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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 15, Iss. 1 — Mar. 1, 2011
  • pp: 78–81

Solid Immersion Lens Microscope for Spectroscopy of Nanostructure Materials

Sang-Youp Yim, Joon-Heon Kim, and Jong-Min Lee  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 15, Issue 1, pp. 78-81 (2011)


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Abstract

We demonstrate a high-spatial-resolution imaging and spectroscopy tool using a solid immersion lens (SIL), a hemispherical lens made of high refractive index glass (n ~2). Photoluminescence (PL) images of single CdSe nanocrystals confirm a numerical aperture enhancement factor of ~2, close to the refractive index of the SIL. In particular, a bare-eye observation of PL signals emitted by single nanocrystals with ~10 µm-2 densities was possible over an ~30 µm diameter region. In addition, the PL spectra of single CdSe nanocrystals were successfully measured at room temperature. Thus, this SIL microscope ensures a simple but powerful method for nanostructure spectroscopy.

© 2011 Optical Society of Korea

OCIS Codes
(180.2520) Microscopy : Fluorescence microscopy
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(160.4236) Materials : Nanomaterials

History
Original Manuscript: November 4, 2010
Revised Manuscript: January 5, 2011
Manuscript Accepted: January 5, 2011
Published: March 25, 2011

Citation
Sang-Youp Yim, Joon-Heon Kim, and Jong-Min Lee, "Solid Immersion Lens Microscope for Spectroscopy of Nanostructure Materials," J. Opt. Soc. Korea 15, 78-81 (2011)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-15-1-78


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References

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