High-dynamic range pulse-contrast measurements for wide use in scientific applications and laser development

Matthias Baudisch; Mateusz Ibek; Edlef Büttner; Peter Staudt

doi:10.1117/12.2607732

1 April 2022 High-dynamic range pulse-contrast measurements for wide use in scientific applications and laser development

Matthias Baudisch, Mateusz Ibek, Edlef Büttner, Peter Staudt

Author Affiliations +

Proceedings Volume PC11991, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXII; PC119910S (2022) https://doi.org/10.1117/12.2607732
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

We propose Type-II SHG-autocorrelation as a simple and robust tool for high-dynamic range pulse-contrast measurements of sub-μJ energy, high-repetition rate pulses. We demonstrate dynamic ranges of the autocorrelation of over 10^7 with input energies of 55 nJ at 1 MHz repetition rate. The device allows temporal resolutions of 25 fs over a wide scanning range of 1100 ps, supporting input wavelengths from 700-1200 nm. The technique provides the perfect tool for wide use pulse-contrast measurement and optimization, possibly enabling a more effective use of pulse energy in peak power driven material processing applications.

Conference Presentation

Citation Download Citation

Matthias Baudisch, Mateusz Ibek, Edlef Büttner, and Peter Staudt "High-dynamic range pulse-contrast measurements for wide use in scientific applications and laser development", Proc. SPIE PC11991, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXII, PC119910S (1 April 2022); https://doi.org/10.1117/12.2607732

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