The manipulation of micron-sized metal particles by pulse laser

Jimin Chen; Daqing Shun; Xiajun Zhong

doi:10.1117/12.673448

5 October 2006 The manipulation of micron-sized metal particles by pulse laser

Jimin Chen, Daqing Shun, Xiajun Zhong

Proceedings Volume 6326, Optical Trapping and Optical Micromanipulation III; 63262F (2006) https://doi.org/10.1117/12.673448
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

In Selective Laser Micro Sintering the powder particles should be assembled or arranged and sintered together. Optical tweezers make used of optical refractive force to manipulate micro objects. Currently the manipulated objects are limited to nano or several micro meters scale. In this paper we develop a novel optical tweezers which employs pulse laser force to drive bigger particles and assemble them. This pulse laser is controlled to form spiral trap which can grasp big particles. In our experiment the 50μm- 100μm-diameter metal particles were moved on a solid surfaces in a process we call 'laser spiral driving force'. Nearly any shape particle, including sphere and non-regular shape, can be moved on the surfaces.

Citation Download Citation

Jimin Chen, Daqing Shun, and Xiajun Zhong "The manipulation of micron-sized metal particles by pulse laser", Proc. SPIE 6326, Optical Trapping and Optical Micromanipulation III, 63262F (5 October 2006); https://doi.org/10.1117/12.673448

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