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Type: Artigo de periódico
Title: Kilohertz-resolution spectroscopy of cold atoms with an optical frequency comb
Author: Fortier, TM
Le Coq, Y
Stalnaker, JE
Ortega, D
Diddams, SA
Oates, CW
Hollberg, L
Abstract: We have performed sub-Doppler spectroscopy on the narrow intercombination line of cold calcium atoms using the amplified output of a femtosecond laser frequency comb. Injection locking of a 657-nm diode laser with a femtosecond comb allows for two regimes of amplification, one in which many lines of the comb are amplified, and one where a single line is predominantly amplified. The output of the laser in both regimes was used to perform kilohertz-level spectroscopy. This experiment demonstrates the potential for high-resolution absolute-frequency spectroscopy over the entire spectrum of the frequency comb output using a single high-finesse optical reference cavity.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.97.163905
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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