Abstract
Multi-pass cells (MPCs) have emerged as very attractive tools for spectral broadening and post-compression applications. We discuss pulse energy limitations of standard MPCs considering basic geometrical scaling principles and introduce a novel energy scaling method using a MPC arranged in a bow tie geometry. Employing nonlinear pulse propagation simulations, we numerically demonstrate the compression of 125 mJ, 1 ps pulses to 50 fs using a compact 2 m long setup and outline routes to extend our approach into the Joule-regime.
Highlights
January 2022Christoph M Heyl1,2,3,∗ , Marcus Seidel, Esmerando Escoto, Arthur Schönberg, Stefanos Carlström4,5 , Gunnar Arisholm , Tino Lang and Ingmar Hartl
Ultrashort laser pulses play a crucial role in many fields ranging from time- and frequency domain spectroscopy and strong-field physics to surgery and welding [1]
While these constraints will need to be considered for a experimental setup design, they are not setting a fundamental limit for the proposed scaling approach using BT-multi-pass cells (MPC)
Summary
Christoph M Heyl1,2,3,∗ , Marcus Seidel, Esmerando Escoto, Arthur Schönberg, Stefanos Carlström4,5 , Gunnar Arisholm , Tino Lang and Ingmar Hartl. Multi-pass cells (MPCs) have emerged as very attractive tools for spectral broadening and post-compression applications. We discuss pulse energy limitations of standard MPCs considering basic geometrical scaling principles and introduce a novel energy scaling method using a MPC arranged in a bow tie geometry. Employing nonlinear pulse propagation simulations, we numerically demonstrate the compression of 125 mJ, 1 ps pulses to 50 fs using a compact 2 m long setup and outline routes to extend our approach into the Joule-regime
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