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Short Wavelength Coherent Radiation: Generation and Applications最新文献

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Strong-Field Processes in the Ultraviolet Region 紫外区的强场过程
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.hilim220
K. Boyer, G. Gibson, H. Jara, T. S. Luk, I. Mcintyre, A. Mcpherson, R. Rosman, J. Solem, C. Rhodes
{"title":"Strong-Field Processes in the Ultraviolet Region","authors":"K. Boyer, G. Gibson, H. Jara, T. S. Luk, I. Mcintyre, A. Mcpherson, R. Rosman, J. Solem, C. Rhodes","doi":"10.1364/swcr.1988.hilim220","DOIUrl":"https://doi.org/10.1364/swcr.1988.hilim220","url":null,"abstract":"A laboratory means for the generation of ultrahigh energy density states of matter, corresponding approximately to 0.1 – 1.0 W/atom at solid density, appears within technological reach. This capability enables the production, in a convenient laboratory environment, of energy densities comparable to those occurring in stellar interiors. The use of this technology will permit the study of a new realm of atomic phenomena involving (1) the behavior of matter in very strong fields, (2) the properties of highly stripped ions, (3) the characteristics of dense highly non–equilibrium plasmas, (4) high–field modes of electromagnetic propagation, and (5) the possibility of a new laser–driven means for the excitation and control of nuclear reactions.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"243 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134119736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calculation and Design of Ni-Like W Soft X-Ray Lasers† 类镍W软x射线激光器的计算与设计
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos123
S. Maxon, S. Dalhed, P. Hagelstein, B. MacGowan, R. London, M. Rosen
{"title":"Calculation and Design of Ni-Like W Soft X-Ray Lasers†","authors":"S. Maxon, S. Dalhed, P. Hagelstein, B. MacGowan, R. London, M. Rosen","doi":"10.1364/swcr.1988.swlos123","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos123","url":null,"abstract":"Gain on 0-1 transitions has now been demonstrated in Ni-like Eu1,2 and Yb3 using targets between 60 and 100 μg/cm2. The intensities of the input laser were 7×1013 W/cm2 (Eu) and 1.4×1014 W/cm2 (Yb). The measured gain coefficient on the 71Å (Eu) and the 50.3Å line (Yb) was 1 cm−1. Using a modified version of the Lagrangian hydrodynamics code LASNEX together with the kinetics code XRASER, the calculated gains are in reasonable agreement with experiment.2","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125854820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Short Wavelength Lasers: Something New, Something Old 短波激光:新东西，旧东西
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos28
P. Hagelstein
{"title":"Short Wavelength Lasers: Something New, Something Old","authors":"P. Hagelstein","doi":"10.1364/swcr.1988.swlos28","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos28","url":null,"abstract":"Significant amplification in the EUV and soft x-ray spectral regimes have been demonstrated recently at a number of laboratories using very high power ICF class lasers as pump sources. We discuss in this paper the possibility of developing short wavelength lasers on a smaller scale by scaling the electron collisional scheme in nickel-like ions to lower Z. Additionally, we examine population inversions in neodynium-like ions as an alternate route towards a small scale soft x-ray laser.\u0000 We consider specifically the design of a transient nickel-like molybdenum collisional laser based on a 4d – 4p transition near 194 Å. Such a laser could be driven by a 10 Joule Nd:glass pump laser system. In addition we consider the extension of the electron collisional scheme to neodynium-like U, in which the monopole-excited 5f – 5d transition occurs near 71 Å.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122317898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nuclear Bragg Diffraction using Synchrotron Radiation 利用同步辐射的核布拉格衍射
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.soa400
R. Ruffer
{"title":"Nuclear Bragg Diffraction using Synchrotron Radiation","authors":"R. Ruffer","doi":"10.1364/swcr.1988.soa400","DOIUrl":"https://doi.org/10.1364/swcr.1988.soa400","url":null,"abstract":"Nuclear Bragg diffraction in combination with synchrotron radiation will become a powerful new X-ray source in the Å-region. This new source exceeds already Mossbauer sources in brilliance giving Mossbauer scattering experiments further impetus. With the planned dedicated storage rings synchrotron radiation, filtered by measures of the Mossbauer effect, will not only allow new types of Mossbauer experiments but offers also a new X-ray source for yeV resolution and long coherence length X-ray optics.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129797434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Harmonic Generation in Laser-Free Electron Scattering Reconsidered 重新考虑无激光电子散射中的谐波产生
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos76
Anna K. Puntajer, C. Leubner
{"title":"Harmonic Generation in Laser-Free Electron Scattering Reconsidered","authors":"Anna K. Puntajer, C. Leubner","doi":"10.1364/swcr.1988.swlos76","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos76","url":null,"abstract":"For zero electron drift velocity, the corrected version1 of\u0000 Vachaspati's classical cross sections1-2\u0000 deviates strongly from a semi–classical one by\u0000 Ehlotzky3 and from an unpublished quantum electrodynamical\u0000 cross section by Jafarpour.4 Therefore, the cross section\u0000 is recalculated within classical electrodynamics, which suffices for\u0000 the experimental configurations in question.5 This\u0000 classical cross section, derivable more simply and with fewer\u0000 approximations than the semi–classical one, nevertheless\u0000 agrees perfectly with Elotzky's result3 for all harmonics,\u0000 but only to some extent with Vachaspati's earlier version2\u0000 of the classical second harmonic cross section, and not at all with\u0000 his corrected one,1 nor with Jafarpour's quantum\u0000 electrodynamical one.4 Moreover, it also incorporates\u0000 relativistic Thomson scattering as envisaged by\u0000 McDonald.6","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115716980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Charge-Displacement Self-Channeling as a Method for Energy Concentration 电荷位移自通道作为一种能量集中方法
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.hilim233
K. Boyer, T. S. Luk, J. Solem, C. Rhodes
{"title":"Charge-Displacement Self-Channeling as a Method for Energy Concentration","authors":"K. Boyer, T. S. Luk, J. Solem, C. Rhodes","doi":"10.1364/swcr.1988.hilim233","DOIUrl":"https://doi.org/10.1364/swcr.1988.hilim233","url":null,"abstract":"The concentration of energy arising from charge–displacement self–channeling is discussed. Since high energy deposition rates are expected to arise from multiphoton coupling and the channel can also serve as an effective waveguide for secondary radiation, such circumstances are Ideal for generating coherent short wavelength radiation.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132497071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gain Measurement on a 18.2-nm Carbon Recombination Laser Produced by an Intense CO2 Laser 强CO2激光器产生18.2 nm碳复合激光器的增益测量
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos141
H. Daido, E. Miura, Y. Kitagawa, K. Nishihara, Y. Kato, C. Yamanaka, S. Nakai
{"title":"Gain Measurement on a 18.2-nm Carbon Recombination Laser Produced by an Intense CO2 Laser","authors":"H. Daido, E. Miura, Y. Kitagawa, K. Nishihara, Y. Kato, C. Yamanaka, S. Nakai","doi":"10.1364/swcr.1988.swlos141","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos141","url":null,"abstract":"We propose a cylinder-type target as a carbon recombination laser medium made of 30-μm thick parylene (C8H8) whose diameter and length are 3mm and 3mm-12mm, respectively. The high power CO2 laser (500J in 50ns) irradiates a 2500-Å thick parylene foil attached to the end of the cylinder. Then the plasma from the thin foil and the cylinder wall produced by the scattered light expands and is confined in the cylinder, producing an almost uniform plasma without magnetic field. The plasma length of more than 1 cm was observed with x-ray pinhole camera. We measured the gain of CVI 3d-2p line (18.2 nm) using the axial and the transverse spectrometers. The maximum gain length product of 2.4 at cylinder length of 12 mm was obtained.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"331 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114369995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prepulsing to Increase the Efficiency of Laser-Produced-Plasma Pumped Lasers 预脉冲提高激光产生等离子体泵浦激光器的效率
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos60
M. Sher, S. J. Benerofe
{"title":"Prepulsing to Increase the Efficiency of Laser-Produced-Plasma Pumped Lasers","authors":"M. Sher, S. J. Benerofe","doi":"10.1364/swcr.1988.swlos60","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos60","url":null,"abstract":"We have demonstrated the use of a low energy prepulse to enhance the soft-x-ray emission of laser produced plasmas in a parameter range which has been used to pump photoionization lasers. We present data on conversion efficiency and output pulse duration as a function of input intensity, pulselength, and prepulse conditions. Our goal in these studies is to allow the design of more efficient short-wavelength photoionization lasers, and to achieve high repetition rate operation of these lasers in the near future.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123989745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Targets for Efficient Femtosecond-Time-Scale X-Ray Generation 高效飞秒-时间尺度x射线生成的目标
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos209
J. Kmetec, S. Harris
{"title":"Targets for Efficient Femtosecond-Time-Scale X-Ray Generation","authors":"J. Kmetec, S. Harris","doi":"10.1364/swcr.1988.swlos209","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos209","url":null,"abstract":"High power femtosecond lasers can be used to generate bright x-ray sources. The choice of element for the laser-produced-plasma target strongly affects the nature of the emitted x-rays. Combining low Z and high Z elements results in the brightest femtosecond x-ray radiators. Examples of lithium and tin combinations yielding 3.6 Ǻ x-rays with up to several percent conversion efficiencies are given.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116671916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress Towards a 44-Å X-Ray Laser 44-Å x射线激光器的进展
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos2
B. MacGowan, J. Bourgade, P. Combis, C. Keane, R. London, M. Louis-Jacquet, D. Matthews, S. Maxon, D. Naccache, M. Rosen, G. Thiell, D. Whelan
{"title":"Progress Towards a 44-Å X-Ray Laser","authors":"B. MacGowan, J. Bourgade, P. Combis, C. Keane, R. London, M. Louis-Jacquet, D. Matthews, S. Maxon, D. Naccache, M. Rosen, G. Thiell, D. Whelan","doi":"10.1364/swcr.1988.swlos2","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos2","url":null,"abstract":"Since 1984 when soft x-ray amplification was convincingly demonstrated at XUV wavelengths near 200 Å, much effort has gone into obtaining soft x-ray gain at shorter wavelengths. One motivation is the possibility of using a high brightness source of amplified spontaneous emission to perform holography of live biological specimens over short time scales.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"2014 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129675452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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