Temporal Modulation Transfer Function (TMTF) at Cathode-mesh Region of Streak Tube

Li Jitian

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Temporal Modulation Transfer Function (TMTF) at Cathode-mesh Region of Streak Tube

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- Temporal Modulation Transfer Function (TMTF) at Cathode-mesh Region of Streak Tube
- Optics and Precision Engineering Vol. 0, Issue 5, Pages: 71-80(1985)
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- Published Online：15 October 1985，
  
  Published：15 October 1985
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李集田. 条纹管阴栅空间时间传递函数[J]. 光学精密工程, 1985,(5): 71-80

Li Jitian. Temporal Modulation Transfer Function (TMTF) at Cathode-mesh Region of Streak Tube[J]. Editorial Office of Optics and Precision Engineering, 1985,(5): 71-80
李集田. 条纹管阴栅空间时间传递函数[J]. 光学精密工程, 1985,(5): 71-80 DOI：

Li Jitian. Temporal Modulation Transfer Function (TMTF) at Cathode-mesh Region of Streak Tube[J]. Editorial Office of Optics and Precision Engineering, 1985,(5): 71-80 DOI：

摘要

根据条纹管阴栅空间为均匀电场这一特点

从电子运动方程出发

首先求出单能量光电子分布情况下在阴栅空间的渡越时间差

进而求出其时间扩展函数和时间调制传递函数曲解析表达式;然后求出光电子具有Maxwell分布、余弦分布和Beta分布下的时间调制传递函数的解析表达式;最后给出调制度为5%时的极限时间分辨率表达式

并给出相应几组时间调制传递函数曲线。

Abstract

Suppose that Cathode-mesh region of streak tube possesses the even electric field. Time difference of electron transmission at this region can be derived from electron motion equation for single energy distribution of photoelectrons. Then analytical formulas of temporal spread function and

TMTF

are derived. The analytical formulas of

TMTF

are obtained one after another for electron energy Maxwell

Cosine and Beta distribution. Finally the formulas of limit temporal resolution Corresponding with depth of modulation of 5% and the curves of

TMTF

are given.

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