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Pulsed laser action in LiYF4:Er3+, Ho3+at 77°K

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5 Author(s)
Remski, R. ; AF Avionics Lab., Wright-Patterson AFB, Ohio, USA ; James, L. ; Gooen, K. ; Bartolo, B.Di
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Pulsed laser action at 77°K has been demonstrated in LiYF4:Er3+, Ho3+with an emission wavelength of 2.066 μ. The laser transition is the5 I_{7} \rightarrow 5I8in trivalent holmium, and there is evidence of energy transfer from erbium to holmium. The fluorescent lifetime is approximately 20 ms, and the pulsed threshold is 40 joules.

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Quantum Electronics, IEEE Journal of  (Volume:5 ,  Issue: 4 )