Continuous-wave spontaneous lasing in mercury pumped by resonant two-photon absorption
Daniel Kolbe, Martin Scheid, Andreas Koglbauer, and Jochen Walz

TL;DR
This paper demonstrates the first continuous-wave two-photon absorption laser-induced stimulated emission in mercury, using a specific transition at 1014nm, with isotope-selective lasing observed.
Contribution
It introduces the first continuous-wave CTALISE in mercury, showcasing a new laser mechanism using two-photon absorption at a specific atomic transition.
Findings
Successful demonstration of continuous-wave CTALISE in mercury.
Observation of isotope-selective lasing at 1014nm.
First report of CW two-photon absorption laser in this context.
Abstract
The first continuous-wave two-photon absorption laser-induced stimulated emission (CTALISE) is demonstrated. The 7^1S-6^1P transition in mercury at 1014nm wavelength is used and selective lasing of different isotopes is observed.
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