Controlling optical traps: performance and analytical limits

Daniel G. Cole; Kurt D. Wulff; Robert L. Clark Jr.

doi:10.1117/12.616835

30 August 2005 Controlling optical traps: performance and analytical limits

Daniel G. Cole, Kurt D. Wulff, Robert L. Clark Jr.

Proceedings Volume 5877, Optomechanics 2005; 587702 (2005) https://doi.org/10.1117/12.616835
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

Daniel G. Cole, Kurt D. Wulff, and Robert L. Clark Jr. "Controlling optical traps: performance and analytical limits", Proc. SPIE 5877, Optomechanics 2005, 587702 (30 August 2005); https://doi.org/10.1117/12.616835

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