Readout Characteristics of a Near-Field Optical Probe as a Data-Storage Readout Device: Submicrometer Scan Height and Resolution
Applied Optics, Vol. 38, Issue 5, pp. 863-868 (1999)
http://dx.doi.org/10.1364/AO.38.000863
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Abstract
A photodiode-embedded near-field scanning microscope cantilever (photocantilever) was used to scan in a noncontact, constant-height mode at a range common in hard disk drives to examine its readout capabilities when mounted on a flying-slider head. The intensity ratios of spatial frequencies that compose the obtained near-field image were analyzed by use of the fast Fourier transform. A simplified model was developed as a guiding principle for estimating the readout characteristics of the near-field optical probe in the above-proximity scan-height range.
© 1999 Optical Society of America
OCIS Codes
(110.2960) Imaging systems : Image analysis
(180.5810) Microscopy : Scanning microscopy
(210.4680) Optical data storage : Optical memories
(210.4770) Optical data storage : Optical recording
(230.5170) Optical devices : Photodiodes
Citation
Hiroshi Yoshikawa, Toshifumi Ohkubo, Kenji Fukuzawa, Laurence Bouet, and Manabu Yamamoto, "Readout Characteristics of a Near-Field Optical Probe as a Data-Storage Readout Device: Submicrometer Scan Height and Resolution," Appl. Opt. 38, 863-868 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-5-863
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