Department of Physics2024-11-0920209781-5575-2820-9N/A2-s2.0-85102589750https://hdl.handle.net/20.500.14288/11357We report a 2.3-μm Tm3+:KY3F10 laser, which can be excited via upconversion pumping with a 1064-nm ytterbium fiber laser, leading to tunable operation from 2268 to 2373 nm with absorbed power slope efficiency of 32%.LasersHigh power lasersThuliumConference proceedinghttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85102589750&partnerID=40&md5=30eaa591ed43e0a35a262cd82e54861910413