一种用于生产稀有气体准分子的电池供电的稳定的高能脉冲电子枪
A battery-operated, stabilized, high-energy pulsed electron gun for the production of rare gas excimers
摘要：
本文报道了一种用于稀有气体准分子红外发射光谱实验的新型电子枪的设计。它是基于一个灯丝加热的手段，一包可充电电池浮在高压电源。灯丝电流由反馈电路控制，该反馈电路包括通过光纤与高压去耦的超发光二极管。我们的实验要求电荷注入是脉冲的、恒定的和在时间上稳定的。该电子枪可将能量高达$100\,$ keV的电子的每个脉冲输送几十nC到样品池中。这种新的设计消除了发射电流中的纹波，并确保长达12小时的稳定性能。
英文摘要：
We report on the design of a new type of electron gun to be used for experiments of infrared emission spectroscopy of rare gas excimers. It is based on a filament heated by means of a pack of rechargeable batteries floated atop the high-voltage power supply. The filament current is controlled by a feedback circuit including a superluminescent diode decoupled from the high voltage by means of an optical fiber. Our experiment requires that the charge injection is pulsed and constant and stable in time. This electron gun can deliver several tens of nC per pulse of electrons of energy up to $100\,$keV into the sample cell. This new design eliminates ripples in the emission current and ensures up to 12 hrs of stable performance.
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