V. Soshenko, I. Cojocaru, S. Bolshedvorskii, O. Rubinas, A. Smolyaninov, V. Vorobyov, V. Sorokin, A. Akimov
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Abstract
A longitudinal relaxation time of a nitrogen-14 atom nuclear spin for a nitrogen-vacancy (NV) colour centre in diamond is measured by the modified double optical resonance method. The diamond sample was grown by the method of high temperature and pressure and comprised 1 ppm of NVcentres. The longitudinal relaxation time was 43(6) s, which was compared to the time calculated in the model of relaxation due to the electron spin of colour centre interaction with phonons and spin reservoir. The time measured well agrees with predictions of the model.
期刊介绍：
Quantum Electronics covers the following principal headings
Letters
Lasers
Active Media
Interaction of Laser Radiation with Matter
Laser Plasma
Nonlinear Optical Phenomena
Nanotechnologies
Quantum Electronic Devices
Optical Processing of Information
Fiber and Integrated Optics
Laser Applications in Technology and Metrology, Biology and Medicine.
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