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Conferences > CLEOPR > 2020 > C5D > C5D_3

High sensitivity measurement of thermal distortion in low-loss optical materials

Craig Ingram, Sebastian W. S. Ng, Huy Tuong Cao, Adam Gambell, Nikita Simakov, Daniel D. Brown, David J. Ottaway, Alexander Hemming, and Peter J. Veitch

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Abstract

We describe a method for the measurement of surface and bulk absorption in low-loss optical materials. The measurement of bulk absorption at 2um in low-OH fused silica with ca. 1ppm/cm sensitivity is presented.

© 2020 The Author(s)

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