Development of a CCD X-ray Detector

普林斯顿生物物理学小组在过去20年里一直在进行一项计划：(1)开发基于图像增强荧光屏原理的面X射线探测器，该探测器由慢扫描电视摄像机记录；(2)将这些探测器应用于生物和材料科学中的研究问题。我们建议开发一种新的探测器设计，它具有量子有限的灵敏度、75 mm宽的输入区域、高分辨率和低信号感生本底。这种新的设计建立在成功的早期探测器设计的基础上，但利用新推出的光纤和CCD传感器技术来提供前所未有的性能。该探测器将集成到小角X射线衍射系统中，用于研究生物膜和生物聚合物的结构和性质。该探测器特别适用于同步辐射实验，并将用于时间分辨和劳厄同步辐射研究。

The Princeton Biophysics group has had an ongoing program over the last 20 years (1) to develop area x-ray detectors based on the principle of image-intensified phosphor screens which are recorded by slow-scan TV cameras and (2) to apply these detectors to research problems in the biological and materials sciences. We propose to develop a new design of detector which would have quantum limited sensitivity, a 75mm wide input area, high resolution, and low signal-induced background. This new design builds on successful earlier detector designs but utilizes newly available fiber-optic and CCD sensor technology to provide unprecedented performance. The detector will be integrated into a small-angle x-ray diffraction system to be applied to the study of the structure and properties of biomembranes and biopolymers. The detector is especially suitable for synchrontron radiation experiments and will be used for time-resolved and Laue synchrotron radiation studies.