用雪崩光电二极管探测器计算每个脉冲的多重x射线。

IF 2.5 3区物理与天体物理

Journal of Synchrotron Radiation Pub Date : 2025-05-01 Epub Date: 2025-04-09 DOI:10.1107/S1600577525002462

Liam T Powers, Aidan M Jacobsen, Stephen M Durbin

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引用次数: 0

摘要

x射线同步加速器上的雪崩光电二极管探测器（apd）通常被限制在每个同步加速器脉冲最多记录一个光子。数字化APD放大器输出使信号处理能够准确地测量基于初始同步加速器测量的每脉冲至少四个光子的平均计数率。更高的利率是很容易实现的。这种方法允许apd在比以前高得多的强度下进行时间分辨测量。

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Counting multiple X-rays per pulse with an avalanche photodiode detector.

Avalanche photodiode detectors (APDs) at X-ray synchrotrons are typically limited to recording at most one photon per synchrotron pulse. Digitizing the APD amplifier outputs enables signal processing to accurately measure a mean count rate of at least four photons per pulse based on initial synchrotron measurements. Higher rates are readily achievable. This method allows APDs to be utilized for time-resolved measurements at much higher intensities than before.

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来源期刊

Journal of Synchrotron Radiation INSTRUMENTS & INSTRUMENTATIONOPTICS&-OPTICS

CiteScore

5.60

自引率

12.00%

发文量

289

审稿时长

1 months

期刊介绍： Synchrotron radiation research is rapidly expanding with many new sources of radiation being created globally. Synchrotron radiation plays a leading role in pure science and in emerging technologies. The Journal of Synchrotron Radiation provides comprehensive coverage of the entire field of synchrotron radiation and free-electron laser research including instrumentation, theory, computing and scientific applications in areas such as biology, nanoscience and materials science. Rapid publication ensures an up-to-date information resource for scientists and engineers in the field.