Investigations on Diamond-NV-Centers as Alternative Labels in STED Microscopy

Authors:

Mohammad Nouri, Gunilla Harm, Paolo Olivero, Tobias Voß, Stefanie Kroker, Bernd Bodermann

Keywords:

Diamond-NV-Centers; Label; STED; nitrogen-vacancy

Abstract:

We investigate diamond nitrogen-vacancy (NV) centers as alternative labels in stimulated emission depletion (STED) microscopy. To this end, artificial diamond is used as a substrate and Raman spectroscopy in photoluminescence (PL) mode is performed for clearly identifying the emission wavelengths of the NV centers. With the aid of a STED microscopy system, we imaged a random feature on substrate surface with the NV-centers in STED and confocal mode. Our first measurements indicate that the combination of NV centers and STED is very promising for resolving the structures and can be further extended to nanoscale structures applied on the diamond substrates.

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