Mid-IR lasing of Fe2+ ions via Cr2+ → Fe2+ energy transfer process with YLF:Er or laser diode pumping at 17 µm
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2010 ◽
Vol 49
(3)
◽
pp. 032602
◽
2015 ◽
Vol 17
(48)
◽
pp. 32297-32303
◽
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