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首页> 外文会议>Conference on Ultrafast Phenomena in Semiconductors Ⅴ Jan 25-26, 2001, San Jose, USA >Detection of Ultrafast Phenomena with Streak Cameras and PMTs
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Detection of Ultrafast Phenomena with Streak Cameras and PMTs

机译：带有条纹相机和PMT的超快现象检测

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摘要

Several different schemes for detecting ultrafast optical events are available. Streak Cameras and schemes utilizing photomultipliers tubes (PMTs), such as time-correlated photon counting, pump-probe, up-conversion, phase-modulation, are found in most ultrafast labs. The selection of which method depends on several parameters of the event; such as the amount of collectable photons, wavelength, repeatability, the duration of the phenomena of interest, total duration of the event, available lasers used to initiate the event, and available budget. Streak cameras offer the most direct means of detecting ultrafast phenomena, with single photon sensitivity and time resolution down to 200-femtosecond. PMT schemes can offer a more cost-effective solution, depending on the above mentioned parameters and desired performance level. A newly developed NIR photomultiplier makes it possible to detect weak optical signals out to 1500 nm. This paper will discuss the tradeoffs between the various detection methods as well as cover a few illustrative applications.
机译：有几种不同的检测超快光学事件的方案。在大多数超快速实验室中，都可以找到利用光电倍增管（PMT）的条纹相机和方案，例如与时间相关的光子计数，泵浦探针，上转换，相位调制。哪种方法的选择取决于事件的几个参数。例如可收集的光子数量，波长，可重复性，关注现象的持续时间，事件的总持续时间，用于启动事件的可用激光器以及可用预算。条纹相机提供了检测超快现象的最直接方法，单光子灵敏度和低至200飞秒的时间分辨率。根据上述参数和所需的性能水平，PMT方案可以提供更具成本效益的解决方案。新开发的NIR光电倍增管可以检测到1500 nm以外的弱光信号。本文将讨论各种检测方法之间的权衡，并涵盖一些说明性应用。

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