Inclined-incidence quasi-Fresnel lens for prefocusing of synchrotron radiation x-ray beams
- Center for Novel Material Science Under Multi-Extreme Conditions, Graduate School of Material Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297 (Japan)
- SPring-8 Service Co., Ltd, 1-20-5 Kouto, Shingu, Tatsuno, Hyogo 679-5165 (Japan)
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-{mu}m-wide beam to a width of 80 {mu}m with a photon flux density gain of 5.6 at an x-ray energy of 10 keV.
- OSTI ID:
- 22080495
- Journal Information:
- Applied Physics Letters, Vol. 101, Issue 16; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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