Manipulation of microdisks in laser tweezers

by: Z Cheng, De Las, M Marquez, DA Weitz, TG Mason, PM Chaikin, K Dholakia, GC Spalding

Proc SPIE Int Soc Opt Eng, Vol. 5514, pp. 99-108.

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Abstract

Short thin cylinders can be the basic part of mesoscopic actuators powered by laser tweezers. We demonstrate that micro size birefringent colloidal coins can be positioned translationally and orientationally in advance of the prediction of current the oretical modeling. Circularly polarized laser tweezers keep driving the rotation of the microdisk. Viscous flow between a hard wall and a microdisk excites the disk to an oscillation orbit. These disks can be fabricated via solidification of emulsion drops by tuning temperature or solvent concentration so that molecules in the drop assuming a smectic phase. Sponsors: SPIE - The International Society for Optical Engineering

@inproceedings{citeulike:1401047, abstract = {Short thin cylinders can be the basic part of mesoscopic actuators powered by laser tweezers. We demonstrate that micro size birefringent colloidal coins can be positioned translationally and orientationally in advance of the prediction of current the oretical modeling. Circularly polarized laser tweezers keep driving the rotation of the microdisk. Viscous flow between a hard wall and a microdisk excites the disk to an oscillation orbit. These disks can be fabricated via solidification of emulsion drops by tuning temperature or solvent concentration so that molecules in the drop assuming a smectic phase. Sponsors: SPIE - The International Society for Optical Engineering}, address = {Department of Physics, Princeton University, Princeton, NJ 08544, United States}, author = {Cheng, Z. and De Las and Marquez, M. and Weitz, D. A. and Mason, T. G. and Chaikin, P. M. and Dholakia, K. and Spalding, G. C. }, citeulike-article-id = {1401047}, doi = {10.1117/12.556009}, journal = {Proc SPIE Int Soc Opt Eng}, keywords = {manipulation, microdisks, microparticles, optical, rotation, torque, tweezers}, pages = {99--108}, posted-at = {2007-06-20 14:17:22}, priority = {5}, series = {Optical Trapping and Optical Micromanipulation}, title = {Manipulation of microdisks in laser tweezers}, url = {http://dx.doi.org/10.1117/12.556009}, volume = {5514} }

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TY - CONF ID - citeulike:1401047 L3 - citeulike-article-id:1401047 TI - Manipulation of microdisks in laser tweezers SE - Optical Trapping and Optical Micromanipulation JF - Proc SPIE Int Soc Opt Eng VL - 5514 SP - 99 EP - 108 AD - Department of Physics, Princeton University, Princeton, NJ 08544, United States N2 - Short thin cylinders can be the basic part of mesoscopic actuators powered by laser tweezers. We demonstrate that micro size birefringent colloidal coins can be positioned translationally and orientationally in advance of the prediction of current the oretical modeling. Circularly polarized laser tweezers keep driving the rotation of the microdisk. Viscous flow between a hard wall and a microdisk excites the disk to an oscillation orbit. These disks can be fabricated via solidification of emulsion drops by tuning temperature or solvent concentration so that molecules in the drop assuming a smectic phase. Sponsors: SPIE - The International Society for Optical Engineering KW - manipulation KW - microdisks KW - microparticles KW - optical KW - rotation KW - torque KW - tweezers AU - Cheng, Z AU - De Las AU - Marquez, M AU - Weitz, DA AU - Mason, TG AU - Chaikin, PM AU - Dholakia, K AU - Spalding, GC UR - http://dx.doi.org/10.1117/12.556009 ER -

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