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Near-field optical recording using a planar solid immersion mirror
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10.1063/1.2093937
/content/aip/journal/apl/87/15/10.1063/1.2093937
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/15/10.1063/1.2093937
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of a planar solid immersion mirror. A two-dimensional parabolic mirror is fabricated in an optical planar waveguide. Light propagating in the waveguide enters into the solid immersion mirror and is brought to focus.

Image of FIG. 2.
FIG. 2.

Schematic of the optical storage test setup with a PSIM contacting the sample. It includes illumination optics for excitation of a waveguide mode, a confocal microscope detection module, and a machine vision system for optical alignment.

Image of FIG. 3.
FIG. 3.

(Color) Calculated electric field intensity distribution of the PSIM focusing. (a) Transverse component intensity. (b) Longitudinal component intensity.

Image of FIG. 4.
FIG. 4.

(Color) Marks in a phase-change sample written by a PSIM device at light wavelength and read with a SNOM. The marks were written by pulsing the laser with sample moving at normal to the PSIM waveguide plane. The signal is due to the transmission of light through the sample with a near-field aperture scanning on the film surface in the contact mode. The center-to-center distance between two recorded tracks is and that between two neighboring marks along a track is .

Image of FIG. 5.
FIG. 5.

(Color) The same as Fig. 4, except for the laser for writing has wavelength . The center-to-center distance between two recorded tracks is and that between two neighboring marks along a track is . The incident optical power on the grating coupler is (a) and (b) .

Image of FIG. 6.
FIG. 6.

(Color) (a) Topography obtained with an atomic-force-microscope and (b) optical readout signal with PSIM (b) of a recorded region on the phase-change sample. The distance between two arrows in (a) is . For writing and optical readout, light wavelength .

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/content/aip/journal/apl/87/15/10.1063/1.2093937
2005-10-03
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Near-field optical recording using a planar solid immersion mirror
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/15/10.1063/1.2093937
10.1063/1.2093937
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