Advances in transmission x-ray optics Page: 3 of 26
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pnerqetics; and Purdue University's Department of Mechanical Engineerinq.
decent theoretical work7 in coded aperture imaging has extended
our understanding of the basic principles of Zone Plate Coded Imaging
(ZPCI). An eigenfunction analysis of continuous source distributions has
provided new insight to linear as well as nonlinear effects in the
microscopy of small laboratory x-ray sources. In addition, the
development f new techniques for the fabrication of ultra-thick tone
plate ceded apertures has extended high resolution coded imaqmq to
shorter wavelenqth radiations3 (e.q. 100 keV x-rays).
Significant new work has heen done in the fabrication of advanced
zone plate loosing elements for x-rays. Sophisticated scanning electro"
beam lithographic (SFSL) techniques’ have been applied to the
production of Fresnel zone plate objective lenses with minimum iinewidths
as small as 1500A. SEBL techniques have also been applied to the
production of "large" diameter [ •irr'i Fresnel zone plate condenser
lenses for use in x-ray microscopy3. In addition, a detailed design
trategy for x-ray phase lenses (i.e. Fresnel phase plates) has been
carried out, and the first x-ray phase lens (for use at At K =
l.o keV) has been fabricated0.
New capabilities in time and space resolved x-ray spectroscopy have
emerged from the coupling of high precision x-ray transmission
gratings7 with x-rQy streak cameras8 and grazing incidence reflection
(GIR) x-ray microscopes9. These new instruments have been applied to
the investigation of laser produced laboratory plasmas with striking
resu Its10.
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Ceglio, N.M. Advances in transmission x-ray optics, article, January 1, 1983; [Livermore,] California. (https://digital.library.unt.edu/ark:/67531/metadc1065938/m1/3/: accessed March 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.