x射线区域的自由电子激光器:量子体制

Topical Meeting on Free Electron Generation of Extreme Ultraviolet Coherent Radiation Pub Date : 1900-01-01 DOI:10.1364/feg.1983.tua7

J. Gea-Banacloche, G. Moore, M. Scully

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摘要

自由电子激光器的量子态定义为:由于有限的相互作用时间，电子在发射光子时损失的能量大于均匀展宽。我们预计，由光波(而不是永磁体摆动器)泵浦的软x射线自由电子激光器将在这种状态下工作。这种情况下的小信号增益由一个明确的量子力学表达式给出。

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Free-Electron Lasers in the X-Ray Region: The Quantum Regime

The quantum regime for a free-electron laser is defined as that in which the energy lost by an electron upon emission of a photon is larger than the homogeneous broadening due to the finite interaction time. We anticipate that soft x-ray free-electron lasers pumped by an optical wave (rather than a permanent-magnet wiggler), will operate in that regime. The small-signal gain in this regime is given by an expression which is explicitly quantum-mechanical.

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Topical Meeting on Free Electron Generation of Extreme Ultraviolet Coherent Radiation

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