Gain enhancement in a free electron laser by two-stream instability

Mordechai Botton*, Amiram Ron

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


The gain of an electromagnetic wave in a free electron laser is calculated. It is demonstrated that when the electron beam develops instabilities, this gain can be enhanced. Calculations for the case of the two-stream instability show that the growth rate is more than seven times larger and the gain per pass can be increased by more than two orders of magnitudes.

Original languageAmerican English
Pages (from-to)6583-6585
Number of pages3
JournalJournal of Applied Physics
Issue number10
StatePublished - 1990
Externally publishedYes


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