用于超光谱学和其他应用的先进光电探测器
Advanced Photodetectors for Hyperspectroscopy and Other Applications
摘要：
超光谱学是一种新的表面成像方法，同时提供高的位置和光谱分辨率，使人们能够对表面的化学成分做出一些结论。我们现在正在研究将超光谱技术应用于医学。这可能使人们能够开发一些疾病的早期诊断，例如皮肤癌。对于图像拍摄，目前使用先进的MCP，其在450-850 nm的光谱间隔中敏感。本工作的目的之一是将超光谱方法扩展到光谱的UV区域：185-280 nm。为此，我们开发并成功测试了具有电阻电极的创新1D和2D UV密封光敏气体探测器。由于噪声脉冲的速率非常低，因此由于高信噪比，这些检测器是优良的MCP。这些探测器的其他重要特点是，它们具有出色的位置分辨率- 30微米的数字形式，是振动稳定和火花保护。这些探测器的光谱，超光谱和火焰检测的应用程序的第一个结果。
英文摘要：
Hyperspectroscopy is a new method of surface image taking, providing simultaneously high position and spectral resolutions which allow one to make some conclusions about chemical compositions of the surfaces. We are now studying applications of the hyperspctroscopic technique to be used for medicine. This may allow one to develop early diagnostics of some illnesses, as for example, skin cancer. For image taking advanced MCPs are currently used, sensitive in the spectral interval of 450-850 nm. One of the aims of this work is to extend the hyperspectrocpic method to the UV region of spectra: 185-280 nm. For this we have developed and successfully tested innovative 1D and 2D UV sealed photosensitive gaseous detectors with resistive electrodes. These detectors are superior MCPs due to the very low rate of noise pulses and thus due to the high signal to noise ratio. Other important features of these detectors are that they have excellent position resolutions - 30 micron in digital form, are vibration stable and are spark protected. The first results from the application of these detectors for spectroscopy, hyperspectroscopy and the flame detection are presented.
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