We are excited to announce our most recent publication in Optics Letters: Cavity Enhanced Deep UV Laser for Two Photon Cooling of Atomic Hydrogen. This paper details our work to build up the 243 nm power from our laser system, enhancing it from 650 mW to 30 W. This amount of power should give a two photon scattering rate sufficient to demonstrate laser cooling of hydrogen. You can check out the work here:
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-43-6-1375