Spectrally resolved laser calorimetric absorptance measurements

L. Jensen; I. Balasa; K. Starke; D. Ristau

doi:10.1117/12.752907

20 December 2007 Spectrally resolved laser calorimetric absorptance measurements

L. Jensen, I. Balasa, K. Starke, D. Ristau

Proceedings Volume 6720, Laser-Induced Damage in Optical Materials: 2007; 67201C (2007) https://doi.org/10.1117/12.752907
Event: Boulder Damage Symposium XXXIX: Annual Symposium on Optical Materials for High Power Lasers, 2007, Boulder, Colorado, United States

Abstract

So far, laser calorimetry (LCA) as absorptance measurement procedure according to ISO 11551 has been commonly performed at a variety of selected laser wavelengths. Thus, this procedure has been a valuable tool for optimization processes of dielectric coatings. For an even more comprehensive detection of any absorbing contribution in a dielectric layer stack a free selectable test wavelength gives more detailed insights in optics characterization. According to this approach an OPO system was implemented in a laser calorimetric test bench. By this, a tunable laser source with sufficient laser power is available to conduct calorimetric absorptance measurements. Results of detailed investigations of the contribution of the material constituents of a dielectric optical component are presented in this paper.

Citation Download Citation

L. Jensen, I. Balasa, K. Starke, and D. Ristau "Spectrally resolved laser calorimetric absorptance measurements", Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 67201C (20 December 2007); https://doi.org/10.1117/12.752907

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