Localized thermal processing with a laser‐trapped and heated metal nanoparticle | Zendy

Numata Takayuki | Zendy; Tatsuta Hirokazu | Zendy; Morita Yoshiaki | Zendy; Otani Yukitoshi | Zendy; Umeda Norihiro | Zendy

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Localized thermal processing with a laser‐trapped and heated metal nanoparticle

Author(s) -

Numata Takayuki,

Tatsuta Hirokazu,

Morita Yoshiaki,

Otani Yukitoshi,

Umeda Norihiro

Publication year - 2007

Publication title -

ieej transactions on electrical and electronic engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.254

H-Index - 30

eISSN - 1931-4981

pISSN - 1931-4973

DOI - 10.1002/tee.20161

Subject(s) - photothermal therapy , materials science , substrate (aquarium) , laser , nanoparticle , thermal , continuous wave , irradiation , optoelectronics , photothermal effect , radiation , nanotechnology , optics , oceanography , physics , meteorology , nuclear physics , geology

We report localized thermal processing using a laser‐trapped and heated metal nanoparticle. A metal nanoparticle trapped by a focused, continuous wave (CW), near‐infrared laser was heated by photothermal conversion and acted as a remotely controllable nanosized thermal tool for processing a workpiece. We demonstrated the processing of a glass substrate with an optically trapped gold nanoparticle (diameter 200 nm) irradiated by a Nd:YAG laser (λ = 1.064 µm, CW). Laser irradiation caused local melting of the substrate and a crater‐like nanosized imprint on the substrate, demonstrating thermal nanoprocessing of an optically transparent material. Copyright © 2007 Institute of Electrical Engineers of Japan© 2007 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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