26 June 2001 Potential of near- and far-field techniques for the detection of nanoemitters on laser-illuminated surface
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Proceedings Volume 4423, Nonresonant Laser-Matter Interaction (NLMI-10); (2001) https://doi.org/10.1117/12.431215
Event: Nonresonant Laser-Matter Interaction (NLMI-10), 2000, St. Petersburg, Russian Federation
Abstract
A simple technique for density determination of nm-sized light-emitting areas on a flat surface such as those produced by quantum dots is proposed. The method is based on the measurements of luminescence intensity fluctuations at the center of inhomogeneously broadened spectral band from a sample illuminated through a series of mask with apertures in the 0.1-1 micrometers range. The fluctuation amplitudes depend crucially on the number of emitters involved. As shown by simulation the latter may be established with better than 100 percent accuracy as well as the averaged surface density. With aperture diameter as small as approximately 0,2 (lambda) in-depth discrimination of QDs in the aperture near-field is possible.
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Gleb S. Zhdanov, "Potential of near- and far-field techniques for the detection of nanoemitters on laser-illuminated surface", Proc. SPIE 4423, Nonresonant Laser-Matter Interaction (NLMI-10), (26 June 2001); doi: 10.1117/12.431215; https://doi.org/10.1117/12.431215
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