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. 1985 Oct 1;10(10):481-3.
doi: 10.1364/ol.10.000481.

Visible color-center laser in diamond

S C Rand, L G Deshazer

Visible color-center laser in diamond

S C Rand et al. Opt Lett. .

Abstract

Laser action at 530 nm using H3 centers in diamond was observed with an efficiency of 13.5% at room temperature. Optical double-resonance experiments on N3 centers provided direct evidence for a (2)A metastable level. Its presence results in rapid decay of the excited (2)E state and low quantum efficiency as well as significant excited-state absorption in the N3 luminescence region.

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