Performance analysis of the commissioning filter and window assembly for insertion device beamlines at the Advanced Photon Source
Journal Article
·
· Review of Scientific Instruments
- Experimental Facilities Dvision, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
Although the Advanced Photon Source (APS) undulator beamlines are designed for windowless operation, a special window assembly will be used during the commissioning phase of the beamlines until sufficient operational experience is gained with the powerful undulator A photon beam. This assembly is called a {open_quote}{open_quote}commissioning window.{close_quote}{close_quote} The commissioning window assembly as designed consists of a 300-{mu}m-thick filter (made of graphite), a fixed mask (made of Glidcop), a multipurpose transmitting filter/BPM disk (made of 127-{mu}m-thick CVD diamond), and set of a double windows (made of 250-{mu}m-thick beryllium). Due to the high total power and power density, the filter/window assembly must be carefully designed to guarantee longevity and satisfactory performance throughout its service. Hence extensive analytical work has been conducted on various thermal and structural aspects of the commissioning window assembly. This paper summarizes the analytical results and presents the expected performance characteristics of the as-designed commissioning window. {copyright} {ital 1996 American Institute of Physics.}
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 389629
- Report Number(s):
- CONF-9510119--
- Journal Information:
- Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 9 Vol. 67; ISSN 0034-6748; ISSN RSINAK
- Country of Publication:
- United States
- Language:
- English
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