Characterization of Micro-Structured Optical Arrays
Author(s) -
Matthew Shand,
G. R. Morrison,
A. G. Michette,
Sławka J. Pfauntsch,
Douglas P. Hart,
T. J. Stevenson,
William Parkes,
Camelia Dunare,
R. Willingale,
Charlotte Feldman,
Tim Button,
C. Meggs,
Daniel Rodriguez-Sanmartin,
Ian McNulty,
Catherine Eyberger,
Barry Lai
Publication year - 2011
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.3625400
Subject(s) - characterization (materials science) , detector , reflection (computer programming) , channel (broadcasting) , optics , translation (biology) , signal (programming language) , computer science , physics , telecommunications , biochemistry , chemistry , messenger rna , gene , programming language
Characterization methods for grazing‐incidence reflecting channel arrays are discussed. Characterization of single‐reflection, unactuated micro‐structured optical arrays is required to evaluate their performance as focusing elements. Numerical simulations allow the contribution of the x‐rays reflected by the channel walls to be distinguished from the overall transmitted signal, and are applied to axial sources. Experimental results are also shown to support the simulations by translation of the channel structure parallel to a detector plane, allowing separation of reflected and transmitted x‐rays through the array on the detector.
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