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2004•Japanese Journal of Applied PhysicsRequires access

Write-Once Disk with BiFeO Thin Films for Multilevel Optical Recording

Noboru Sasa, Yoshitaka Hayashi, Toshishige Fujii, Kawori Otaka, Atsuyuki Watada, Hisamitsu Kamezaki, Hirotaka Komoda

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Abstract

We found out that small marks are formed without large deformation and intersymbol interference (ISI) on a BiFeO thin film. Therefore, a BiFeO write-once disk is suitable for multilevel optical recording. We confirmed that our write-once disk realizes a recording capacity of 23 GB using a laser diode with a 405 nm wavelength and a 0.65 numerical aperture objective lens.

About this research paper

What this paper is about

We found out that small marks are formed without large deformation and intersymbol interference (ISI) on a BiFeO thin film. Therefore, a BiFeO write-once disk is suitable for multilevel optical recording. We confirmed that our write-once disk realizes a recording capacity of 23 GB using a laser diode with a 405 nm wavelength and a 0.65 numerical aperture objective lens.

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OpenAlex reports 9 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

We found out that small marks are formed without large deformation and intersymbol interference (ISI) on a BiFeO thin film. Therefore, a BiFeO write-once disk is suitable for multilevel optical recording. We confirmed that our write-once disk realizes a recording capacity of 23 GB using a laser diode with a 405 nm wavelength and a 0.65 numerical aperture objective lens.

Key concepts: Numerical aperture, Optical disc, Optical recording, Materials science, Optics, Thin film, Wavelength, Laser diode

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