Yellow whispering-gallery-mode lasing at 573 nm is demonstrated from Dy3+-doped amorphous fluoride microspheres with a 190 μW threshold using one-photon blue pumping and Q = 3.5 × 10^6.
Spectroscopy and laser operation of Sm3+-doped lithium lutetium tetrafluoride (LiLuF4) and strontium hexaaluminate (SrAl12O19),
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Yellow whispering-gallery-mode lasing from amorphous fluoride microspheres
Yellow whispering-gallery-mode lasing at 573 nm is demonstrated from Dy3+-doped amorphous fluoride microspheres with a 190 μW threshold using one-photon blue pumping and Q = 3.5 × 10^6.