Coherent THz synchrotron radiation from a storage ring with high-frequency RF system.
Coherent THz synchrotron radiation from a storage ring with high-frequency RF system.
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来自具有高频射频系统的存储环的相干太赫兹同步加速器辐射。
DOI：
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发表时间：
2006
影响因子：
8.6
通讯作者：
F. Sannibale
中科院分区：
文献类型：
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作者：
F. Wang;D. Cheever;M. Farkhondeh;W. Franklin;E. Ihloff;J. Laan;B. Mcallister;R. Milner;C. Tschalaer;Dong Wang;D. F. Wang;A. Zolfaghari;T. Zwart;G. Carr;B. Podobedov;F. Sannibale
电子存储环中明亮、稳定和宽带相干同步辐射（CSR）的产生很大程度上取决于环射频系统的特性，例如频率和间隙电压。我们观察到麻省理工学院贝茨南厅环产生的频率接近太赫兹范围的强烈相干辐射，该环采用高频 S 波段射频系统。对于 3 cm(-1) 附近的波数，使用 2 mA 存储电流测得的 CSR 光谱强度增强程度比背景高出 10,000 倍。测量还发现了强烈的光束不稳定性，如果这样一个非常高的射频频率电子存储环要成为可行的相干太赫兹源，就必须抑制这种不稳定性。
The generation of brilliant, stable, and broadband coherent synchrotron radiation (CSR) in electron storage rings depends strongly on ring rf system properties such as frequency and gap voltage. We have observed intense coherent radiation at frequencies approaching the THz regime produced by the MIT-Bates South Hall Ring, which employs a high-frequency S-band rf system. The measured CSR spectral intensity enhancement with 2 mA stored current was up to 10,000 times above background for wave numbers near 3 cm(-1). The measurements also uncovered strong beam instabilities that must be suppressed if such a very high rf frequency electron storage ring is to become a viable coherent THz source.