“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 13581 |
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An amplifier Free electron Laser (FEL) including two
orthogonal polarized undulators with different periods and
field intensities is able to emit two color radiations with dif-ferent frequency and polarization while the total length of device does not change respect to usual single color FELs. The wavelengths of two different colors can be changed by choosing different periods, while variation in the magnetic strengths can be used to modify the gain lengths and satura-tion powers
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