Measurement of ultrashort laser pulses with a time-dependent polarization state using the d-scan technique

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Sammanfattning

The dispersion scan (d-scan) technique is extended to measurement of the time-dependent polarization state of ultrashort laser pulses. In the simplest implementation for linearly polarized ultrashort pulses, the d-scan technique records the second harmonic generation spectrum as a function of a known spectral phase manipulation. By applying this method to two orthogonally polarized projections of an arbitrary polarized electric field and by measuring the spectrum at an intermediate angle, we can reconstruct the evolution over time of the polarization state. We demonstrate the method by measuring a polarization gate generated from 6 fs pulses with a combination of waveplates. The measurements are compared to simulations, showing an excellent agreement.
Originalspråkengelska
Artikelnummer 015003
TidskriftJPhys Photonics
Volym6
Nummer1
DOI
StatusPublished - 2024 jan. 18

Ämnesklassifikation (UKÄ)

  • Atom- och molekylfysik och optik

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