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

Research output: Contribution to journal › Article › peer-review

80 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	1000-1002
Number of pages	3
Journal	Applied Physics Letters
Volume	76
Issue number	8
DOIs	https://doi.org/10.1063/1.125919
Publication status	Published - 2000 Feb 21
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.125919

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

abstract = "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.",

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AU - Yamasaki, K.

AU - Juodkazis, S.

AU - Watanabe, M.

AU - Sun, H. B.

AU - Matsuo, S.

AU - Misawa, H.

PY - 2000/2/21

Y1 - 2000/2/21

N2 - 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.

AB - 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.

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

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