ES multi-channel signal system upgrade reformation
- 化学化工－已发表论文 
一种电子能谱仪多通道数据收集系统升级方案。在SSA(球扇型能量分析器)出口处以多通道板或多只电子倍增器代替单只倍增器,信号经过多路前置放大器后进入电脑,经移位合成后输出所需谱图,其灵敏度为原信号的多倍且分辨率有所提高。It presents one upgrade program about multi-channel collection system for an electron spectroscopy (ES). The single electron multiplier is replaced by a multi-channel plate or several electron multiplier at the output plane of sphere-shell analyzer (SSA). The signals are sent to computer after amplified by the multi-channel preamplifier, and are added together with appropriate peak shift. Then we can get desired spectrum, which has significantly improved sensibility and relatively higher resolution.