Optical transition radiation (OTR) has been widely studied as a diagnostic means of electron beams in mid and high energy region.

光学渡越辐射(otr)作为中高能段束流诊断方法，已被广泛地研究。

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The method of measuring the energy spectrum of a high current and short pulse beam using optical transition radiation is presented in the paper.

论述了用光学渡越辐射对强流短脉冲束团的能谱进行测量的理论和方法。

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Due Optical Transition Radiation(OTR) is produced by the hot electrons transport through solid targets, region of OTR is have lager radiation angle and optical intensity distribution.

光学渡越辐射（OTR）测量结果显示：OTR是由于超热电子输运穿越固体靶所致，而辐射区域呈圆盘状、有发散角、有光强分布；

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