Investigation of high harmonic generation through multiplexed broadband ptychography

David Schmidt; David Goldberger; Alba De Las Heras; Carlos Hernández-García; Yuhao Lei; Peter Kazansky; Daniel Adams; Charles Durfee

doi:10.1117/12.2648410

14 March 2023 Investigation of high harmonic generation through multiplexed broadband ptychography

David Schmidt, David Goldberger, Alba De Las Heras, Carlos Hernández-García, Yuhao Lei, Peter Kazansky, Daniel Adams, Charles Durfee

Author Affiliations +

Proceedings Volume 12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII; 1240503 (2023) https://doi.org/10.1117/12.2648410
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

Using multiplexed broadband ptychography (MBP), we characterize the EUV light in high-order harmonic generation (HHG). MBP can measure spectrally resolved complex beam profiles for different harmonic outputs without spectral dispersion. Through a simple change to the experimental setup, we also characterize the driving laser for the process. The experimentally measured driving laser profile is used in an SFA+ with dipole approximation simulation of high harmonic generation. The simulated results are compared to the experimentally measured high harmonics produced with the characterized driving laser. By characterizing the input and output in HHG we can further understand the generation mechanics to better control the process. We also can investigate how control of the fundamental laser can lead to control of the output harmonics.

Conference Presentation

Citation Download Citation

David Schmidt, David Goldberger, Alba De Las Heras, Carlos Hernández-García, Yuhao Lei, Peter Kazansky, Daniel Adams, and Charles Durfee "Investigation of high harmonic generation through multiplexed broadband ptychography", Proc. SPIE 12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, 1240503 (14 March 2023); https://doi.org/10.1117/12.2648410

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