A new method of probing mechanical losses of coatings at cryogenic temperatures

Serge Galliou; Samuel Deléglise; Maxim Goryachev; Leonhard Neuhaus; Gianpietro Cagnoli; Salim Zerkani; Vincent Dolique; Jérémy Bon; Xavier Vacheret; Philippe Abbé; Laurent Pinard; Christophe Michel; Thibaut Karassouloff; Tristan Briant; Pierre François Cohadon; Antoine Heidmann; Michael E. Tobar; Roger Bourquin

doi:10.1063/1.4972106

A new method of probing mechanical losses of coatings at cryogenic temperatures

Serge Galliou, Samuel Deléglise, Maxim Goryachev, Leonhard Neuhaus, Gianpietro Cagnoli, Salim Zerkani, Vincent Dolique, Jérémy Bon, Xavier Vacheret, Philippe Abbé, Laurent Pinard, Christophe Michel, Thibaut Karassouloff, Tristan Briant, Pierre François Cohadon, Antoine Heidmann, Michael E. Tobar, Roger Bourquin

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Abstract

A new method of probing mechanical losses and comparing the corresponding deposition processes of metallic and dielectric coatings in 1-100 MHz frequency range and cryogenic temperatures is presented. The method is based on the use of high-quality quartz acoustic cavities whose internal losses are orders of magnitude lower than any available coating nowadays. The approach is demonstrated for chromium, chromium/gold, and multilayer tantala/silica coatings. The Ta₂O₅/SiO₂ coating has been found to exhibit a loss angle lower than 1.6 × 10^-5 near 30 MHz at 4 K. The results are compared to the previous measurements.

Original language	English
Article number	123906
Journal	Review of Scientific Instruments
Volume	87
Issue number	12
DOIs	https://doi.org/10.1063/1.4972106
Publication status	Published - 1 Dec 2016

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Precision tests of fundamental physics at the electroweak unification scale
Tobar, M., Peters, A., Goryachev, M., Galliou, S. & Mueller, H.
Australian Research Council
1/01/16 → 31/12/18
Project: Research
ARC Centre of Excellence for Engineered Quantum Systems EQuS
Milburn, G., White, A., Doherty, A., Tobar, M., Twamley, J., Bartlett, S., Biercuk, M., Bowen, W., Brennan, G., Duty, T., Gilchrist, A., Molina-Terriza, G., Rabeau, J., Reilly, D., Rubinsztein-Dunlop, H., Stace, T. & Vidal, G.
Australian Research Council
1/01/11 → 31/12/17
Project: Research

Cite this

Galliou, S., Deléglise, S., Goryachev, M., Neuhaus, L., Cagnoli, G., Zerkani, S., Dolique, V., Bon, J., Vacheret, X., Abbé, P., Pinard, L., Michel, C., Karassouloff, T., Briant, T., Cohadon, P. F., Heidmann, A., Tobar, M. E., & Bourquin, R. (2016). A new method of probing mechanical losses of coatings at cryogenic temperatures. Review of Scientific Instruments, 87(12), [123906]. https://doi.org/10.1063/1.4972106

Galliou, Serge ; Deléglise, Samuel ; Goryachev, Maxim ; Neuhaus, Leonhard ; Cagnoli, Gianpietro ; Zerkani, Salim ; Dolique, Vincent ; Bon, Jérémy ; Vacheret, Xavier ; Abbé, Philippe ; Pinard, Laurent ; Michel, Christophe ; Karassouloff, Thibaut ; Briant, Tristan ; Cohadon, Pierre François ; Heidmann, Antoine ; Tobar, Michael E. ; Bourquin, Roger. / A new method of probing mechanical losses of coatings at cryogenic temperatures. In: Review of Scientific Instruments. 2016 ; Vol. 87, No. 12.

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abstract = "A new method of probing mechanical losses and comparing the corresponding deposition processes of metallic and dielectric coatings in 1-100 MHz frequency range and cryogenic temperatures is presented. The method is based on the use of high-quality quartz acoustic cavities whose internal losses are orders of magnitude lower than any available coating nowadays. The approach is demonstrated for chromium, chromium/gold, and multilayer tantala/silica coatings. The Ta2O5/SiO2 coating has been found to exhibit a loss angle lower than 1.6 × 10-5 near 30 MHz at 4 K. The results are compared to the previous measurements.",

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Galliou, S, Deléglise, S, Goryachev, M, Neuhaus, L, Cagnoli, G, Zerkani, S, Dolique, V, Bon, J, Vacheret, X, Abbé, P, Pinard, L, Michel, C, Karassouloff, T, Briant, T, Cohadon, PF, Heidmann, A, Tobar, ME & Bourquin, R 2016, 'A new method of probing mechanical losses of coatings at cryogenic temperatures', Review of Scientific Instruments, vol. 87, no. 12, 123906. https://doi.org/10.1063/1.4972106

A new method of probing mechanical losses of coatings at cryogenic temperatures. / Galliou, Serge; Deléglise, Samuel; Goryachev, Maxim; Neuhaus, Leonhard; Cagnoli, Gianpietro; Zerkani, Salim; Dolique, Vincent; Bon, Jérémy; Vacheret, Xavier; Abbé, Philippe; Pinard, Laurent; Michel, Christophe; Karassouloff, Thibaut; Briant, Tristan; Cohadon, Pierre François; Heidmann, Antoine; Tobar, Michael E.; Bourquin, Roger.

In: Review of Scientific Instruments, Vol. 87, No. 12, 123906, 01.12.2016.

Research output: Contribution to journal › Article

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AU - Pinard, Laurent

AU - Michel, Christophe

AU - Karassouloff, Thibaut

AU - Briant, Tristan

AU - Cohadon, Pierre François

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AU - Tobar, Michael E.

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A new method of probing mechanical losses of coatings at cryogenic temperatures

Abstract

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Precision tests of fundamental physics at the electroweak unification scale

ARC Centre of Excellence for Engineered Quantum Systems EQuS

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