γ速调管的一维模型
One-dimensional Model of a Gamma Klystron
摘要：
提出了一种新的相干γ射线放大方案。关键的元素是晶体波动器-单晶与周期性弯曲的晶面暴露于高能束的带电粒子进行通道内的晶体。该方案由两个这样的晶体由真空间隙分开。光束依次通过晶体。粒子在晶体内部按照晶面的周期性形状进行波荡器运动。平行于光束通过晶体的伽马射线由于与晶体内的粒子相互作用而被放大。“伽马速调管”一词之所以被提出来是因为它的工作原理与光学速调管相似。一个更简单的单晶计划被认为是为了比较。它示出的γ射线放大速调管方案中可以达到在相当低的粒子密度比在单晶方案，只要晶体之间的间隙是足够大的。
英文摘要：
A new scheme for amplification of coherent gamma rays is proposed. The key elements are crystalline undulators - single crystals with periodically bent crystallographic planes exposed to a high energy beam of charged particles undergoing channeling inside the crystals. The scheme consists of two such crystals separated by a vacuum gap. The beam passes the crystals successively. The particles perform undulator motion inside the crystals following the periodic shape of the crystallographic planes. Gamma rays passing the crystals parallel to the beam get amplified due to interaction with the particles inside the crystals. The term `gamma klystron' is proposed for the scheme because its operational principles are similar to those of the optical klystron. A more simple one-crystal scheme is considered as well for the sake of comparison. It is shown that the gamma ray amplification in the klystron scheme can be reached at considerably lower particle densities than in the one-crystal scheme, provided that the gap between the crystals is sufficiently large.
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