Initial characterization and design of an ultra-high-vacuum-compatible artificail channel-cut monochromator.
We present initial characterization results of a novel ultra-high-vacuum-compatible artificial channel-cut monochromator that has been installed as part of undulator beamline 8-ID-I at the Advanced Photon Source. We present details of the mechanical design and control-system implementation of the new device. The monochromator has been designed to meet the challenging stability and optical requirements of the x-ray photon correlation spectroscopy program hosted at this beamline. In particular, the device incorporates a novel in-vacuum sine-bar drive mechanism for the combined pitch motion of the two crystals and a flexure-based high-stiffness weak-link mechanism for fine tuning the pitch and roll of the second crystal relative to the first crystal.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 970765
- Report Number(s):
- ANL/XSD/CP-118663
- Country of Publication:
- United States
- Language:
- ENGLISH
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