[wr_row width=”boxed” background=”none” solid_color_value=”#FFFFFF” solid_color_color=”#ffffff” gradient_color=”0% #FFFFFF,100% #000000″ gradient_direction=”vertical” repeat=”full” img_repeat=”full” autoplay=”yes” position=”center center” paralax=”no” border_width_value_=”0″ border_style=”solid” border_color=”#000″ div_padding_top=”10″ div_padding_bottom=”10″ div_padding_right=”10″ div_padding_left=”10″][wr_column span=”span10″ ][wr_heading el_title=”Optical design and simulation of a new coherence beamline at NSLS-II” tag=”h3″ text_align=”inherit” heading_margin_top=”5″ heading_margin_bottom=”10″ font=”inherit” enable_underline=”yes” border_bottom_style=”solid” appearing_animation=”0″ disabled_el=”no” ]Optical design and simulation of a new coherence beamline at NSLS-II
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Garth J. Williams; Oleg Chubar; Lonny Berman; Yong S. Chu; Ian K. Robinson
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[/wr_text][wr_text el_title=”Main Text” text_margin_top=”0″ text_margin_bottom=”0″ enable_dropcap=”no” appearing_animation=”0″ disabled_el=”no” ]Abstract
We will discuss the optical design for a proposed beamline at NSLS-II, a late-third generation storage ring source, designed to exploit the spatial coherence of the X-rays to extract high-resolution spatial information from ordered and disordered materials through Coherent Diffractive Imaging, executed in the Bragg- and forward-scattering geometries. This technique offers a powerful tool to image sub-10 nm spatial features and, within ordered materials, sub-Angstrom mapping of deformation fields. Driven by the opportunity to apply CDI to a wide range of samples, with sizes ranging from sub-micron to tens-of-microns, two optical designs have been proposed and simulated under a wide variety of optical configurations using the software package Synchrotron Radiation Workshop. The designs, their goals, and the results of the simulation, including NSLS-II ring and undulator source parameters, of the beamline performance as a function of its variable optical components is described.

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