Inclined-incidence quasi-Fresnel lens for prefocusing of synchrotron radiation x-ray beams

Yasushi Kagoshima, Hidekazu Takano, Shingo Takeda

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


An inclined-incidence quasi-Fresnel lens made of acrylic resin has been developed for prefocusing in synchrotron radiation x-ray beamlines. By inclining the lens, the grating aspect ratio is large enough for x-ray use. As it operates in transmission mode with negligible beam deflection and offset, little additional equipment is needed to introduce it into existing beamlines. It is fabricated by sheet-press forming, enabling inexpensive mass production. The prototype was able to focus a 730-μm-wide beam to a width of 80 μm with a photon flux density gain of 5.6 at an x-ray energy of 10 keV.

Original languageEnglish
Article number163102
JournalApplied Physics Letters
Issue number16
Publication statusPublished - 2012 Oct 15
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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