Amplitude and phase measurement of mid-infrared femtosecond pulses by using cross-correlation frequency-resolved optical gating

D T Reid, P Loza-Alvarez, C T A Brown, T Beddard, W Sibbett

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

We describe a cross-correlation-based frequency-resolved optical gating (XFROG) technique for simultaneously measuring the amplitude and phase of two ultrashort pulses that have different wavelengths but are derived from a common mode-locked oscillator. A measurement is presented in which 4.0-mu m mid-IR pulses from a synchronously pumped femtosecond optical parametric oscillator (OPO) are characterized by mixing with the 770-nm OPO pump pulses. Details of the pulse-retrieval algorithm are included, together with examples of pulse data retrieved from the experimentally measured XFROG trace. (C) 2000 Optical Society of America.

Original languageEnglish
Pages (from-to)1478-1480
Number of pages3
JournalOptics Letters
Volume25
Publication statusPublished - 1 Oct 2000

Keywords

  • ULTRASHORT LASER-PULSES
  • SINGLE SPECTROGRAM

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