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Journal Article

High-energy kHz Yb:KYW dual-crystal regenerative amplifier


Calendron,  Anne-Laure
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron;
Department of Physics and The Hamburg Centre for Ultrafast Imaging, Universität Hamburg;

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Calendron, A.-L., Çankaya, H., & Kärtner, F. X. (2014). High-energy kHz Yb:KYW dual-crystal regenerative amplifier. Optics Express, 22(20), 24752-24762. doi:10.1364/OE.22.024752.

Cite as: http://hdl.handle.net/11858/00-001M-0000-002B-0CCB-6
A highly stable Yb:KYW based dual crystal regenerative amplifier is demonstrated, which generates at 1 kHz 6.5-mJ pulses before and up to 4.7-mJ sub-ps pulses after compression with multilayer-dielectric gratings, respectively. The stretcher is compact and based on chirped-fiber Bragg gratings. In continuous-wave operation, 20 W are extracted with a slope efficiency of 40%. The experimental data are in agreement with detailed simulations of the laser dynamics.