Optical tweezers as a mathematically driven spatio-temporal potential generator

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Title
Optical tweezers as a mathematically driven spatio-temporal potential generator
Author(s)
John A. C. Albay; Govind Paneru; Hyuk Kyu Pak; Yonggun Jun
Publication Date
2018-11
Journal
OPTICS EXPRESS, v.26, no.23, pp.29906 - 29915
Publisher
OPTICAL SOC AMER
Abstract
The ability to create and manipulate spatio-temporal potentials is essential in the diverse fields of science and technology. Here, we introduce an optical feedback trap system based on high precision position detection and ultrafast feedback control of a Brownian particle in the optical tweezers to generate spatio-temporal virtual potentials of the desired shape in a controlled manner. As an application, we study the nonequilibrium fluctuation dynamics of the particle in a time-varying virtual harmonic potential and validate the Crooks fluctuation theorem in the highly nonequilibrium condition.© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
URI
https://pr.ibs.re.kr/handle/8788114/5053
ISSN
1094-4087
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
Files in This Item:
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