Absolute efficiency measurement of high-performance zone plates

Sharon Chen; Alan Lyon; Janos Kirz; Srivatsan Seshadri; Yan Feng; Michael Feser; Simone Sassolini; Fred Duewer; Xianghui Zeng; Carson Huang

doi:10.1117/12.825367

8 September 2009 Absolute efficiency measurement of high-performance zone plates

Sharon Chen, Alan Lyon, Janos Kirz, Srivatsan Seshadri, Yan Feng, Michael Feser, Simone Sassolini, Fred Duewer, Xianghui Zeng, Carson Huang

Author Affiliations +

Proceedings Volume 7448, Advances in X-Ray/EUV Optics and Components IV; 74480D (2009) https://doi.org/10.1117/12.825367
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

An absolute efficiency measurement technique for Fresnel zone plates using an electron impact micro-focus laboratory X-ray source (Lα line of Tungsten at 8.4 KeV) is demonstrated. A quasi-monochromatic x-ray image of a zone plate was obtained employing a pair of copper and cobalt filters. Applying this method to zone plates optimizes the zone plate fabrication process and provides the ability to explore zone geometry to achieve the best possible efficiency. Several zone plate parameters were tested with first order efficiency measuring from 1% to 29%.

Citation Download Citation

Sharon Chen, Alan Lyon, Janos Kirz, Srivatsan Seshadri, Yan Feng, Michael Feser, Simone Sassolini, Fred Duewer, Xianghui Zeng, and Carson Huang "Absolute efficiency measurement of high-performance zone plates", Proc. SPIE 7448, Advances in X-Ray/EUV Optics and Components IV, 74480D (8 September 2009); https://doi.org/10.1117/12.825367

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