Low-Voltage Infrared Free-Electron Lasers Based on Gyrotron-Powered RF Wigglers
Interim rept. Jul 1995-Jul 1996
NAVAL RESEARCH LAB WASHINGTON DC
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Designs are presented for infrared free-electron lasers FELs with gyrotron-powered electromagnetic wigglers and relatively low-voltage electron beams. The use of an electromagnetic wiggler formed by a quasi-optical gyrotron, where the radiation is coupled into a corrugated waveguide, has the potential for substantial increases of FEL gain compared to an open mirror system. Designs for Proof-of-Principle, low-voltage infrared FEL experiments based on both radio-frequency RF linear accelerator and electrostatic technology are presented, together with point designs for portable systems covering the infrared windows in the atmosphere.
- Lasers and Masers