Fabrication and hard X-ray focusing of X-ray refractive lens from liquid materials

Kohmura, Yoshiki; Awaji, Mitsuhiro; Suzuki, Yoshio; Ishikawa, Tetsuya; Dudchik, Yu. I.; Kolchevsky, N. N.; Komarov, F. F.
May 2000
AIP Conference Proceedings;2000, Vol. 507 Issue 1, p549
Academic Journal
X-ray refractive lens has been developed with liquid materials at SPring-8, with the expectation that smooth surfaces can be obtained by the natural surface tensions. The lenses developed consist of approximately spherical micro-lenses. Though the shapes are not well controlled and the parabola shapes are better in terms of spherical aberrations, some lenses developed had high tolerances to severe radiation damages (e.g. ∼5× 10[sup 12] photons/sec/0.03mm² of 18 kev X-rays) for an exposure time of one hour. The gain at the focal plane and the transmissivity for various types of the lens tested are also summarized.


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