Artifact free time resolved near-field spectroscopy

A. J. Sternbach; J. Hinton; T. Slusar; A. S. McLeod; M. K. Liu; A. Frenzel; M. Wagner; R. Iraheta; F. Keilmann; A. Leitenstorfer; M. Fogler; H. T. Kim; R. D. Averitt; D. N. Basov

doi:10.1364/OE.25.028589

Artifact free time resolved near-field spectroscopy

A. J. Sternbach, J. Hinton, T. Slusar, A. S. McLeod, M. K. Liu, A. Frenzel, M. Wagner, R. Iraheta, F. Keilmann, A. Leitenstorfer, M. Fogler, H. T. Kim, R. D. Averitt, D. N. Basov

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Abstract

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.

Original language	English (US)
Pages (from-to)	28589-28611
Number of pages	23
Journal	Optics Express
Volume	25
Issue number	23
DOIs	https://doi.org/10.1364/OE.25.028589
State	Published - Nov 13 2017
Externally published	Yes

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© 2017 Optical Society of America.

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abstract = "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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AU - Sternbach, A. J.

AU - Hinton, J.

AU - Slusar, T.

AU - McLeod, A. S.

AU - Liu, M. K.

AU - Frenzel, A.

AU - Wagner, M.

AU - Iraheta, R.

AU - Keilmann, F.

AU - Leitenstorfer, A.

AU - Fogler, M.

AU - Kim, H. T.

AU - Averitt, R. D.

AU - Basov, D. N.

PY - 2017/11/13

Y1 - 2017/11/13

N2 - 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.

AB - 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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DO - 10.1364/OE.25.028589

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JF - Optics Express

IS - 23

ER -

Artifact free time resolved near-field spectroscopy

Abstract

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