期刊
OPTICS EXPRESS
卷 26, 期 19, 页码 25003-25012出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.26.025003
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资金
- DFG [Transregio TR18]
- Euratom Research and Training Program 2014-2018 [633053]
- EUROfusion Consortium
- Munich Centre for Advanced Photonics (MAP)
- Swedish Research Council [2016-05409]
- Swedish Research Council [2016-05409] Funding Source: Swedish Research Council
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. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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