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Numerical study of spectral shaping in high energy Ho:YLF amplifiers

MPS-Authors
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Krötz,  Peter
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany ;

/persons/resource/persons136024

Miller,  R. J. Dwayne
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany ;
Centre for Ultrafast Imaging (CUI), Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany;
Departments of Chemistry and Physics, University of Toronto, Toronto M5S 1A7, Canada ;

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oe-24-9-9905.pdf
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Citation

Krötz, P., Ruehl, A., Murari, K., Cankaya, H., Kärtner, F. X., Hartl, I., et al. (2016). Numerical study of spectral shaping in high energy Ho:YLF amplifiers. Optics Express, 24(9), 9905-9921. doi:10.1364/OE.24.009905.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-E4DD-D
Abstract
We present a new chromatic numerical approach to simulate the amplification of laser pulses in multipass laser amplifiers. This enables studies on spectral effects such as gain narrowing and spectral shaping with optical elements expressed by a transmission transfer function. We observe good agreement between our simulations and measurements with a Ho:YLF regenerative amplifier (RA). To demonstrate the capabilities of our simulation model, we numerically integrate an intra-cavity etalon in this laser and find optimum etalon parameters that enhance the peak power of the output pulses up to 65%.