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Resolving interparticle position and optical forces along the axial direction using optical coherence gating

dc.contributor.authorChow, T. H
dc.contributor.authorLee, W. M
dc.contributor.authorTan, K. M
dc.contributor.authorNg, B. K
dc.contributor.authorSheppard, C. J. R
dc.date.accessioned2015-12-06T23:12:36Z
dc.date.available2015-12-06T23:12:36Z
dc.date.issued2010
dc.date.updated2015-12-08T10:09:03Z
dc.description.abstractIn this paper, we demonstrate the use of coherence gating to resolve particle positions and forces in the axial direction. Through coherence gating, particle displacements and interparticle separations can be resolved with a high signal-to-noise ratio. We achieved both high depth resolvability 10−6m and weak optical force 10−15 N measurements in an optical trapping system using a low coherence interferometry system. Trap stiffness as low as 1.46 fN m−1 was measured. This technique is well-suited for the direct visualization of interparticle optical-mechanical interactions.
dc.description.sponsorshipThis research is supported by grants SCS-BU0052 and RP C-015/2007 from Agency for Science, Technology and Research and grant RGM39/06 from the Ministry of Education, Singapore.en_AU
dc.format3 pages
dc.identifier.issn0003-6951en_AU
dc.identifier.urihttp://hdl.handle.net/1885/17033
dc.publisherAmerican Institute of Physics (AIP)
dc.rights© 2010 American Institute of Physics Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Applied Physics Letters and may be found at http://doi.org/10.1063/1.3519976 http://www.sherpa.ac.uk/romeo/issn/0003-6951 Author can archive publisher's version/PDF (Sherpa/Romeo as of 7/12/2015).
dc.sourceApplied Physics Letters
dc.subjectcoherence gating
dc.subjectparticle positions and forces
dc.subjectaxial direction
dc.subjectparticle displacements
dc.subjectinterparticle separations
dc.subjectlow coherence interferometry
dc.titleResolving interparticle position and optical forces along the axial direction using optical coherence gating
dc.typeJournal article
dcterms.dateAccepted2010-10-12
local.bibliographicCitation.issue23en_AU
local.bibliographicCitation.startpage231113en_AU
local.contributor.affiliationChow, T.H, Nanyang Technological University, Singaporeen_AU
local.contributor.affiliationLee, Woei Ming (Steve), College of Engineering and Computer Science, College of Engineering and Computer Science, Research School of Engineering, The Australian National Universityen_AU
local.contributor.affiliationTan, K.M, University of St Andrews, United Kingdomen_AU
local.contributor.affiliationNg, B.K, Nanyang Technological University, Singaporeen_AU
local.contributor.affiliationSheppard, C.J.R, National University of Singapore, Singaporeen_AU
local.contributor.authoruidU5343203en_AU
local.description.notesImported from ARIES. At the time of publication, Woei Ming Lee, was affiliated with Einst Technology Pte Ltd., 1092 Lower Delta Road #04-01, Tiong Bahru Industrial Estate, Singapore 169203en_AU
local.identifier.absfor090699en_AU
local.identifier.absfor091299en_AU
local.identifier.absfor020599en_AU
local.identifier.absseo970109en_AU
local.identifier.absseo970110en_AU
local.identifier.absseo970102en_AU
local.identifier.ariespublicationu4628727xPUB129en_AU
local.identifier.citationvolume97en_AU
local.identifier.doi10.1063/1.3519976en_AU
local.identifier.essn1077-3118en_AU
local.identifier.scopusID2-s2.0-78650390594
local.publisher.urlhttps://www.aip.org/en_AU
local.type.statusPublished Versionen_AU

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