Abstract
We report for the first time to our knowledge the experimental achievement of a storage ring free-electron laser (FEL) device dedicated to applications in the IR region. IR FELs were oscillated in the wavelength region of , and the relative linewidth was . The maximum power of the IR FEL transmitted through a vacuum window was approximately , and the intracavity power was approximately . We have already observed an intensive quasi-monochromatic x ray by using FEL Compton backscattering. The results of our study are expected to lead to applications in which an IR FEL and a quasi-monochromatic x ray will be used simultaneously.
© 2009 Optical Society of America
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