Progress Towards a > 100,000 Finesse Optical Cavity at 4.5 µm

Author(s)

Gar-Wing Truong, Lukas W. Perner, Georg Winkler, Gang Zhao, Dominic Bachmann, Aline S. Mayer, Jakob Fellinger, David Follman, Paula Heu, Christoph Deutsch, D. Michelle Bailey, Stephan Puchegger, Adam J. Fleisher, Oliver H. Heckl, Garrett D. Cole

Abstract

Methods for producing and characterizing ultra-low loss substrate-transferred single-crystal interference coatings have been extended to the mid-infrared. A pair of such mirrors shows combined scatter and absorption losses below 10 ppm at 4.5 µm.

Organisation(s)

Faculty Center for Nano Structure Research

External organisation(s)

Thorlabs Inc., National Institute of Standards and Technology, Gaithersburg, Crystalline Mirror Solutions GmbH

Publication date

2022

Peer reviewed

Yes

Austrian Fields of Science 2012

205002 Coating technology, 104026 Spectroscopy, 103018 Materials physics, 103021 Optics

Keywords

ASJC Scopus subject areas

Surfaces, Coatings and Films, Spectroscopy, Atomic and Molecular Physics, and Optics

Portal url

https://ucris.univie.ac.at/portal/en/publications/progress-towards-a--100000-finesse-optical-cavity-at-45-m(f08dce1a-631c-43d3-bb2f-16129591d89c).html