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

T. McMenamin; W. M. Lee

doi:10.1117/12.2273674

25 August 2017 A compact multi-trap optical tweezer system based on CD-ROM technologies

T. McMenamin, W. M. Lee

Proceedings Volume 10347, Optical Trapping and Optical Micromanipulation XIV; 103472O (2017) https://doi.org/10.1117/12.2273674
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

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).

Conference Presentation

Citation Download Citation

T. McMenamin and W. M. Lee "A compact multi-trap optical tweezer system based on CD-ROM technologies", Proc. SPIE 10347, Optical Trapping and Optical Micromanipulation XIV, 103472O (25 August 2017); https://doi.org/10.1117/12.2273674

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