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Present status and performance of SPring-8 front ends.
Y Sakurai1, M Oura, S Takahashi
1JAERI-RIKEN SPring-8 Project Team, Kamigori, Ako-gun, Hyogo 678-12, Japan.
Journal of Synchrotron Radiation
|May 12, 2006
Summary
The SPring-8 synchrotron facility features a novel, modular front-end design for easy component exchange and alignment. This enhanced structure ensures reliable performance and efficient operation of X-ray beamlines.
Area of Science:
- Synchrotron Radiation Science
- Particle Accelerator Technology
Background:
- SPring-8 synchrotron radiation facility requires efficient and adaptable front-end systems.
- Existing front-end designs may present challenges in component rearrangement and maintenance.
Purpose of the Study:
- To introduce and evaluate a novel, modular front-end structure for the SPring-8 synchrotron.
- To assess the performance and reliability of the new front-end design under operational conditions.
Main Methods:
- Development of a common support structure for front-end components, excluding beam-position monitors and collimators.
- Implementation of replaceable pumping systems achieving high vacuum levels (2 x 10^-8 Pa).
- Precision alignment of the common support and components to an accuracy of 0.25 mm.
Main Results:
- Successful commissioning of front ends for four in-vacuum undulators and three bending-magnet beamlines.
- Demonstrated good pumping-down characteristics of the integrated pumping systems during synchrotron radiation operation.
- Temperature rise measurements confirm the capacity of absorbers and slits to manage anticipated heat loads at 100 mA ring current.
Conclusions:
- The novel front-end structure at SPring-8 facilitates easy component rearrangement and exchange.
- The system demonstrates robust performance, achieving high vacuum and handling significant heat loads, crucial for synchrotron radiation applications.