Self-organized array of regularly spaced microbeads in a fiber-optical trap

Singer, Wolfgang; Frick, Manfred; Bernet, Stefan; Ritsch‐Marte, Monika

doi:10.1364/josab.20.001568

Cited by 164 publications

(120 citation statements)

References 26 publications

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“…Investigation of optical binding received a major impetus in 2002when two groups ͑Tatarkova et al, 2002Singer et al, 2003͒ independently performed studies using the so-called counterpropagating dual beam trap which was similar to the first optical trap realized by Ashkin in 1970. This trap is based on two weakly focused counterpropagating light beams with beam foci displaced in such a way the beams push the particles with the scattering force ͑radiation pressure͒ longitudinally to a location between the beam foci where both forces compensate each other.…”

Section: B Longitudinal Optical Bindingmentioning

confidence: 99%

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Colloquium: Gripped by light: Optical binding

2010

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͑Published 3 June 2010͒The light-matter interaction has been at the heart of major advances from the atomic scale right to the microscopic scale over the past four decades. Confinement by light, embodied by the area of optical trapping, has had a major influence across all of the natural sciences. However, an emergent and powerful topic within this field that has steadily merged but not gained much recognition is optical binding: the importance of exploring the optically mediated interaction between assembled objects that can cause attractive and repulsive forces and dramatically influence the way they assemble and organize themselves. This offers routes for colloidal self-assembly, crystallization, and organization of templates for biological and colloidal sciences. In this Colloquium, this emergent area is reviewed looking at the pioneering experiments in the field and the various theoretical approaches that aim to describe this behavior. The latest experimental studies in the field are reviewed and theoretical approaches are now beginning to converge to describe the binding behavior seen. Recent links between optical binding and nonlinearity are explored as well as future themes and challenges.

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Section: B Longitudinal Optical Bindingmentioning

confidence: 99%

“…Independently of the Tatarkova et al studies, a similar experiment was performed by Singer et al ͑2003͒. In this case they used counterpropagating beams coming from single-mode fibers ͓the so-called dual beam fiber trap ͑Constable and Kim, 1993͔͒ that were potentially more robust than two free space light fields.…”

Section: B Longitudinal Optical Bindingmentioning

confidence: 99%

Colloquium: Gripped by light: Optical binding

2010

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“…We note that there are other beam configurations, other than that specified by (1), that can stabilize a linear chain as demonstrated by recent experiments. 7,8,11,14 The VEMs are obtained by diagonalizing the force matrix (…”

Section: 4mentioning

confidence: 99%

Localized vibrational modes in optically bound structures

Chan

2006

Opt. Lett.

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We show, through analytical theory and rigorous numerical calculations, that optical binding can organize a collection of particles into stable one-dimensional lattice. This lattice, as well as other optically-bound structures, are shown to exhibit spatially localized vibrational eigenmodes. The origin of localization here is distinct from the usual mechanisms such as disorder, defect, or nonlinearity, but is a consequence of the long-ranged nature of optical binding. For an array of particles trapped by an interference pattern, the stable configuration is often dictated by the external light source, but our calculation revealed that inter-particle optical binding forces can have a profound influence on the dynamics.

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“…These more recent studies have underscored the fact that optical binding forces offer a large number of distinctive attributes which can be used in the optical manipulation of matter. Two such examples of key experimental studies of optical binding occurred in [2002][2003], where two groups [9,10] independently observed what is now termed "longitudinal optical binding". In their studies, using a counterpropagating dual beam trap, multiple particles entering the trap were observed to take up equilibrium positions along the propagation axes, with inter-particle separations several times the particle diameters.…”

Section: Introductionmentioning

confidence: 99%

Chiral discrimination in optical binding

Forbes

Andrews

2015

Phys. Rev. A

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The laser-induced intermolecular force that exists between two or more particles in the presence of an electromagnetic field is commonly termed 'optical binding'. Distinct from the single-particle forces that are at play in optical trapping at the molecular level, the phenomenon of optical binding is a manifestation of the coupling between optically induced dipole moments in neutral particles. In other, more widely known areas of optics, there are many examples of chiral discrimination -signifying the different response a chiral material has to the handedness of an optical input. In the present analysis, extending previous work on chiral discrimination in optical binding, a new mechanism is identified using a quantum electrodynamical approach. It is shown that the optical binding force between a pair of chiral molecules can be significantly discriminatory in nature, depending upon both the handedness of the interacting particles and the polarization of the incident light, and it is typically several orders of magnitude larger than previously reported.

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Self-organized array of regularly spaced microbeads in a fiber-optical trap

Cited by 164 publications

References 26 publications

Colloquium: Gripped by light: Optical binding

Colloquium: Gripped by light: Optical binding

Localized vibrational modes in optically bound structures

Chiral discrimination in optical binding

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