Passively mode-locked monolithic diode lasers with a tapered gain section generating picosecond pulses with 45 W peak power at 780 nm

S. Wohlfeil; H. Christopher; J. Fricke; P. Della Casa; A. Maaßdorf; H. Wenzel; A. Knigge

doi:10.1117/12.3002428

13 March 2024 Passively mode-locked monolithic diode lasers with a tapered gain section generating picosecond pulses with 45 W peak power at 780 nm

S. Wohlfeil, H. Christopher, J. Fricke, P. Della Casa, A. Maaßdorf, H. Wenzel, A. Knigge

Author Affiliations +

Proceedings Volume 12867, High-Power Diode Laser Technology XXII; 128670T (2024) https://doi.org/10.1117/12.3002428
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

We present a passively mode-locked monolithic diode laser operating at 780 nm. It features a tapered gain section serving as a power booster and generates ultrashort pulses (~8 ps) with a peak power of approximately 45 W and a repetition rate of 6.6 GHz. The estimated beam propagation ratio is less than 1.3. This diode laser is intended as a compact and cost-efficient alternative to Ti:sapphire lasers for use in two-photon-polymerization-based 3D-printing systems.

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S. Wohlfeil, H. Christopher, J. Fricke, P. Della Casa, A. Maaßdorf, H. Wenzel, and A. Knigge "Passively mode-locked monolithic diode lasers with a tapered gain section generating picosecond pulses with 45 W peak power at 780 nm", Proc. SPIE 12867, High-Power Diode Laser Technology XXII, 128670T (13 March 2024); https://doi.org/10.1117/12.3002428

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