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February 2, 2026JACOW0 citationsOpen Access

The APS linac RF station upgrading status

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ANAlireza NassiriDMDavid MeyerGFGreg Fystro

Key Points

  • To summarize the refurbishment of RF stations at the APS linac and its impact on performance.
  • Upgraded two of five RF stations with solid-state modulators and klystrons.
  • Implemented new digital low-level RF systems for enhanced operation.
  • Conducted performance evaluations post-upgrade.
  • Significant improvements in the quality of electron beams produced.
  • Enhanced reliability of the APS linac for future operations.

Abstract

The Advanced Photon Source (APS) linac has reliably delivered high-quality electron beams for over 30 years. To support the APS Upgrade and ensure continued operation, a major refurbishment is underway. As part of this project, two of the linac's five operating radio frequency (RF) stations have been upgraded with solid-state modulator-powered klystrons and new digital low-level radio frequency (LLRF) systems. This upgrade has notably improved the linac's performance. This paper summarizes these improvements and outlines our next plans.

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Cite This Study

Nassiri et al. (2026) studied this question.

synapsesocial.com/papers/6980fc17c1c9540dea80de51https://doi.org/10.18429/jacow-napac2025-thp081
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Status of the APS Accelerator Controls Following Its Major Upgrade2025
  2. 2APS upgrade: Commissioning the world’s first light source based on swap-out injection2026
  3. 3The Linac Extension Area at the Advanced Photon Source2024 · 1 citations
  4. 4The Role of Beam Diagnostics during APS-U Commissioning2026
  5. 5Experience with a bunch lengthening cavity at the APS2026