Low cost optical tweezers systems using double coil driving stepping motor to controlling sample stage

N. Laowattanatham; N. Cheamanunkul; S. Plaipichit; P. Buranasiri; R. Nuansri

doi:10.1117/12.2022116

7 June 2013 Low cost optical tweezers systems using double coil driving stepping motor to controlling sample stage

N. Laowattanatham, N. Cheamanunkul, S. Plaipichit, P. Buranasiri, R. Nuansri

Proceedings Volume 8883, ICPS 2013: International Conference on Photonics Solutions; 88830U (2013) https://doi.org/10.1117/12.2022116
Event: International Conference on Photonics Solutions 2013, 2013, Pattaya City, Thailand

Abstract

In this research, the low cost optical tweezers systems using X-Y stage has been developed by using 5-phase stepping motor. By using sequential double coil driving, we can obtain the driving torque larger than using the single coil driving. The moving scale is fine resolution at 0.2 micrometer. The overall systems based on microcontroller PIC18F458 and joystick controller with LabView® graphical user interface (GUI). The mechanical damping has been included in the system for decreasing the vibrational noise. By using this method, our optical tweezers system is cheaper than the other commercial system that has been used the piezoelectric driving, and still has the same efficiency.

Citation Download Citation

N. Laowattanatham, N. Cheamanunkul, S. Plaipichit, P. Buranasiri, and R. Nuansri "Low cost optical tweezers systems using double coil driving stepping motor to controlling sample stage", Proc. SPIE 8883, ICPS 2013: International Conference on Photonics Solutions, 88830U (7 June 2013); https://doi.org/10.1117/12.2022116

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