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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 22 — Nov. 15, 1997
  • pp: 1663–1665

Gold-bead scanning near-field optical microscope with laser-force position control

Tadao Sugiura, Takao Okada, Yasushi Inouye, Osamu Nakamura, and Satoshi Kawata  »View Author Affiliations


Optics Letters, Vol. 22, Issue 22, pp. 1663-1665 (1997)
http://dx.doi.org/10.1364/OL.22.001663


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Abstract

We have developed a scanning near-field optical microscope with an optically trapped metallic particle that has a small diameter compared to the wavelength of visible light. In this microscope we employed spot illumination to enhance the intensity of light scattered from a probe particle so we could reduce the diameter of the probe particle to 40nm. We detected slight irregularities of the surface of the cover glass near 10-nm depth. Also, we observed gold colloidal particles on the surface of the cover glass.

© 1997 Optical Society of America

Citation
Tadao Sugiura, Takao Okada, Yasushi Inouye, Osamu Nakamura, and Satoshi Kawata, "Gold-bead scanning near-field optical microscope with laser-force position control," Opt. Lett. 22, 1663-1665 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-22-1663

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