All-optical thermometry using a single multimode fiber endoscope and diamond nanoparticles containing nitrogen vacancy centers

Photoluminescence (PL) spectra from diamond nanoparticles containing negative nitrogen vacancy centers were measured by using a single multimode fiber endoscope combined with a high-sensitivity spectroscopy system. A laser light spot was produced at the distal end of the endoscope and the PL spectra...

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Bibliographic Details
Published in:Review of scientific instruments 2022-08, Vol.93 (8), p.083705-083705
Main Authors: Ishikawa, Lisa, Shikama, Taiichi, Kakuno, Takayuki, Watanabe, Takato, Jouda, Mazin, Hasuo, Masahiro
Format: Article
Language:English
Subjects:
Diamonds
Endoscopes
Light spots
Nanoparticles
Nitrogen
Photoluminescence
Scientific apparatus & instruments
Sensitivity
Spectra
Temperature dependence
Vacancies
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Summary:Photoluminescence (PL) spectra from diamond nanoparticles containing negative nitrogen vacancy centers were measured by using a single multimode fiber endoscope combined with a high-sensitivity spectroscopy system. A laser light spot was produced at the distal end of the endoscope and the PL spectra from a temperature-controlled ensemble of diamond nanoparticles were measured. After calibrating the sensitivity and wavelength of the spectroscopy system, the temperature dependence of the zero-phonon line peak wavelength similar to those previously reported was obtained.
ISSN:0034-6748
1089-7623
DOI:10.1063/5.0102531