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[ Identification | Description | Input parameters | Output parameters | Links ]
The NSLS2_CHX Instrument
Coherent hard x-ray beamline @ NSLS II
Identification
- Site: NSLS2
- Author: Jana Baltser
- Origin: NBI, BNL
- Date: March 2011
- Version: 0.2
Description
This is a lay-out of the coherent hard x-ray (CHX) beamline at NSLS-II. Since the ray-tracing method doesn't allow to account for partial coherence of the undulator source, the best approximation was to use the gaussian photon beam and to neglect diffraction effects on apertures. The choice of the source sizes along with angular divergence corresponds to the situation of high emittance (e=0.99nm).
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default |
|---|---|---|---|
| L | m | Distance from the source to the SS1, secondary source aperture. | 33.5 |
| L2 | m | Position of the CRL. | 35.3 |
| L3 | m | Position of the Kinoform lens. | 44 |
| Energy | keV | primary energy used at the beamline. | 10 |
| dEnergy | 0.5 |
Links
- Source code for
NSLS2_CHX.instr.
[ Identification | Description | Input parameters | Output parameters | Links ]
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