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Title: Contact and Phase-Contrast Imaging of Nanostructures by Femtosecond-Laser-Driven-Cluster-Based Debris-Free Soft X-Ray Source

Journal Article · · AIP Conference Proceedings
DOI:https://doi.org/10.1063/1.3204553· OSTI ID:21344337
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  1. Kansai Photon Science Institute (KPSI), Japan Atomic Energy Agency (JAEA), Kizugawa-shi, Kyoto (Japan)
  2. Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow (Russian Federation)
  3. Institute for Mathematical Modeling, Russian Academy of Sciences, Moscow (Russian Federation)
  4. Graduate School for the Creation of New Photonics Industries, Hamamatsu (Japan)

The high-intensive source of soft X-ray emission was developed by femtosecond laser pulses irradiation of submicron size CO{sub 2} clusters, produced in custom designed super-sonic nozzle while mixing the 10% CO{sub 2}+90% He expanding gases. The LiF crystal soft X-ray detectors have been used for obtaining absorption images of ultrathin (nanoscale) foils and biological structures illuminated by the developed source. It was demonstrated that even if the foil is essentially transparent for the soft X-ray radiation (like 100 nm thick Zr foil), the image contrast could be significantly increased due to the influence of propagation-based phase-contrast effect, by placing the detector at the proper distance from the sample.

OSTI ID:
21344337
Journal Information:
AIP Conference Proceedings, Vol. 1153, Issue 1; Conference: 2. international symposium on laser-driven relativistic plasmas applied to science, industry and medicine, Kyoto (Japan), 19-23 Jan 2009; Other Information: DOI: 10.1063/1.3204553; (c) 2009 American Institute of Physics; ISSN 0094-243X
Country of Publication:
United States
Language:
English