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Cavity-enhanced deep ultraviolet laser for two-photon cooling of atomic hydrogen

Abstract

We demonstrate a 650 mW 243 nm continuous-wave laser coupled to a linear optical enhancement cavity. The enhancement cavity can maintain >30W of intracavity power for 1 h of continuous operation without degradation. This system has sufficient power for a demonstration of two-photon laser cooling of hydrogen and may be useful for experiments on other simple two-body atomic systems.

© 2018 Optical Society of America

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