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Appl. Phys. Lett. 82, 3125 (2003); http://dx.doi.org/10.1063/1.1571656 (3 pages)

Laser-diode-stimulated emission depletion microscopy

V. Westphal, C. M. Blanca, M. Dyba, L. Kastrup, and S. W. Hell

Max-Planck-Institute for Biophysical Chemistry, Department of NanoBiophotonics, Göttingen, Germany

(Received 9 January 2003; accepted 10 March 2003)

We report subdiffraction resolution in far-field fluorescence microscopy through laser-diode-stimulated emission depletion of molecular markers. The diode-generated focal intensities lead to a resolution improvement by ∼ 45% in both lateral directions. Excitation and stimulated emission are performed with electronically synchronized diode pulses of 50–70 ps and 300–400 ps duration, respectively. The subdiffraction resolution is utilized to resolve neighboring individual molecules. © 2003 American Institute of Physics.

© 2003 American Institute of Physics

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KEYWORDS and PACS

PACS

  • 07.79.-v

    Scanning probe microscopes and components

  • 42.30.Va

    Image forming and processing

ARTICLE DATA

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

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    References

    T. A. Klar, E. Engel, and S. W. Hell, Phys. Rev. E 64, 066613 (2001).


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