J. Ogino , L. Zhaoyang , S. Tokita , K. Tsubakimoto , N. Miyanaga , J. Kawanaka
{"title":"研制两级频域光参量放大","authors":"J. Ogino , L. Zhaoyang , S. Tokita , K. Tsubakimoto , N. Miyanaga , J. Kawanaka","doi":"10.1016/j.hedp.2020.100906","DOIUrl":null,"url":null,"abstract":"<div><p>From experiments, we analyzed the spatiotemporal characteristics of a laser pulse in the Fourier plane in the 4-f arrangement. Based on these characteristics, we demonstrated two-stage frequency domain optical parametric amplification (FDOPA). The 275-fs signal seed pulse of the 1054-nm central wavelength was amplified in Type I β-BaB<sub>2</sub>O<sub>4</sub> crystals pumped by a 180-ps pulse of 532-nm wavelength 532 nm. Using two-stage FDOPA at pump energy of 27 mJ (1.5 GW/cm<sup>2</sup><span>), a total net gain of 67 was obtained, yielding an output energy of 174 μJ while maintaining pulse width. We report the new concept of a two-stage FDOPA with beam magnification inside the 4-f arrangement that avoids damage to the output diffraction grating.</span></p></div>","PeriodicalId":49267,"journal":{"name":"High Energy Density Physics","volume":"38 ","pages":"Article 100906"},"PeriodicalIF":1.6000,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.hedp.2020.100906","citationCount":"0","resultStr":"{\"title\":\"Development two-stage frequency domain optical parametric amplification\",\"authors\":\"J. Ogino , L. Zhaoyang , S. Tokita , K. Tsubakimoto , N. Miyanaga , J. Kawanaka\",\"doi\":\"10.1016/j.hedp.2020.100906\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>From experiments, we analyzed the spatiotemporal characteristics of a laser pulse in the Fourier plane in the 4-f arrangement. Based on these characteristics, we demonstrated two-stage frequency domain optical parametric amplification (FDOPA). The 275-fs signal seed pulse of the 1054-nm central wavelength was amplified in Type I β-BaB<sub>2</sub>O<sub>4</sub> crystals pumped by a 180-ps pulse of 532-nm wavelength 532 nm. Using two-stage FDOPA at pump energy of 27 mJ (1.5 GW/cm<sup>2</sup><span>), a total net gain of 67 was obtained, yielding an output energy of 174 μJ while maintaining pulse width. We report the new concept of a two-stage FDOPA with beam magnification inside the 4-f arrangement that avoids damage to the output diffraction grating.</span></p></div>\",\"PeriodicalId\":49267,\"journal\":{\"name\":\"High Energy Density Physics\",\"volume\":\"38 \",\"pages\":\"Article 100906\"},\"PeriodicalIF\":1.6000,\"publicationDate\":\"2021-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.hedp.2020.100906\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"High Energy Density Physics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1574181820301294\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PHYSICS, FLUIDS & PLASMAS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"High Energy Density Physics","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1574181820301294","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, FLUIDS & PLASMAS","Score":null,"Total":0}
Development two-stage frequency domain optical parametric amplification
From experiments, we analyzed the spatiotemporal characteristics of a laser pulse in the Fourier plane in the 4-f arrangement. Based on these characteristics, we demonstrated two-stage frequency domain optical parametric amplification (FDOPA). The 275-fs signal seed pulse of the 1054-nm central wavelength was amplified in Type I β-BaB2O4 crystals pumped by a 180-ps pulse of 532-nm wavelength 532 nm. Using two-stage FDOPA at pump energy of 27 mJ (1.5 GW/cm2), a total net gain of 67 was obtained, yielding an output energy of 174 μJ while maintaining pulse width. We report the new concept of a two-stage FDOPA with beam magnification inside the 4-f arrangement that avoids damage to the output diffraction grating.
期刊介绍：
High Energy Density Physics is an international journal covering original experimental and related theoretical work studying the physics of matter and radiation under extreme conditions. ''High energy density'' is understood to be an energy density exceeding about 1011 J/m3. The editors and the publisher are committed to provide this fast-growing community with a dedicated high quality channel to distribute their original findings.
Papers suitable for publication in this journal cover topics in both the warm and hot dense matter regimes, such as laboratory studies relevant to non-LTE kinetics at extreme conditions, planetary interiors, astrophysical phenomena, inertial fusion and includes studies of, for example, material properties and both stable and unstable hydrodynamics. Developments in associated theoretical areas, for example the modelling of strongly coupled, partially degenerate and relativistic plasmas, are also covered.
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