Automated control and stabilization of ultrabroadband laser pulse angular dispersion

Samuel Buck, Derryck Reid, Marco Galimberti*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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We present an innovative automatic control of angular dispersion for high-power laser systems. A novel, to the best of our knowledge, diagnostic has been developed to visualize angular dispersion in ultrashort near-infrared laser pulses for on-shot analysis. The output of a commercial ultrabroadband oscillator was prepared with an arbitrary chromatic dispersion and sent through a compensation system composed of 4 glass wedges in motorized mounts. These wedges were rotationally controlled in discrete steps about the beam axis in accordance with the diagnostic, via an automated feedback loop, to successfully eliminate angular dispersion to a precision of 5 nrad/nm. The system can be implemented to maintain a zero or nonzero target dispersion for experiments.

Original languageEnglish
Pages (from-to)1613-1617
Number of pages5
JournalApplied Optics
Issue number6
Early online date14 Feb 2024
Publication statusPublished - 20 Feb 2024

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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