Short Wavelength Coherent Radiation: Generation and Applications最新文献_第6页

Sub-Nanosecond, Photon Counting, Imaging, X-Ray Camera 亚纳秒，光子计数，成像，x射线照相机

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.od371

D. Whelan, M. R. Carter, D. Price, R. Stewart

{"title":"Sub-Nanosecond, Photon Counting, Imaging, X-Ray Camera","authors":"D. Whelan, M. R. Carter, D. Price, R. Stewart","doi":"10.1364/swcr.1988.od371","DOIUrl":"https://doi.org/10.1364/swcr.1988.od371","url":null,"abstract":"A high temporal bandwidth x-ray detector has been developed for time resolved one dimensional x-ray imaging experiments. The detector serves as a high gain, high quantum efficiency preamplifier for a streak camera, and consists of a reflective x-ray photocathode, an active microchannel plate, optional electrostatic optics, and a sub-nanosecond phosphor. The optional electrostatic optics allows the detector to be used for either two dimensional imaging with a 100 picosecond framing (without focusing optics), or as a high gain one dimensional imaging detector, with either a 100 picosecond gated Reticon camera, or a streak camera. Other versions of the one dimensional detector have been developed, in which the microchannel plate which employs a reflective photocathode on the front surface of the microchannel plate, is replaced with a transmission photocathode consisting of a photocathode deposited on a thin polypropylene foil. The detector exhibits a time resolution of 400 picoseconds FWHM, a spatial resolution of 350 pm with an electron compression of ten to one (100μm resolution without compression). Quantum efficiency of 40% have been achieved, and effective quantum efficiency greater than 100% have been achieved with the one dimensional electrostatic optics. Data will be presented on the efficiency, time response and spatial resolution of the one dimensional detectors.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"409 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":"125319222","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

Ne-Like Ion X-Ray Laser Experiments in Plasmas Produced by 0.53-μm and 035-μm Laser Light 0.53 μm和035 μm激光等离子体中的类ne离子x射线激光实验

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos93

C. Keane, J. Bourgade, P. Combis, R. London, M. Louis-Jacquet, B. MacGowan, D. Matthews, D. Naccache, O. Peyrusse, M. Rosen, G. Thiell, B. Whitten

引用次数: 0

Soft X-Ray Spectroscopy of Laser-Produced Plasma 激光等离子体的软x射线光谱学

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.od326

Shi-sheng Chen, Zhi-zhan Xu, Zheng-quan Zhang

引用次数: 0

Diffraction Contrast of a Bragg-Fresnel Lens in White and Monochromatic Radiation 布拉格-菲涅耳透镜在白色和单色辐射下的衍射对比

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.od347

V. Aristov, Yu.A. Basov, R. Frahm, W. Graeff, G. Materlik, A. Snigirev

引用次数: 0

Proposed Method for the Measurement of the Spatial Coherence of Laboratory X-Ray Lasers 实验室x射线激光器空间相干性测量方法研究

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.od350

J. Trebes, T. Barbee, H. Nathel, A. Szőke

引用次数: 0

X-Ray Laser Experiment with Double Pass Device and Long-Recombing-Plasma Column 双通道装置和长复合等离子体柱的x射线激光实验

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos21

P. Jaeglé, A. Carillon, P. Dhez, B. Gauthé, F. Gadi, G. Jamelon, A. Klisnick

{"title":"X-Ray Laser Experiment with Double Pass Device and Long-Recombing-Plasma Column","authors":"P. Jaeglé, A. Carillon, P. Dhez, B. Gauthé, F. Gadi, G. Jamelon, A. Klisnick","doi":"10.1364/swcr.1988.swlos21","DOIUrl":"https://doi.org/10.1364/swcr.1988.swlos21","url":null,"abstract":"The results reported here, are time integrated measurements of soft X-ray amplification obtained with our new experimental set-up involving a single normal incidence multilayered mirror, put at the rear of a 60mm laser-plasma column. After a brief description of the experimental system, we report the first results obtained at 10.57nm by comparing intensities of single-pass ASE and of double-pass with the mirror. The target is a thin aluminum layer with a thickness optimizing the population inversion on lithium-like Al+10 ions. The pumping is produced by recombination mechanisms during the plasma cooling.\u0000 From the single to the double pass X-ray beam, the lines exhibit significant differences, both in peak intensities and widths. First, double-passing enhances the 10.57nm line intensity much more than mirror reflection would do without any amplification by the plasma. Secondly, and concomitantly, one observes a line width decreasing of about 30%.\u0000 This is supposed due to a core size decreasing of the zone emitting the line. To explain how the cross-section of the double pass beam can be reduced during propagation trough the plasma column we suggest to consider the focussing effects due to the gain coefficient profile.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"4 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":"126963849","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

First Images from the Stanford Tabletop Scanning Soft X-Ray Microscope 斯坦福桌面扫描软x射线显微镜的第一张图像

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.mh290

J. Trail, R. Byer

引用次数: 1

Soft X-Ray Lenses with 400 Å Outer Zone Width 软x射线透镜400 Å外区宽度

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.od325

Y. Vladimirsky, D. Kern, T. Chang, W. Meyer-Ilse, P. Guttmann, B. Greinke, D. Attwood

{"title":"Soft X-Ray Lenses with 400 Å Outer Zone Width","authors":"Y. Vladimirsky, D. Kern, T. Chang, W. Meyer-Ilse, P. Guttmann, B. Greinke, D. Attwood","doi":"10.1364/swcr.1988.od325","DOIUrl":"https://doi.org/10.1364/swcr.1988.od325","url":null,"abstract":"Fresnel zone plate lenses for focussing and imaging radiation in the 10-50 Å wavelength region have been fabricated with outer zone widths as small as 400 Å. The zone plates were fabricated by electron beam lithography using a high resolution vector scan system designed specifically for nanometer pattern writing. A special circular pattern generation technique, utilizing high speed polar/cartesian conversion was utilized. Field size was calibrated for squareness and orthogonality using electron beam lithography calibration marks and laser interferometry. Patterns were written in a 180-200 nm thick PMMA resist on a 30 nm gold electroplating base. The substrate was a 100 nm silicon nitride film. The pattern received a dose of 250 μC/cm2 at 25 KeV. Special patterns requiring a thick central stop region, received a doubled dose, followed by a double development/double plating technique.\u0000 A method utilizing the phenomenon of form birefringence was used for monitoring the development of the fine features. In the optical microscope with polarized light and crossed analyzer, a distinct change of the reflected intensity is observed during the final stages of development.\u0000 Text patterns imaged at 45 Å wavelength demonstrate a spatial resolution approaching 500 Å. Measurements of zone plate efficiency are also described.","PeriodicalId":190758,"journal":{"name":"Short Wavelength Coherent Radiation: Generation and Applications","volume":"116 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":"131697562","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

Population Inversions between n = 5, 4, 3 and 2 levels of He-like Al Plasma Observed by Spatially Resolved X-ray Spectroscopy 空间分辨x射线光谱观察到的He-like Al等离子体n = 5、4、3和2能级间的居群反转

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.swlos67

H. Kuroda, M. Katsuragawa, K. Muroo, Y. Tanaka

引用次数: 0

X-Ray Holography: X-Ray Interactions and Their Effects x射线全息术:x射线相互作用及其效应

Short Wavelength Coherent Radiation: Generation and Applications Pub Date : 1900-01-01 DOI: 10.1364/swcr.1988.mh310

R. London, J. Trebes, M. Rosen

引用次数: 1