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Proceedings Paper

Angular dependence of near-field scattering light from superresolution near-field structure disk
Author(s): Takashi Nakano; Takashi Gibo; Liqiu Q. Men; Hiroshi Fuji; Junji Tominaga; Nobufumi Atoda
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Paper Abstract

We describe the angular dependence of near-field signals generated in super-resolution near-field structure (Super- RENS) disks. The carrier-to-noise ratio (CNR) of transmitted signals using different numerical aperture's (NA's) lenses, were mostly the same values, experimentally. While on computer simulation by finite-difference time-domain (FDTD) method, it was found that most scattered signals were trapped around the optical axis.

Paper Details

Date Published: 7 February 2001
PDF: 3 pages
Proc. SPIE 4085, Fifth International Symposium on Optical Storage (ISOS 2000), (7 February 2001); doi: 10.1117/12.416842
Show Author Affiliations
Takashi Nakano, National Institute for Advanced Interdisciplinary Research (Japan)
Takashi Gibo, National Institute for Advanced Interdisciplinary Research (Japan)
Liqiu Q. Men, National Institute for Advanced Interdisciplinary Research (Japan)
Hiroshi Fuji, Sharp Corp. (Japan)
Junji Tominaga, National Institute for Advanced Interdisciplinary Research (Japan)
Nobufumi Atoda, National Institute for Advanced Interdisciplinary Research (Japan)


Published in SPIE Proceedings Vol. 4085:
Fifth International Symposium on Optical Storage (ISOS 2000)
Fuxi Gan; Lisong Hou, Editor(s)

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