Improved performance in coaxial holographic data recording | Zendy

Kenji Tanaka | Zendy; Masaaki Hara | Zendy; Kazutatsu Tokuyama | Zendy; Kazuyuki Hirooka | Zendy; Koji Ishioka | Zendy; Atsushi Fukumoto | Zendy; Kenjiro Watanabe | Zendy

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Improved performance in coaxial holographic data recording

Author(s) -

Kenji Tanaka,

Masaaki Hara,

Kazutatsu Tokuyama,

Kazuyuki Hirooka,

Koji Ishioka,

Atsushi Fukumoto,

Kenjiro Watanabe

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.016196

Subject(s) - optics , coaxial , holography , holographic data storage , 3d optical data storage , numerical aperture , gigabit , lens (geology) , diffraction efficiency , optical storage , aperture (computer memory) , noise (video) , binary data , optical recording , materials science , computer science , binary number , physics , wavelength , telecommunications , acoustics , arithmetic , mathematics , artificial intelligence , image (mathematics)

We describe a coaxial holographic recording system for achieving high recording density. We implement several techniques, such as an objective lens with high numerical aperture (NA), high capacity page data format, a random binary phase mask, and an optical noise reduction element. Our system successfully realizes a hologram recording/retrieving at a low diffraction efficiency less than 2.0 x 10(-3) and achieves a raw data density of 180 Gbit/in.(2), thus demonstrating the potential of a coaxial holographic system for high-density optical storage systems.

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