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A compact multi-trap optical tweezer system based on CD-ROM technologies

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

Abstract

We implemented an integrated time sharing multiple optical trapping system through the synchronisation of high speed voice coil scanning lens and laser pulsing. The integration is achieved by using commonly available optical pickup unit (OPU) that exists inside optical drives. Scanning frequencies of up to 2 kHz were showed to achieve arbitrary distribution of optical traps within the one-dimensional scan range of the voice coil motor. The functions of the system were demonstrated by the imaging and trapping of 1 μm particles and giant unilamellar vesicles (GUVs). The new device circumvents existing bulky laser scanning systems (4f lens systems) with an integrated laser and lens steering platform that can be integrated on a variety of microscopy platforms (confocal, lightsheet, darkfield).

Original languageEnglish
Title of host publicationOptical Trapping and Optical Micromanipulation XIV
EditorsGabriel C. Spalding, Kishan Dholakia
PublisherSPIE
ISBN (Electronic)9781510611511
DOIs
Publication statusPublished - 2017
EventOptical Trapping and Optical Micromanipulation XIV 2017 - San Diego, United States
Duration: 6 Aug 201710 Aug 2017

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10347
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceOptical Trapping and Optical Micromanipulation XIV 2017
Country/TerritoryUnited States
CitySan Diego
Period6/08/1710/08/17

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