期刊
APPLIED PHYSICS LETTERS
卷 77, 期 24, 页码 4058-4060出版社
AMER INST PHYSICS
DOI: 10.1063/1.1332401
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Silicon refractive planar parabolic lenses with minimized absorption were fabricated by a combination of photolithography and dry-etching techniques. Focusing and spectral properties of the lenses were studied with synchrotron radiation in the energy range 8-25 keV at the European Synchrotron Radiation Facility. A focal spot of 1.8 mum with a gain of 18.5 and transmission of more then 80% was measured at 15.6 keV. The spectral characteristics were analyzed taking into account material dispersion and photon-energy attenuation in the hard x-ray range. (C) 2000 American Institute of Physics. [S0003-6951(00)00151-0].
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