Recording by microexplosion and two-photon reading of three-dimensional optical memory in polymethylmethacrylate films

K. Yamasaki; S. Juodkazis; M. Watanabe; H. B. Sun; S. Matsuo; H. Misawa

doi:10.1063/1.125919

Recording by microexplosion and two-photon reading of three-dimensional optical memory in polymethylmethacrylate films

K. Yamasaki, S. Juodkazis, M. Watanabe, H. B. Sun, S. Matsuo, H. Misawa

研究成果: Article › 査読

118 被引用数 (Scopus)

抄録

We report the recording of a three-dimensional (3D) pattern in bulk polymethyl metacrylate (PMMA) films by microexplosion induced by a tightly focused (numerical aperture of oil-immersion objective was 1.3) single laser shot. Recording was done by picosecond (ps) single-pulse irradiation at 532 nm and by femtosecond at a 400 nm wavelength. The light-induced damage threshold of PMMA was found at ∼4 MW/cm² for ps damaging. Readout of the 3D pattern was carried out by the recording of the transmission and the photoluminescence (PL) of bits. We demonstrate the possibility exciting PL of the optically damaged area inside the PMMA by one- and two-photon absorption.

本文言語	English
ページ（範囲）	1000-1002
ページ数	3
ジャーナル	Applied Physics Letters
巻	76
号	8
DOI	https://doi.org/10.1063/1.125919
出版ステータス	Published - 2000 2月 21
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（その他）

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10.1063/1.125919

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AU - Yamasaki, K.

AU - Juodkazis, S.

AU - Watanabe, M.

AU - Sun, H. B.

AU - Matsuo, S.

AU - Misawa, H.

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Recording by microexplosion and two-photon reading of three-dimensional optical memory in polymethylmethacrylate films

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