Promethium-doped phosphate glass laser at 933 and 1098 nm

Krupke, W. F.; Shinn, M. D.; Kirchoff, T. A.; Finch, C. B.; Boatner, L. A.
December 1987
Applied Physics Letters;12/28/1987, Vol. 51 Issue 26, p2186
Academic Journal
A promethium (Pm3+) laser has been demonstrated for the first time. Trivalent promethium 147 doped into a lead-indium-phosphate glass étalon was used to produce room-temperature four-level laser emission at wavelengths of 933 and 1098 nm. Spectroscopic and kinetic measurements have shown that Pm3+ is similar to Nd3+ as a laser active ion.


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