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Optical nanoscopy turns coherent

The ability to switch fluorophores on and off is key to performing super-resolution nanoscopy. To date, all switching schemes have been based on an incoherent response to the laser field. Now, a nanoscope that uses on–off coherent switching of quantum dots has been demonstrated.

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Fig. 1: Comparison of STED with RAP super-resolution nanoscopy.

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Correspondence to Thomas A. Klar.

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Klar, T.A. Optical nanoscopy turns coherent. Nature Photon 12, 63–65 (2018). https://doi.org/10.1038/s41566-018-0093-8

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