Optical response of high-Tc YBaCuO and BaKBiO thin films by terahertz spectroscopy

Yongqian Liu; Feng Gao; John F. Whitaker; Ctirad Uher; Christine E. Platt

doi:10.1117/12.176137

20 May 1994 Optical response of high-T_c YBaCuO and BaKBiO thin films by terahertz spectroscopy

Yongqian Liu, Feng Gao, John F. Whitaker, Ctirad Uher, Christine E. Platt

Proceedings Volume 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric; (1994) https://doi.org/10.1117/12.176137
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

We investigate the superfluid and quasiparticle response for high temperature superconductor films of YBa₂Cu₃O₇ and Ba_0.6K_0.4BiO₃ under optical radiation. This is done through direct measurement of the complex conductivity of the illuminated superconductors using a coherent terahertz-bandwidth spectroscopy technique. The nature of the detected signals is discussed in the context of bolometric and nonbolometric response.

Citation Download Citation

Yongqian Liu, Feng Gao, John F. Whitaker, Ctirad Uher, and Christine E. Platt "Optical response of high-T_c YBaCuO and BaKBiO thin films by terahertz spectroscopy", Proc. SPIE 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric, (20 May 1994); https://doi.org/10.1117/12.176137

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