects or apply specified forces. Yet, while the design, development, and use of optical traps has been extensive and feedback control has played a critical role in pushing the state of the art, it is surprising to note that few comprehensive examinations of feedback control of optical traps have been undertaken. Furthermore, as the requirements are pushed to ever smaller distances and forces, the performance of optical traps reach limits. It is well understood that feedback control can result in both positive and negative effects in controlled systems. This paper discusses the performance and analytical limits that must be considered in the development and design of control systems for optical traps.

Paper Details

Date Published: 30 August 2005
PDF: 11 pages
Proc. SPIE 5877, Optomechanics 2005, 587702 (30 August 2005); doi: 10.1117/12.616835
Show Author Affiliations
Daniel G. Cole, Duke Univ. (United States)
Kurt D. Wulff, Duke Univ. (United States)
Robert L. Clark, Duke Univ. (United States)


Published in SPIE Proceedings Vol. 5877:
Optomechanics 2005
Alson E. Hatheway, Editor(s)

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