Energy transfer enhanced laser cooling in Ho^3+ and Tm^3+-codoped lithium yttrium fluoride
2013 ◽
Vol 30
(4)
◽
pp. 939
◽
2002 ◽
Vol 344
(1-2)
◽
pp. 246-250
◽
1977 ◽
Vol 38
(1)
◽
pp. 38-44
◽
1969 ◽
Vol 30
(6)
◽
pp. 1483-1491
◽