Journal of the Optical Society of Korea

  • 제15권1호
  • /
  • Pages.78-81
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  • 2011
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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Solid Immersion Lens Microscope for Spectroscopy of Nanostructure Materials

  • 투고 : 2010.11.04
  • 심사 : 2011.01.05
  • 발행 : 2011.03.25
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초록

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 ${\sim}10\;{\mu}m^{-2}$ densities was possible over an ${\sim}30\;{\mu}m$ 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.

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참고문헌

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피인용 문헌

  1. Complete modeling of subsurface microscopy system based on aplanatic solid immersion lens vol.29, pp.11, 2012, https://doi.org/10.1364/JOSAA.29.002350
  2. Variable-focus Liquid Lens Based on a Laterally-integrated Thermopneumatic Actuator vol.16, pp.1, 2012, https://doi.org/10.3807/JOSK.2012.16.1.022
  3. Dyadic Green’s function for aplanatic solid immersion lens based sub-surface microscopy vol.19, pp.20, 2011, https://doi.org/10.1364/OE.19.019280
  4. A Millimetre-Wave Cuboid Solid Immersion Lens with Intensity-Enhanced Amplitude Mask Apodization vol.39, pp.6, 2018, https://doi.org/10.1007/s10762-018-0479-1