View source for 34-ID-E

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Welcome to 34ID-E Wiki.
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34ID-E is an [[wikipedia:undulator | undulator]] [[wikipedia:Beamline#Synchrotron_radiation_beamline | beamline]] dedicated to [[wikipedia:x-ray|x-ray]] micro/nano-diffraction activities at the [[Wikipedia:Advanced Photon Source | Advanced Photon Source]] (APS). 

The x-ray micro/nano-diffraction facility [[X-ray Focusing at 34ID-E | focuses]] x-ray beam to smaller than 0.5&mu;m &times; 0.5&mu;m for use in diffraction techniques using Kirkpatrick-Baez (K-B) mirrors. A specially designed micro-monochromator allows the selection of either polychromatic or monochromatic conditions with a fixed focal spot on the sample. 

Polychromatic x-ray microscopy utilizes Laue diffraction method to characterize crystalline structure in materials. By scanning a [[differential aperture]], spatially resolved microdiffraction measurements can be made in all three dimensions with sub-&mu;m resolution. Properties that can be measured include the local crystalline phase, local texture (orientation), and the local strains. 

34ID-E is part of Sector 34ID, which has, after a canting upgrade in 2011, two independently-operated undulators placed in tandem along the ring. X-rays generated by them are horizontally separated. 34ID-E takes the inboard beam, while the outboard beam goes into 34ID-C for [[wikipedia:coherent diffraction imaging|coherent diffraction imaging]] experiments.

The development of the microbeam experimental capabilities were sponsored by the [[wikipedia:United States Department of Energy|DOE]] [[wikipedia:Office of Science|Office of Science]]. 

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|'''Beam Parameters'''
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|Source Type || Undulator A, 3.3 cm period, 2.2 m
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|Energy Range || 7 - 30 keV
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|Beam Size || 300 - 500 nm (H) &times; 300 - 700 nm (V)
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|Energy Resolution (&Delta;E/E) || 1 &times; 10<sup>-4</sup>
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|rowspan="2"|Beam Flux (photons/sec)
|1 &times; 10<sup>11</sup> (white)
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|1 &times; 10<sup>9</sup> (mono)
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|'''Contacts'''
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* Wenjun Liu
* [[User:Ruqingxu | Ruqing Xu]]
* [http://sector33.xray.aps.anl.gov/~tischler/ Jon Tischler] (Group Leader)

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* [[34ID Beamline Layout]]
* [[34ID-E Experiment Station]]
* [[34ID-E Detectors]]


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* People started to build 34ID a long time ago. ''See: [[History of Beamline 34ID-E]]''

* [[34ID-E Coordinate Systems]]

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* [http://www.aps.anl.gov/epics/ EPICS]
* [[34ID-E Control Interface]]

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* Experimental data taken with our [[34ID-E Detectors|area detectors]] are saved in the [http://www.nexusformat.org/ NeXus format] based on [[wikipedia:Hierarchical Data Format | HDF-5]].

* Analysis and visualization are mostly done with '''[[LaueGo]]''', a package developed at 34ID-E based on [[IGOR Pro]], runs on any PC or Mac.

* Data from depth-resolved measurements requires [[Reconstruction of Depth-Profiling Data | reconstruction]], which is carried out by a multi-node Linux cluster at APS.

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== External Links ==
*[http://www.aps.anl.gov/Sectors/33_34/microdiff/index.html 34ID-E Homepage]
*[http://sector33.xray.aps.anl.gov/34ide/status.cgi 34ID-E real-time status page]
*[http://www.aps.anl.gov/Sectors/33_34/ Surface Scattering and Microdiffraction Group]
*[http://www.aps.anl.gov/ Advanced Photon Source] and [http://www.anl.gov Argonne National Laboratory]
*[http://www.aps.anl.gov/Beamlines/Directory/ APS Beamline Directory] and [http://www.aps.anl.gov/Beamlines/Phone_Directory/ Phone Numbers]