Laser patterning and fabrication of nano/microparticle systems in solution

Syoji Ito; Toshiaki Mizuno; Hiroyuki Yoshikawa; Hiroshi Masuhara

doi:10.1117/12.559400

18 October 2004 Laser patterning and fabrication of nano/microparticle systems in solution

Syoji Ito, Toshiaki Mizuno, Hiroyuki Yoshikawa, Hiroshi Masuhara

Proceedings Volume 5514, Optical Trapping and Optical Micromanipulation; (2004) https://doi.org/10.1117/12.559400
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Laser manipulation technique was applied to the patterning of single nano/microparticles in solution at room temperature. Individual gold nanoparticles were optically manipulated to the surface of a glass substrate in ethylene glycol. An ultraviolet laser beam was focused to the nanoparticle, which led to the transient temperature elevation of the particle, resulting in its photothermal fixation. A set of gold nanoparticles was aligned in the anisotropic optical potential well of a tightly focused laser beam with linear polarization and was adhered onto the substrate through the same photothermal method keeping their alignment. Combination of a microstereolithography with the laser trapping method enabled us to fabricate three-dimensional microstructures of resin and fix microparticles to them.

Citation Download Citation

Syoji Ito, Toshiaki Mizuno, Hiroyuki Yoshikawa, and Hiroshi Masuhara "Laser patterning and fabrication of nano/microparticle systems in solution", Proc. SPIE 5514, Optical Trapping and Optical Micromanipulation, (18 October 2004); https://doi.org/10.1117/12.559400

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