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Optical head with a butted-grating structure that generates a subwavelength spot for laser-assisted magnetic recording
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10.1063/1.2711069
/content/aip/journal/jap/101/9/10.1063/1.2711069
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/9/10.1063/1.2711069
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Basic concept of butted-grating structure.

Image of FIG. 2.
FIG. 2.

Proposed butted grating structure.

Image of FIG. 3.
FIG. 3.

Computational model of optical head.

Image of FIG. 4.
FIG. 4.

Calculated results for spot profile from the aperture plane.

Image of FIG. 5.
FIG. 5.

SNOM image measured in the collection mode.

Image of FIG. 6.
FIG. 6.

Measured spot and calculated spot in the direction at from the aperture plane.

Image of FIG. 7.
FIG. 7.

Measured spot and calculated spot in the direction at from the aperture plane.

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/content/aip/journal/jap/101/9/10.1063/1.2711069
2007-05-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical head with a butted-grating structure that generates a subwavelength spot for laser-assisted magnetic recording
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/9/10.1063/1.2711069
10.1063/1.2711069
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