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Passively mode-locked 10 GHz femtosecond Ti:sapphire laser.
Bartels, A; Heinecke, D; Diddams, S A.
Afiliação
  • Bartels A; Gigaoptics GmbH, Konstanz, Germany. bartels@gigaoptics.com
Opt Lett ; 33(16): 1905-7, 2008 Aug 15.
Article em En | MEDLINE | ID: mdl-18709128
We report a mode-locked Ti:sapphire femtosecond laser emitting 42 fs pulses at a 10 GHz repetition rate. When operated with a spectrally integrated average power greater than 1 W, the associated femtosecond laser frequency comb contains approximately 500 modes, each with power exceeding 1 mW. Spectral broadening in nonlinear microstructured fiber yields comb elements with individual powers greater than 1 nW over approximately 250 nm of spectral bandwidth. The modes of the emitted comb are resolved and imaged with a simple grating spectrometer and digital camera. Combined with absorption spectroscopy of rubidium vapor, this approach permits identification of the mode index and measurement of the carrier envelope offset frequency of the comb.
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2008 Tipo de documento: Article
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2008 Tipo de documento: Article