Author/Authors :
Kato، نويسنده , , R and Okita، نويسنده , , T and Kumar، نويسنده , , R.A.V and Igo، نويسنده , , T and Konishi، نويسنده , , T and Kuwahara، نويسنده , , M and Fujimoto، نويسنده , , M and Mitani، نويسنده , , S and Okuda، نويسنده , , S and Suemine، نويسنده , , S and Isoyama، نويسنده , , G، نويسنده ,
Abstract :
We are conducting experiments to generate self-amplified spontaneous emission (SASE) in the far-infrared region and to measure its characteristics, using a single bunch electron beam accelerated with the L-band linac at ISIR, Osaka University. We have measured the wavelength spectra of SASE in the wavelength region between 80 and 180 μm using a grating monochromator and a Ge : Ga detector. The measured spectral widths of the fundamental peak are slightly larger than those predicted by the one-dimensional model. We have also observed the second harmonic peak of SASE.
Keywords :
RF linac , Free-electron laser(s) , SASE , High gain , Far-infrared
