Substrate noise in optical data-storage systems

Chubing Peng, Masud Mansuripur, Miho Ikenishi, Michiyori Miura

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Noise in optical disk readout has been examined for different polarizations of the incident beam. The disks studied are bare grooved glass substrates, having different groove shapes or differing jaggedness in the sidewalk. We perform measurements for the electric field of the incident laser beam parallel to the track and perpendicular to the track using both differential magneto-optical and conventional phase-change readout schemes. The incident beam of light is focused on the grooved surface of the (bare) substrate either through the substrate or directly from the air. Experiments reveal that the noise level is dependent on the state of polarization, the nature of the track (i.e., land or groove), and the medium of incidence. Surface roughness and sidewall jaggedness are two dominant contributors to the media noise in these substrates.

Original languageEnglish (US)
Pages (from-to)3379-3386
Number of pages8
JournalApplied Optics
Volume40
Issue number20
StatePublished - Jul 10 2001

Fingerprint

Optical data storage
data storage
Substrates
grooves
readout
Polarization
optical disks
polarization
Laser beams
surface roughness
incidence
Surface roughness
Electric fields
laser beams
Glass
electric fields
glass
air
Air
Experiments

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Peng, C., Mansuripur, M., Ikenishi, M., & Miura, M. (2001). Substrate noise in optical data-storage systems. Applied Optics, 40(20), 3379-3386.

Substrate noise in optical data-storage systems. / Peng, Chubing; Mansuripur, Masud; Ikenishi, Miho; Miura, Michiyori.

In: Applied Optics, Vol. 40, No. 20, 10.07.2001, p. 3379-3386.

Research output: Contribution to journalArticle

Peng, C, Mansuripur, M, Ikenishi, M & Miura, M 2001, 'Substrate noise in optical data-storage systems', Applied Optics, vol. 40, no. 20, pp. 3379-3386.
Peng C, Mansuripur M, Ikenishi M, Miura M. Substrate noise in optical data-storage systems. Applied Optics. 2001 Jul 10;40(20):3379-3386.
Peng, Chubing ; Mansuripur, Masud ; Ikenishi, Miho ; Miura, Michiyori. / Substrate noise in optical data-storage systems. In: Applied Optics. 2001 ; Vol. 40, No. 20. pp. 3379-3386.
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