Publikation:

Artifact free time resolved near-field spectroscopy

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Datum

2017

Autor:innen

Sternbach, Aaron J.
Hinton, Jamie
Slusar, Tetiana
McLeod, Alex S.
Liu, Mengkun
Frenzel, Alex
Wagner, M.
Iraheta, Ruben
Keilmann, Fritz
et al.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-2f2w0wuajy0g6
DOI (zitierfähiger Link)
https://doi.org/10.1364/OE.25.028589
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Published

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Optics Express. 2017, 25(23), pp. 28589-28611. eISSN 1094-4087. Available under: doi: 10.1364/OE.25.028589

Zusammenfassung

We report on the first implementation of ultrafast near field measurements carried out with the transient pseudoheterodyne detection method (Tr-pHD). This method is well suited for efficient and artifact free pump-probe scattering-type near-field optical microscopy with nanometer scale resolution. The Tr-pHD technique is critically compared to other data acquisition methods and found to offer significant advantages. Experimental evidence for the advantages of Tr-pHD is provided in the near-IR frequency range. Crucial factors involved in achieving proper performance of the Tr-pHD method with pulsed laser sources are analyzed and detailed in this work. We applied this novel method to femtosecond time-resolved and nanometer spatially resolved studies of the photo-induced effects in the insulator-to-metal transition system vanadium dioxide.

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530 Physik

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ISO 690STERNBACH, Aaron J., Jamie HINTON, Tetiana SLUSAR, Alex S. MCLEOD, Mengkun LIU, Alex FRENZEL, M. WAGNER, Ruben IRAHETA, Fritz KEILMANN, Alfred LEITENSTORFER, 2017. Artifact free time resolved near-field spectroscopy. In: Optics Express. 2017, 25(23), pp. 28589-28611. eISSN 1094-4087. Available under: doi: 10.1364/OE.25.028589
BibTex
@article{Sternbach2017-11-13Artif-40959,
  year={2017},
  doi={10.1364/OE.25.028589},
  title={Artifact free time resolved near-field spectroscopy},
  number={23},
  volume={25},
  journal={Optics Express},
  pages={28589--28611},
  author={Sternbach, Aaron J. and Hinton, Jamie and Slusar, Tetiana and McLeod, Alex S. and Liu, Mengkun and Frenzel, Alex and Wagner, M. and Iraheta, Ruben and Keilmann, Fritz and Leitenstorfer, Alfred}
}
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