Survey of metal oxides for coatings of ultra-stable optical cavities

Carmen S. Menoni; Carmen S. Menoni; Le Yang; Mariana Fazio; Gabriele Vajente; Alena Ananyeva; GariLynn Billingsley; François Schiettekatte; Martin Chicoine; Ashot Markosyan; Riccardo Bassiri; Martin M. Fejer

doi:10.1364/CLEO_SI.2021.STu1C.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper STu1C.7
•https://doi.org/10.1364/CLEO_SI.2021.STu1C.7

Survey of metal oxides for coatings of ultra-stable optical cavities

Carmen S. Menoni, Le Yang, Mariana Fazio, Gabriele Vajente, Alena Ananyeva, GariLynn Billingsley, François Schiettekatte, Martin Chicoine, Ashot Markosyan, Riccardo Bassiri, and Martin M. Fejer

CLEO: Science and Innovations 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Emerging Photonic Materials and Applications (STu1C)

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C. S. Menoni, L. Yang, M. Fazio, G. Vajente, A. Ananyeva, G. Billingsley, F. Schiettekatte, M. Chicoine, A. Markosyan, R. Bassiri, and M. M. Fejer, "Survey of metal oxides for coatings of ultra-stable optical cavities," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper STu1C.7.

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Abstract

A survey of the optical properties and mechanical loss of metal-oxide thin films is reported in a search for optimum materials for mirror coatings for gravitational wave detectors. Ta2O5 and GeO2 doped with TiO2 achieve the lowest absorption and mechanical loss with post-processing annealing.

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