The free-electron laser as a laboratory instrument
Authors:
- J.F. SchmergeJSJ.F. Schmerge
- J.W. LewellenJLJ.W. Lewellen
- Y.C. HuangYHY.C. Huang
- J. FeinsteinJFJ. Feinstein
- R.H. PantellRPR.H. Pantell
- 1 June 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 31 (6) , 1166-1171
Abstract
[[abstract]]A free-electron laser (FEL) with a component cost, including the accelerator, of approximately $300k, has lased at a wavelength of 85 mu m with approximate to 12 ps micropulse duration, achieving a power growth four orders of magnitude greater than the coherent spontaneous emission, and with a small-signal, single-pass gain of 21%, The price is about an order of magnitude less than other FELs for the far infrared, and transforms the device from the role of a national facility to that of a laboratory instrument, Cost reduction was achieved by employing several novel features: a microwave cavity gun for the accelerator, a staggered-array wiggler, and an on-axis hole in the upstream cavity mirror for electron ingress and radiation egress.[[fileno]]2030114010009[[department]]電機工程學Keywords
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