REG: Acquisition of an Electron-Bombarded Charge-Coupled Device (EBCCD) Digital Camera System

提案号CTS-9700055主要研究者：Lucht这是一笔用于购买电子轰击电荷耦合器件（EBCCD）数码相机系统的拨款。EBCCD是一种采用背照式CCD （BCCD）芯片作为真空光电二极管负极的新型阵列探测器。增益过程的噪声比多通道板（mcp）中的增益过程小得多，而多通道板是目前几乎所有增强CC相机增益过程的基础。与mcp增强的CCDS相比，EBCCD具有许多优点，包括更好的信噪比（SNR）、更大的动态范围和更好的图像质量。EBCCD在弱光下也有更好的灵敏度。燃烧应用的一个重要特点是，EBCCD可以通过将光电阴极和阳极之间的电压打开和关闭来进行门控，最小栅极宽度至少为100 nsec。因此，EBCCD可以用于火焰中的激光成像测量，而未增强的BCCD由于背景火焰亮度而不能用于此类测量。

ABSTRACT Proposal Number CTS-9700055 Principle Investigator: Lucht This is a grant for the purchase of an electron-bombarded charge-coupled device (EBCCD) digital camera system. The EBCCD is a new type of array detector which uses a back illuminated CCD (BCCD) chip as the anode of a vacuum photodiode. The gain process is much less noisy than the gain process in multi-channel plates (MCPs), the basis of the gain process for nearly all intensified CC cameras at present. The EBCCD offers numerous advantages compared to MCP-intensified CCDS, including better signal-to-noise ratio (SNR), greater dynamic range, and much better image quality. The EBCCD also has better sensitivity at low light levels. An important feature for combustion applications is that the EBCCD can be gated by turning the voltage between the photocathode and anode on and off with minimum gate widths down to at least 100 nsec. Thus the EBCCD can be used for laser imaging measurements in flames, whereas the unintensified BCCD cannot be used for such measurements because of background flame luminosity.