A subpicosecond dye laser directly pumped by a mode-locked argon laser

A. I. Ferguson, J. N. Eckstein, T. W. Hänsch

Research output: Contribution to journalArticlepeer-review

Abstract

We report on a mode-locked cw dye laser which reliably produces light pulses as short as 850 fsec. Short-pulse operation depends critically on the stability and spectral purity of a frequency synthesizer which generates the radio-frequency signal for the acousto-optic mode locker of the argon pump laser. The regular axial mode spectrum of the dye laser extends over 500 GHz and can provide an accurate calibration scale for the spectroscopic measurement of large frequency intervals. The high stability of the locked modes has been demonstrated by observing Doppler-free multiple-pulse two-photon spectra of the sodium 3S-5S transition linewidths as narrow as 4MHz.

Original languageEnglish (US)
Pages (from-to)5389-5391
Number of pages3
JournalJournal of Applied Physics
Volume49
Issue number11
DOIs
StatePublished - 1978
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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