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Short Wavelength Coherent Radiation: Generation and Applications最新文献

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Progress in Optical Reconstruction of Submicron X-Ray Holograms 亚微米x射线全息图光学重建研究进展
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.mh295
D. Joyeux, F. Polack
{"title":"Progress in Optical Reconstruction of Submicron X-Ray Holograms","authors":"D. Joyeux, F. Polack","doi":"10.1364/swcr.1988.mh295","DOIUrl":"https://doi.org/10.1364/swcr.1988.mh295","url":null,"abstract":"We investigate the maximum resolution which can be obtained from x-ray holograms through optical reconstruction. This implies to reject paraxial approximations, i.e. to consider high numerical apertures, and to take into account the holographic aberrations. We determine first the limits to a perfectly corrected reconstruction, set by diffraction (in terms of numerical aperture and resolution). It is shown that the diffraction limit can be as good as λc/2.8, in a particular reconstruction configuration (λc: re-construction wavelength). Discussion of practical implementation suggests that λc/2.2 is reasonably feasible.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"2 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":"122665151","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: 6
High-Order Harmonics in Light Scattering by Atomic Electrons Above Threshold 阈值以上原子电子光散射中的高次谐波
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.hilim266
J. Eberly, Q. Su, J. Javanainen
{"title":"High-Order Harmonics in Light Scattering by Atomic Electrons Above Threshold","authors":"J. Eberly, Q. Su, J. Javanainen","doi":"10.1364/swcr.1988.hilim266","DOIUrl":"https://doi.org/10.1364/swcr.1988.hilim266","url":null,"abstract":"We report on light scattering in multiphoton ionization (MPI) computer experiments at high laser intensity. The plateau and cut-off features recently reported in laboratory experiments on high-order harmonic generation by McPherson, et al., and by Ferray, et al., are corroborated. We report scattered light spectra in four different cases and exhibit the corresponding ATI photoelectron spectra. We propose a connection between ATI and high-order harmonics.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"45 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":"123929688","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
VUV Amplification of Neon-Like Titanium Ion 类氖钛离子的紫外放大
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos154
H. Yashiro, T. Hara, K. Andō, Y. Aoyagi, T. Dote, S. Namba
{"title":"VUV Amplification of Neon-Like Titanium Ion","authors":"H. Yashiro, T. Hara, K. Andō, Y. Aoyagi, T. Dote, S. Namba","doi":"10.1364/swcr.1988.swlos154","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos154","url":null,"abstract":"Amplified spontaneous emission of the 2p53s3P1-2p53p3D2 transition at 50.8 nm in neon-like titanium ion has been observed in a line-shaped plasma produced by focusing a long laser pulse of 5 ns on a slab target for keeping population inversion for a long time.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"7 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":"132893950","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
Stimulated Compton Backscattering and the High Intensity Kapitza-Dirac Effect* 受激康普顿后向散射和高强度Kapitza-Dirac效应*
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.hilim236
D. Schumacher, P. Bucksbaum, M. Bashkansky
{"title":"Stimulated Compton Backscattering and the High Intensity Kapitza-Dirac Effect*","authors":"D. Schumacher, P. Bucksbaum, M. Bashkansky","doi":"10.1364/swcr.1988.hilim236","DOIUrl":"https://doi.org/10.1364/swcr.1988.hilim236","url":null,"abstract":"We report the scattering of low energy free electrons from an optical standing wave at intensities of 1013 to 1014W/cm2.1 This interaction is the high intensity limit of the Kapitza-Dirac effect,2 wherein electrons Bragg scatter from the standing wave \"lattice\". In this regime, the momentum exchanged exceeds the reciprocal lattice vector by a factor of 500 or more, and the scattering rate is compar able to the optical frequency. The electron motion is most easily analyzed by classical mechanics.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"46 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":"134641397","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
Narrowband Tunable VUV/XUV Radiation Generated by Frequency Mixing of Pulsed and CW Laserradiation 脉冲和连续波激光混频产生的窄带可调谐VUV/XUV辐射
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos175
G. Hilber, A. Lago, R. Wallenstein
{"title":"Narrowband Tunable VUV/XUV Radiation Generated by Frequency Mixing of Pulsed and CW Laserradiation","authors":"G. Hilber, A. Lago, R. Wallenstein","doi":"10.1364/swcr.1988.swlos175","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos175","url":null,"abstract":"Four- and six-wave mixing of pulsed and cw laser radiation in gases generates coherent radiation in the spectral region of the VUV/XUV at 60 - 200 nm.1 Recently considerable experimental progress has been achieved towards the development of powerful coherent VUV/XUV light sources based on these nonlinear optical methods.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"8 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":"123885566","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
Vacuum Ultraviolet Laser Spectroscopy of Molecular Autoionizing States 分子自电离态的真空紫外激光光谱
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.soa384
D. Milburn, D. Hart, J. Hepburn
{"title":"Vacuum Ultraviolet Laser Spectroscopy of Molecular Autoionizing States","authors":"D. Milburn, D. Hart, J. Hepburn","doi":"10.1364/swcr.1988.soa384","DOIUrl":"https://doi.org/10.1364/swcr.1988.soa384","url":null,"abstract":"This paper describes a new apparatus which uses coherent vacuum ultraviolet light to photoionize molecules in a supersonic molecular beam, and energy analyzes the resulting photoelectrons by time of flight spectroscopy. The broadly tunable coherent VUV is generated by four wave sum mixing in Hg. Using this apparatus, we have studied the dynamics of autoionization for two different systems: spin-orbit autoionization in HI, and vibrational autoionization in NO. In both cases, our recent results have pointed out dramatic new features of the dynamics in these molecules.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"10 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":"127459774","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
The production of long coherence-length hard x-rays using nuclear Bragg scattering of synchrotron radiation 利用同步辐射的核布拉格散射产生长相干长度的硬x射线
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.soa401
D. Siddons
{"title":"The production of long coherence-length hard x-rays using nuclear Bragg scattering of synchrotron radiation","authors":"D. Siddons","doi":"10.1364/swcr.1988.soa401","DOIUrl":"https://doi.org/10.1364/swcr.1988.soa401","url":null,"abstract":"Recently, several experimenters have successfully observed nuclear Bragg scattering from crystals containing 57Fe. By coherently exciting the 14.4keV resonance at the Bragg condition, almost pure beams of extremely monochromatic radiation can be generated. Although the intensities observed are so far quite low, the brightness produced by these techniques exceeds that available from radioactive sources. Instrumental improvements will soon make possible interesting new experiments. Several properties of the nuclear Bragg reflection process are interesting in themselves. These include the observation of beating in the time domain among hyperfine split resonance lines, and polarization mixing produced by scattering from oriented circularly polarized oscillators. Some speculations on the potential applications of this new source of long coherence-length radiation will be presented.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"24 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":"128605724","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
Narrow Line X-Ray Transition Radiation by Electron Beam Traversing a Solid-State Superlattice 电子束穿越固体超晶格的窄线x射线跃迁辐射
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos145
A. Kaplan, C. Law
{"title":"Narrow Line X-Ray Transition Radiation by Electron Beam Traversing a Solid-State Superlattice","authors":"A. Kaplan, C. Law","doi":"10.1364/swcr.1988.swlos145","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos145","url":null,"abstract":"Soft x-ray can be generated by low energy electron beams traversing a periodic layered medium with very short spatial period as was shown previously by Kaplan and Datta. We show that a combination of materials with high and low atomic number can produce an intense x-ray radiation with very narrow spectral peaks at the vicinity of K, L, … atomic absorption edges of each of the materials. We propose selection rules for materials constituting the solid-state superlattice. Our results demonstrate that an inexpensive x-ray source with mega (or submega) electron volt energy of electron beam can be used to generate narrow-line x-ray radiation.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"98 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":"115795605","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 Guided X-Ray Beams 增益引导x射线束
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos78
E. Fill
{"title":"Gain Guided X-Ray Beams","authors":"E. Fill","doi":"10.1364/swcr.1988.swlos78","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos78","url":null,"abstract":"It is shown that with gain and index profiles of typical x-ray laser experiments the x-ray beam is guided by the gain profile rather than defocussed by the refractive index distribution. An arbitrary beam generated within the medium or injected into the medium is quickly transformed into a ’matching’ beam, propagating without change. The effective gain of the matching beam is somewhat, lower than the gain at the maximum of the gain distribution.\u0000 If the gain distribution exhibits a small curvature in direction of beam propagation the effective gain is dramatically reduced.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"65 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":"115846284","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
Probability of Soft X-Ray Radiation for 3p-3s Transition in Neon-Like Iron 类氖铁中3p-3s跃迁的软x射线辐射概率
Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos69
Hui-Min Peng, Guoping Zhang, Jia-Tian Sheng, Yunfeng Shao
{"title":"Probability of Soft X-Ray Radiation for 3p-3s Transition in Neon-Like Iron","authors":"Hui-Min Peng, Guoping Zhang, Jia-Tian Sheng, Yunfeng Shao","doi":"10.1364/swcr.1988.swlos69","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos69","url":null,"abstract":"Using 1-D non-LTE radiative hydrodynamic code JB-19 we simulated the interactions of basic and double frequency neodymium-glass laser beam which is focussed into a line onto target, with thin Formvar-iron foils. The values of population inversions and gains are calculated using steady rate equations. The profiles of laser-produced plasma conditions and the probabilities for 3p-3s transition in neon-like iron at peak intensities 5TW per square centimeter to 20TW per square centimeter and FWHM 800-1000ps are shown.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"201 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":"123024366","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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