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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10.1063/1.4972106

Galliou et al 2016 A new method of probing mechanical losses of coatings at cryogenic temperatures
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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, 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), Article 123906. https://doi.org/10.1063/1.4972106

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title = "A new method of probing mechanical losses of coatings at cryogenic temperatures",

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.",

author = "Serge Galliou and Samuel Del{\'e}glise and Maxim Goryachev and Leonhard Neuhaus and Gianpietro Cagnoli and Salim Zerkani and Vincent Dolique and J{\'e}r{\'e}my Bon and Xavier Vacheret and Philippe Abb{\'e} and Laurent Pinard and Christophe Michel and Thibaut Karassouloff and Tristan Briant and Cohadon, {Pierre Fran{\c c}ois} and Antoine Heidmann and Tobar, {Michael E.} and Roger Bourquin",

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doi = "10.1063/1.4972106",

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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

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T1 - A new method of probing mechanical losses of coatings at cryogenic temperatures

AU - Galliou, Serge

AU - Deléglise, Samuel

AU - Goryachev, Maxim

AU - Neuhaus, Leonhard

AU - Cagnoli, Gianpietro

AU - Zerkani, Salim

AU - Dolique, Vincent

AU - Bon, Jérémy

AU - Vacheret, Xavier

AU - Abbé, Philippe

AU - Pinard, Laurent

AU - Michel, Christophe

AU - Karassouloff, Thibaut

AU - Briant, Tristan

AU - Cohadon, Pierre François

AU - Heidmann, Antoine

AU - Tobar, Michael E.

AU - Bourquin, Roger

PY - 2016/12/1

Y1 - 2016/12/1

N2 - 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.

AB - 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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VL - 87

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

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

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

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