使用EMCCD进行极微弱通量成像
Extreme faint flux imaging with an EMCCD
摘要：
介绍了一种用于极微弱通量成像的EMCCD相机。CCCP是用于光子计数的CCD控制器，已与e2v technologies的CCD 97 EMCCD集成到蒙特利尔大学天文物理实验室（LAE）的科学相机中。这款新相机实现了亚电子读出噪声和非常低的时钟感应电荷（CIC）水平，这是极微弱通量成像所必需的。通过相机收集的数据表明，通过增强的制造工艺，这将避免陷阱的产生，并在CCCP可产生的时钟形状的帮助下，在垂直转移过程中产生的CIC几乎可以被抑制。该相机已在实验室中进行了表征，并用于Mont Mégantic天文台的1.6米望远镜。相机的性能进行了讨论和实验数据与第一个科学数据。
英文摘要：
An EMCCD camera, designed from the ground up for extreme faint flux imaging, is presented. CCCP, the CCD Controller for Counting Photons, has been integrated with a CCD97 EMCCD from e2v technologies into a scientific camera at the Laboratoire d'Astrophysique Expérimentale (LAE), Université de Montréal. This new camera achieves sub-electron read-out noise and very low Clock Induced Charge (CIC) levels, which are mandatory for extreme faint flux imaging. Data gathered with the camera suggests that through enhanced manufacturing processes, which would avoid traps from being created, and with the help of the clock shapes producible with CCCP, the CIC generated during the vertical transfer could be virtually suppressed. The camera has been characterized in laboratory and used on the Observatoire du Mont Mégantic 1.6-m telescope. The performance of the camera is discussed and experimental data with the first scientific data are presented.
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