Characterizing ultrashort laser pulses with second harmonic dispersion scans

Abstract

The dispersion scan (d-scan) technique has emerged as a simple-to-implement characterization method for ultrashort laser pulses. D-scan traces are intuitive to interpret and retrieval algorithms that are both fast and robust have been developed to obtain the spectral phase and the temporal pulse profile. Here, we give a review of the d-scan technique based on second harmonic generation. We describe and compare recent implementations for the characterization of few- and multi-cycle pulses as well as two different approaches for recording d-scan traces in single-shot, thus showing the versatility of the technique.

16 pages, 7 figures

References in corpus (5)

• Water window soft x-ray source enabled by 25-W few-cycle mid-IR OPCPA at 100 kHz
• Compact 200 kHz HHG source driven by a few-cycle OPCPA
• Single-shot d-scan technique for ultrashort laser pulse characterization using transverse second-harmonic generation in random nonlinear crystals
• Discrete dispersion scan setup for measuring few-cycle laser pulses in the mid-infrared
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