Visible color-center laser in diamond | Zendy

Stephen C. Rand | Zendy; L. G. DeShazer | Zendy

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Visible color-center laser in diamond

Author(s) -

Stephen C. Rand,

L. G. DeShazer

Publication year - 1985

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.10.000481

Subject(s) - excited state , optics , diamond , metastability , materials science , laser , luminescence , quantum efficiency , resonance (particle physics) , optoelectronics , absorption (acoustics) , atomic physics , physics , quantum mechanics , composite material

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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