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Metal-glass nanocomposite for optical storage of information
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) (a) Examples of ∼500 nm dichroic spots written by laser in the sample. Blue arrows show the orientations of the polarizer in front of the camera used for readout of the images. (b) Examples of large dichroic areas. From left to right, the number of pulses per spot was increased from 200 to 500. Here, the red arrows indicate the polarization of laser light during writing. (c) The polarization contrast as a function of wavelength.

Image of FIG. 2.
FIG. 2.

(Color online) Nine squares are written by irradiating the sample with the same laser parameters (intensity and number of pulses per spot fired) but for different linear laser polarizations. Red arrows show the direction of the laser polarization for irradiating each area. (a) The image is taken with one polarizer in front of the camera. The blue arrow defines the direction of polarization for this polarizer. (b)–(d) Here, the images are taken when the sample is placed between two cross polarizers. Blue arrows define the polarization direction of the polarizers: (b) polarizers are rotated by 20° with respect to the sample; (c) 45°, and in (d) 70°.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Spectra of polarization contrast for different values of angle between the dichroism inscribed in the nanocomposite and polarization axis of the light. (b) Transmission of a linearly polarized He-Ne laser through the irradiated area as a function of the polarization angle.

Image of FIG. 4.
FIG. 4.

(Color online) The proposed readout approach. Red arrows show the polarization axis of the structured polarizer; PD-Array—an array of photo-diodes.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Metal-glass nanocomposite for optical storage of information