Parallel manipulation using evanescent optical landscapes

C. López-Mariscal, K. Helmerson

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review


Optical trapping is a flexible and noninvasive technique that allows for the manipulation of single dielectric particles. Conventional single and multiple beam laser traps however, are limited by the amount of trapping sites that can be embedded in their wave field with a sufficiently high intensity gradient. We make use the interference of multiple beams and total internal reflection to couple an extended evanescent optical field to a large number of particles in a 2-D periodical landscape. The particles are confined and manipulated by modifying the spatial parameters of the landscape. We ultimately intend to use this technique for the parallel fusion of multiple pairs of microscopic droplets to investigate the dynamics of micro-reactions.

Original languageEnglish
Title of host publicationOptical Trapping and Optical Micromanipulation V
Publication statusPublished - 21 Nov 2008
Externally publishedYes
EventOptical Trapping and Optical Micromanipulation V - San Diego, United States of America
Duration: 10 Aug 200813 Aug 2008

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


ConferenceOptical Trapping and Optical Micromanipulation V
CountryUnited States of America
CitySan Diego

Cite this