快响应化学气相沉积金刚石软X射线探测器的研制
CVD diamond based soft X-ray detector with fast response
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摘要: 利用高品质化学气相沉积(CVD)金刚石，采用微带线结构研制了CVD金刚石软X射线探测器。利用脉宽为10 ps的激光器进行了探测器响应时间的测量，获得半宽度为115 ps的信号，经过计算得到CVD金刚石探测器的上升时间为49 ps。在激光原型装置实验中，通过与软X射线能谱仪测量结果的相互比对，证实所研制的CVD金刚石探测器是一种响应时间快、信噪比高、性能可靠的软X射线探测器。Abstract: A soft X-ray detector has been made with high quality chemical vapor deposited(CVD) diamond and the electrical structure of micro-strip. Through the measurement of response time on a laser with the pulse width of 10 ps, the full width at half maximum of the data got in the oscilloscope was 115 ps. The rise time of the CVD diamond detector was calculated to be 49 ps. In the experiment on the laser prototype facility, the signal got by the CVD diamond detector was compared with that got by a soft X-ray spectrosmeter. Both signals coincided well. The detector is proved to be a kind of reliable soft X-ray detector with fast response and high signal-to-noise ratio.
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Key words:
- icf /
- chemical vapor deposited diamond /
- soft x-ray detector /
- response time /
- rise time
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