Luminescent properties of UVC up-conversion glassy phosphor: Li2SrSiO4 manufactured by containerless solidification

Up-conversion (UC) fluorescence process can convert low-energy radiation into high-energy radiation, which is an effective way to obtain ultraviolet C (UVC) laser. Compared with crystals, glass can be produced in a large volume and drawn into optical fibers, which has irreplaceable merits as a laser medium. Here, we successfully synthesized an efficient UVC UC glassy phosphor where UVC light can be detected by UV detector as well as solar blind camera equipped a 240-280 nm band-pass filter when excited by a 450 nm laser. We believe that UVC UC glassy phosphor can be used as an ideal gain medium for UVC fiber lasers. (c) 2021 Elsevier B.V. All rights reserved.

Automated summary

The up-conversion fluorescence process can convert low-energy radiation into high-energy radiation, allowing for the production of effective UVC lasers. Glass, as a laser medium, offers advantages over crystals due to its ability to be produced in large volume and drawn into optical fibers. The synthesized efficient UVC UC glassy phosphor can be used as an ideal gain medium for UVC fiber lasers, with UVC light detectable by UV detectors and solar blind cameras when excited by a 450 nm laser.