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Dispersion control for temporal contrast optimization
Umeå University, Faculty of Science and Technology, Department of Physics. Max-Planck-Institut für Quantenoptik, Garching, Germany.
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2018 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 26, no 19, p. 25003-25012Article in journal (Refereed) Published
Abstract [en]

We investigate the temporal contrast of the Light Wave Synthesizer 20 (LWS-20): a powerful, few-cycle source based on the optical parametric synthesizer principle. Saturation effects in the RF amplifier driving the acousto-optic programmable dispersive filter (AOPDF) were found to degrade the coherent contrast for non-monotonic group delay corrections. We subsequently present a new dispersion scheme and design a novel transmission grism-based stretcher optimized for LWS-20. The resulting temporal contrast of the amplified, compressed output pulses is improved by 2-4 orders of magnitude compared to the former design.

Place, publisher, year, edition, pages
Optical Society of America, 2018. Vol. 26, no 19, p. 25003-25012
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-151849DOI: 10.1364/OE.26.025003ISI: 000444705000059OAI: oai:DiVA.org:umu-151849DiVA, id: diva2:1248106
Funder
Swedish Research Council, 2016-05409Available from: 2018-09-13 Created: 2018-09-13 Last updated: 2018-10-05Bibliographically approved

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Tan, JerylMuschet, AlexanderVeisz, Laszlo

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