M. Seidel, Anne-lise Viotti, S. Alisauskas, A. Tajalli, O. Akcaalan, J. Darvill, N. Ekanayake, U. Grosse-Wortmann, C. Li, C. Mohr, F. Pressacco, N. Schirmel, A. Swiderski, H. Tavakol, H. Tünnermann, C. Vidoli, L. Winkelmann, C. Heyl, B. Manschwetus, H. Cankaya, I. Hartl
{"title":"Multi-pass cell-based nonlinear pulse compression of Yb:YAG pump-probe lasers at FLASH","authors":"M. Seidel, Anne-lise Viotti, S. Alisauskas, A. Tajalli, O. Akcaalan, J. Darvill, N. Ekanayake, U. Grosse-Wortmann, C. Li, C. Mohr, F. Pressacco, N. Schirmel, A. Swiderski, H. Tavakol, H. Tünnermann, C. Vidoli, L. Winkelmann, C. Heyl, B. Manschwetus, H. Cankaya, I. Hartl","doi":"10.1117/12.2665321","DOIUrl":null,"url":null,"abstract":"The majority of user experiments at the high repetition-rate free electron laser (FEL) facility FLASH are of pump-probe type, combining the extreme ultraviolet (XUV) or soft x-ray radiation from the FEL with ultrashort pulses generated by optical lasers. In this contribution, we demonstrate the advantages of using high-power Yb:YAG lasers with subsequent nonlinear pulse compression stages based on multi-pass cells (MPC). The approach enables the combination of hundreds of kHz to MHz repetition-rates, hundreds of watts of average powers and excellent intensity stabilities. We present the characteristics of the MPC-based pump-probe laser at the FLASH plane-grating beamlines. Furthermore, we report pulse compression to 8.2 fs pulse duration and the seeding of an optical parametric amplifier generating mid-IR radiation tunable from 1.4 µm to 16 µm.","PeriodicalId":376481,"journal":{"name":"Optics + Optoelectronics","volume":"718 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics + Optoelectronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2665321","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The majority of user experiments at the high repetition-rate free electron laser (FEL) facility FLASH are of pump-probe type, combining the extreme ultraviolet (XUV) or soft x-ray radiation from the FEL with ultrashort pulses generated by optical lasers. In this contribution, we demonstrate the advantages of using high-power Yb:YAG lasers with subsequent nonlinear pulse compression stages based on multi-pass cells (MPC). The approach enables the combination of hundreds of kHz to MHz repetition-rates, hundreds of watts of average powers and excellent intensity stabilities. We present the characteristics of the MPC-based pump-probe laser at the FLASH plane-grating beamlines. Furthermore, we report pulse compression to 8.2 fs pulse duration and the seeding of an optical parametric amplifier generating mid-IR radiation tunable from 1.4 µm to 16 µm.
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