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Topographical Change of Azopolymer Surface Induced by Optical Near-Field around Photo-Irradiated Nanoparticles
Osamu WATANABE Taiji IKAWA Makoto HASEGAWA Masaaki TSUCHIMORI Yoshimasa KAWATA Chikara EGAMI Okihiro SUGIHARA Naomichi OKAMOTO
IEICE TRANSACTIONS on Electronics
Publication Date: 2000/07/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Issue on Organic Molecular Electronics for the 21st Century)
Category: Thin Film
optical near-filed, transcription of arrayed structure, nanoparticles, pulsed laser, azopolymer,
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Topographical changes induced by optical near-field around photo-irradiated nanoparticles were attained using a pulsed laser with a large peak power as a light source. The arrayed structure of nanoparticles was transcribed on urethane-urea azo copolymer film as dent structure. The experiments by the pulsed laser of different wavelength showed that the topographical change was caused by the light absorption. The dent diameter and the dent depth changed depending on the diameter of nanoparticles.