Optical properties of germania and titania at 1064nm and at 1550nm

This dat accompanies the publication with the same title in the Classical and Quantum Gravity Focus Issue on low-noise thin-film coatings.

The files named Comp_... contain the RBS results shown in Fig.1/Table 1.

The transmission spectra files show the spectra as measured for all samples and heat treatment temperatures. The summary files show an overview of the fit results for refractive index and thickness at 1550nm resulting from fits using different optical models and the software SCOUT.

There are two tables of absorption results: one shows a summary of the individual absorption results in ppm measured on various points on each sample; the second file shows a summary of the average absorption per sample and heat treatment step, the refractive index and thickness used, and the resulting extinction coefficient k. The extincion coefficient was calculated using the software tfcalc.

The Raman files include the raw data for Raman measurements presented in the article.