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

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

研究成果: Article

111 引用 (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.

元の言語English
ページ(範囲)1000-1002
ページ数3
ジャーナルApplied Physics Letters
76
発行部数8
出版物ステータスPublished - 2000 2 21
外部発表Yes

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recording
photons
photoluminescence
yield point
numerical aperture
submerging
shot
readout
oils
irradiation
pulses
wavelengths
lasers

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

これを引用

Recording by microexplosion and two-photon reading of three-dimensional optical memory in polymethylmethacrylate films. / Yamasaki, K.; Juodkazis, S.; Watanabe, M.; Sun, H. B.; Matsuo, Shigeki; Misawa, H.

:: Applied Physics Letters, 巻 76, 番号 8, 21.02.2000, p. 1000-1002.

研究成果: Article

Yamasaki, K, Juodkazis, S, Watanabe, M, Sun, HB, Matsuo, S & Misawa, H 2000, 'Recording by microexplosion and two-photon reading of three-dimensional optical memory in polymethylmethacrylate films', Applied Physics Letters, 巻. 76, 番号 8, pp. 1000-1002.
Yamasaki, K. ; Juodkazis, S. ; Watanabe, M. ; Sun, H. B. ; Matsuo, Shigeki ; Misawa, H. / Recording by microexplosion and two-photon reading of three-dimensional optical memory in polymethylmethacrylate films. :: Applied Physics Letters. 2000 ; 巻 76, 番号 8. pp. 1000-1002.
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