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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5268–5271

Cryogenic measurements of mechanical loss of high-reflectivity coating and estimation of thermal noise

Massimo Granata, Kieran Craig, Gianpietro Cagnoli, Cécile Carcy, William Cunningham, Jérôme Degallaix, Raffaele Flaminio, Danièle Forest, Martin Hart, Jan-Simon Hennig, James Hough, Ian MacLaren, Iain William Martin, Christophe Michel, Nazario Morgado, Salim Otmani, Laurent Pinard, and Sheila Rowan  »View Author Affiliations


Optics Letters, Vol. 38, Issue 24, pp. 5268-5271 (2013)
http://dx.doi.org/10.1364/OL.38.005268


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Abstract

We report on low-frequency measurements of the mechanical loss of a high-quality (transmissivity T<5ppm at λ0=1064nm, absorption loss <0.5ppm) multilayer dielectric coating of ion-beam-sputtered fused silica and titanium-doped tantala in the 10–300 K temperature range. A useful parameter for the computation of coating thermal noise on different substrates is derived as a function of temperature and frequency.

© 2013 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(230.1480) Optical devices : Bragg reflectors
(230.4040) Optical devices : Mirrors
(310.1620) Thin films : Interference coatings
(310.3840) Thin films : Materials and process characterization
(310.6870) Thin films : Thin films, other properties

ToC Category:
Thin Films

History
Original Manuscript: September 3, 2013
Revised Manuscript: October 21, 2013
Manuscript Accepted: October 29, 2013
Published: December 4, 2013

Citation
Massimo Granata, Kieran Craig, Gianpietro Cagnoli, Cécile Carcy, William Cunningham, Jérôme Degallaix, Raffaele Flaminio, Danièle Forest, Martin Hart, Jan-Simon Hennig, James Hough, Ian MacLaren, Iain William Martin, Christophe Michel, Nazario Morgado, Salim Otmani, Laurent Pinard, and Sheila Rowan, "Cryogenic measurements of mechanical loss of high-reflectivity coating and estimation of thermal noise," Opt. Lett. 38, 5268-5271 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-24-5268

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