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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 17, Iss. 2 — Feb. 1, 2000
  • pp: 327–331

Conductivity artifacts in optical-pump THz-probe measurements of YBa2Cu3O7

Richard D. Averitt, George Rodriguez, Jennifer L. W. Siders, Stuart A. Trugman, and Antoinette J. Taylor  »View Author Affiliations


JOSA B, Vol. 17, Issue 2, pp. 327-331 (2000)
http://dx.doi.org/10.1364/JOSAB.17.000327


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Abstract

Transient changes in the complex conductivity of the high-temperature superconductor YBa2Cu3O7 have been measured with optical-pump THz-probe spectroscopy. Artifacts in the conductivity arise when optical excitation induces changes in the material response that occur on a time scale comparable with or faster than the THz pulse width. A model is presented that agrees with experiments and provides insight in distinguishing between artifacts and real features in transient conductivity measurements.

© 2000 Optical Society of America

OCIS Codes
(260.3090) Physical optics : Infrared, far
(300.6270) Spectroscopy : Spectroscopy, far infrared
(320.0320) Ultrafast optics : Ultrafast optics
(320.5390) Ultrafast optics : Picosecond phenomena

Citation
Richard D. Averitt, George Rodriguez, Jennifer L. W. Siders, Stuart A. Trugman, and Antoinette J. Taylor, "Conductivity artifacts in optical-pump THz-probe measurements of YBa2Cu3O7," J. Opt. Soc. Am. B 17, 327-331 (2000)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-17-2-327

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