Simulating the trapped-particle instability in the Boeing 1 kW FEL
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The Boeing Corporation Defense & Space Group has designed a visible-to-infrared wavelength Free Electron Laser (FEL). This high-average-power EL will yield I kW average optical power at A = 0.6 VLm wavelength. This paper focuses on the trapped-particle instability and ways of minimizing its effects in the Boeing FEL. Boeing's plan is to eliminate the instability in order to narrow the power spectrum for better propagation through a transmissive window in the atmosphere.
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