Reference 2

L. I. Goray, J. F. Seely, and S. Yu. Sadov, “Spectral separation of the efficiencies of the inside and outside orders of soft-x-ray-extreme-ultraviolet gratings at near normal incidence,” J. Appl. Phys., vol. 100, No. 9, 2006, pp. 094901-1-13.


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