Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1988-01-12
1989-11-14
Doll, John
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
156DIG8, 156DIG68, 2523014F, 372 41, 372 42, B01J 308
Patent
active
048806137
ABSTRACT:
A light emitting element comprising diamond which contains N-V color centers in a maximum optical density of of 0.01 to 3.5 in a direction of excitation light, Ib type nitrogen atoms in a maximum optical density not larger than 0.2 in a wavelength range of 530 to 610 nm and optionally H3 color centers, which element can be efficiently produced from artificial diamond by a combination of irradiation by an electron beam or a neutron beam and annealing.
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Rand, "Synthetic Diamond For Color Center Lasers", Topical Meeting on Tunable Solid State Laser, 2nd; 1986, cont. Zigtog, Osegen, pp. 138 to 140.
Collins et al., Luminescence Decay Time of the 1.945 V Centre In Type IO Diamond, J. Phys. C: Solid State Phys., 16(1983) 2177-2181.
Clark et al. Photoluminescence Associated with the 16731-944 and 2498 eV Centres In Diamond, J. Physc. C: Solid State Phys. 1971, vol. 14, pp. 2223-2229.
Satoh Shyuichi
Tsuji Kazuwo
Doll John
Kunemund Robert M.
Sumitomo Electric Industries Ltd.
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