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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 20 — Oct. 15, 1998
  • pp: 1567–1569

4Pi confocal microscopy with alternate interference

Stefan W. Hell and Matthias Nagorni  »View Author Affiliations


Optics Letters, Vol. 23, Issue 20, pp. 1567-1569 (1998)
http://dx.doi.org/10.1364/OL.23.001567


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Abstract

We introduce 4Pi confocal microscopy with destructive interference of converging waves. Linear lobe deconvolution as well as nonlinear restoration of 4Pi confocal raw data with their point-spread functions (PSF’s) leads to almost-identical images, irrespective of whether the 4Pi confocal PSF relies on constructive or destructive interference. Three-dimensional imaging of microtubules of a mouse fibroblast cell yielded an axial resolution near 100-nm in both cases. Moreover, restoration of 4Pi confocal images of the same object with alternate phases is introduced as a powerful test for (nonlinear) image restoration.

© 1998 Optical Society of America

OCIS Codes
(100.3020) Image processing : Image reconstruction-restoration
(180.1790) Microscopy : Confocal microscopy
(180.2520) Microscopy : Fluorescence microscopy
(260.3160) Physical optics : Interference

Citation
Stefan W. Hell and Matthias Nagorni, "4Pi confocal microscopy with alternate interference," Opt. Lett. 23, 1567-1569 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-20-1567


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References

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