Sustained Saturation in a Free-Electron Laser Oscillator at Perfect Synchronism of an Optical Cavity
Journal Article
·
· Physical Review Letters
The first observation of sustained saturation in a free-electron laser (FEL) oscillator at perfect synchronism of an optical cavity is presented. A simultaneous measurement of FEL power and absolute detuning length of the optical cavity ({delta}L ) has clearly shown that the FEL efficiency becomes maximum at {delta}L=0.0{+-}1 {mu} m , although it has been considered that only a transient state exists at {delta}L=0 due to the well-known laser lethargy effect. The observed efficiency detuning curve is well reproduced by our numerical simulation including a small shot-noise effect.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40204674
- Journal Information:
- Physical Review Letters, Vol. 86, Issue 25; Other Information: DOI: 10.1103/PhysRevLett.86.5707; Othernumber: PRLTAO000086000025005707000001; 010126PRL; PBD: 18 Jun 2001; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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