THz time-domain spectroscopy of high Tc substrates
- 3 September 1990
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 57 (10), 1055-1057
- https://doi.org/10.1063/1.104280
Abstract
Using the method of time‐domain spectroscopy, we have measured the absorption and dispersion from 0.2 to 2 THz of the high Tc substrates, magnesium oxide, yttria‐stabilized zirconia (YSZ), and lanthanum aluminate. Our measurements on YSZ and LaAlO3 at both room temperature and 85 K show unacceptably large absorptions for high‐speed transmission line applications. At 85 K, MgO is shown to be an excellent material in terms of its low loss at THz frequencies.Keywords
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