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Friday, May 8, 2020 | History

1 edition of Optical trapping and optical micromanipulation VI found in the catalog.

Optical trapping and optical micromanipulation VI

Kishan Dholakia

Optical trapping and optical micromanipulation VI

2-6 August 2009, San Diego, California, United States

by Kishan Dholakia

  • 26 Want to read
  • 15 Currently reading

Published by SPIE in Bellingham, Wash .
Written in English


Edition Notes

Includes bibliographical references and author index.

Other titlesOptical trapping and optical micromanipulation 6, Optical trapping and optical micromanipulation six
StatementKishan Dholakia, Gabriel C. Spalding, editors ; sponsored and published by SPIE ; cosponsored by Elliot Scientific (United States)
SeriesProceedings of SPIE -- v. 7400, Proceedings of SPIE--the International Society for Optical Engineering -- v. 7400.
ContributionsSPIE (Society), Elliot Scientific
Classifications
LC ClassificationsTA1673 .O682 2009
The Physical Object
Pagination1 v. (various pagings) :
ID Numbers
Open LibraryOL24443148M
ISBN 100819476900
ISBN 109780819476906
LC Control Number2010459353
OCLC/WorldCa457050422

The optical trapping of colloidal matter is an unequalled field of technology for enabling precise handling of particles on microscopic scales, solely by the force of light. Although the basic concept of optical tweezers, which are based on a single laser beam, has matured and found a vast number of exciting applications, in particular in the. Attendees of the conference on Optical Trapping and Optical Micromanipulation are invited to meet and greet their colleagues during this special social hour. Monday 14 August SESSION 2: Basic Science I Chair: Halina H. Rubinsztein-Dunlop, The Univ. of Queensland (Australia) Room: Conv. Ctr. Room 6D Mon. to am.

Optical trapping and optical micromanipulation VII: August , San Diego, California, United States. This thesis addresses optical binding - a new area of interest within the field of optical micromanipulation. It presents, for the first time, a rigorous numerical simulation of some of the key results, along with new experimental findings and also physical interpretations of the results.

Pointing stabilities of the LCOS-SLM created traps of better than 1 nm ["Positional stability of holographic optical traps", Opt. Expr ()] and are now as efficient to that of regular non-holographic optical traps. The Optical Trapping community report new applications such as in the field of Microfluidics, Cell sorting.   Optical binding occurs when systems of both dielectric particles are illuminated by intense light fields, and results in the formation of clusters and coupled dynamical behaviour. Optical binding between spheres has been studied extensively, but little has appeared in the literature describing binding in lower symmetry by: 1.


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Optical trapping and optical micromanipulation VI by Kishan Dholakia Download PDF EPUB FB2

Optical Trapping and Optical Micromanipulation VI Editor(s): Kishan Dholakia ; Gabriel C. Spalding For the purchase of this volume in printed format, please visit OTEST combine optical speckle with plasmonic substrate to generate a thermal speckle field that consists of many random thermal hotspots to trap a large number of particles using thermoelectric forces.

We demonstrate trapping of dielectric and metallic particles with. Optical Trapping and Optical Micromanipulation VIII Editor(s): Kishan Dholakia ; Gabriel C. Spalding For the purchase of this volume in printed format, please visit   The demonstration of optical forces in the early s by Nobel laureate Arthur Ashkin [], [] led to the invention of optical traps or optical tweezers (OTs) 16 years later [], [].One year after their introduction, OTs were used for the first time in biology when Ashkin demonstrated the manipulation of bacteria and viruses [], [].He clearly demonstrated not only the three-dimensional trapping Cited by: 2.

A more recently developed technique, optical chromatography, uses a lightly focused laser beam introduced into a counter-propagating fluid containing the particles to be trapped.

Particle trapping and separation occurs through a balance of fluid drag forces and optical forces. Three optical-trapping schemes for whole-cell manipulation are presented in Figure first scheme shows transport trapping, in which cells are trapped in a parallel laser beam and moved in the beam-propagating driving force is derived directly from radiation pressure: photon momentum is transferred to cells as a result of the reflection or scattering of light when it hits the Cited by: creation of microtools known as optical tweezers and optical scissors has provided a new use for the laser in the field of micromanipulation [4].

We have investigated the use of the optical tweezers for controlled movement of retinal cells in vitro in order to study the regeneration of synapses between photoreceptors and second and third order neurons.

Evanescent optical landscapes are created by the total internal reflection (TIR) of two counterpropagating laser beams, and used to trap large numbers of submicron particles.

Varying the size of dielectric particles and the polarisations of the incident beams results in arrays of different symmetries and lattice by: 1. Current optical manipulation techniques rely on carefully engineered setups and samples.

Although similar conditions are routinely met in research laboratories, it is still a challenge to manipulate microparticles when the environment is not well controlled and known a priori, since optical imperfections and scattering limit the applicability of this technique to real-life situations, such as.

A flurry of activity in optical micromanipulation in the last decade has been fueled partly by advanced trapping geometries 5. The current tweezing geometry uses a microscope objective lens and a standard Gaussian laser beam. This arrangement can only provide a single ellipsoidal trap, elongated along the optic (z) axis.

These conventional techniques offer little flexibility for tailoring the optical potential in Cited by: micromanipulation: moving or trapping objects non-invasively using light.

It is over twenty years now since the conception of the most popular form of optical micromanipulation, the single beam optical trap termed ‘‘optical tweezers’’.1 However the first experiments in this. Conference Sunday-Thursday August Proceedings of SPIE Vol. Optical Trapping and Optical Micromanipulation VI Conference Chairs: Kishan Dholakia, Univ.

of St. Andrews (United Kingdom); Gabriel C. Spalding, Illinois Wesleyan Univ. Introduction. Optical tweezers are a powerful tool for non-contact, non-destructive manipulation of micron-sized particles. The single-beam gradient force optical trap was pioneered by Ashkin et al.

in In their experiment they showed how to exploit the intensity gradients of a focused Gaussian laser beam to trap dielectric particles ranging in size from tens of nanometers up to tens Cited by: Optical Trapping and Optical Micromanipulation Part of SPIE’s International Symposium on Optical Science and Technology - SPIE's 49th Annual Meeting (Conference AM) August • Denver, CO USA Proceedings of SPIE Vol.

AM Conference Chairs: Kishan Dholakia, Univ. of St. Andrews (United Kingdom); Gabriel C. Spalding, Illinois. Optical trapping of nanoparticles inside living zebrafish.

The optical transparency of the thin zebrafish larvae (Supplementary Movie 1; Supplementary Fig. 1) is unique among in vivo vertebrate models and one of the main reasons for its immense popularity as a model this in mind, we tested whether the zebrafish was also ‘optically see-through' for the infrared laser beam of the Cited by: Conference Sunday-Wednesday August Proceedings of SPIE Vol.

Optical Trapping and Optical Micromanipulation V Conference Chair: Kishan Dholakia, Univ. of St. Andrews (United Kingdom); Gabriel C. Spalding, Illinois Wesleyan Univ. Optical trapping and optical micromanipulation VI: AugustSan Diego, California, United States.

The optical trap position is maintained ahead of the sphere to provide a tangential driving force. The trap is also moved radially to harmonically constrain the sphere to the circular trajectory.

Analytically, it has been shown that two oscillators of this type are able to synchronise or Author: Luke J. Debono, Stuart Box, David B. Phillips, Stephen H. Simpson, Simon Hanna. Optical Tweezers and Optical Trapping Improved for Future Automated Micromanipulation and Characterization Optical trap arrays are being developed at the NASA Glenn Research Center for holding, manipulating, and optically interrogating arrays of nanotube sensors.

The trap arrays, for. We demonstrate on-demand production and optical manipulation of submicron-sized hydrosomes, water drops in an immiscible medium.

We use optical trapping techniques to induce the controlled fusion of multiple drops and study the dynamics of small amounts of reagent encapsulated within the : Carlos López-Mariscal, Kristian Helmerson.

In light-matter interaction, transfer of optical linear momentum and angular momentum gives rise to optical forces acting on the illuminated object, thus enabling the acceleration [], three-dimensional (3D) confinement [], spinning [], rotation [], and even negative pulling of particles [].Optical tweezers, the most well-known technique utilizing such forces to confine particles, provide a Author: Yansheng Liang, Shaohui Yan, Zhaojun Wang, Runze Li, Yanan Cai, Minru He, Baoli Yao, Ming Lei, Ming.Optical trapping and optical micromanipulation V: August,San Diego, California, USA.Optical Engineering Ebooks Advanced Search > Home > Proceedings > Volume > Article Cited by: 2.