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Substrates for Multikilowatt Average-Power Compressor Gratings: Demonstration of the Actively Cooled “Flow-Cell” Concept

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Abstract

Sub-aperture testing of our “flow-cell” integrated-cooling substrate demonstrated handling of absorbed power densities up to 3.88 W/cm2 and 54-nm peak-to-valley deformation with a stabilization time scale <30 s, well-matched by COMSOL models.

© 2022 The Author(s)

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