ANGULAR SPECTRUM PROPERTY OF SPONTANEOUS EMISSION IN A TWO-DIMENSIONAL UNDULATOR FREE-ELECTRON LASER

Peng Liangfu; Yang Zhonghai; Liu Shenggang

Volume 15 Issue 5

Sep. 1993

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Article Navigation > Journal of Electronics & Information Technology > 1993 > 15(5): 493-499

Peng Liangfu, Yang Zhonghai, Liu Shenggang. ANGULAR SPECTRUM PROPERTY OF SPONTANEOUS EMISSION IN A TWO-DIMENSIONAL UNDULATOR FREE-ELECTRON LASER[J]. Journal of Electronics & Information Technology, 1993, 15(5): 493-499.

Citation:

Peng Liangfu, Yang Zhonghai, Liu Shenggang. ANGULAR SPECTRUM PROPERTY OF SPONTANEOUS EMISSION IN A TWO-DIMENSIONAL UNDULATOR FREE-ELECTRON LASER[J]. Journal of Electronics & Information Technology, 1993, 15(5): 493-499.

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ANGULAR SPECTRUM PROPERTY OF SPONTANEOUS EMISSION IN A TWO-DIMENSIONAL UNDULATOR FREE-ELECTRON LASER

Received Date: 1992-04-21
Rev Recd Date: 1992-07-23
Publish Date: 1993-09-19

Abstract

Abstract

The angular spectrum of spontaneous emission in a wo-dimensional undulator free-electron laser is analyzed theoretically. Numerical calcularion shows that the s-th harmonic spontaneous emission power density can be greatly enhanced by using a two-dimensional undulator, for which l=s. so the harmonic number can be selected by selecting l. Therefore, the higher harmonic operation of a free-electon laser can be realized selectively.

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References

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