A. V. Fedorov, D. V. Martyshkin, V. V. Fedorov, “Analysis of the absorption spectra and spectral hole burning in zero-phonon lines of F+3 and N1 colour centres in LiF crystals”, Kvantovaya Elektronika, 2010, Volume 40, Number 7,Pages 647

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Laser applications and other topics in quantum electronics

Analysis of the absorption spectra and spectral hole burning in zero-phonon lines of F⁺₃ and N₁ colour centres in LiF crystals

A. V. Fedorov^a, D. V. Martyshkin^b, V. V. Fedorov^b

^a Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow region
^b University of Alabama at Birmingham, USA

Abstract: The temperature dependences and mechanisms of broadening of zero-phonon lines of F⁺₃ (488 nm) and N₁ (523 nm) colour centres in LiF crystals are investigated. The results obtained make it possible to determine the quadratic electronic—vibrational coupling constant for N₁ colour centres. The experimental data on the spectral hole burning in zero-phonon lines of F⁺₃ and N₁ colour centres indicate that the latter are positively charged.

PACS: 42.62.Fi, 42.70.Mp, 42.70.Gi

Received: 26.04.2010