The synchrotron light emission is a non-thermal radiation source covering a large energy domain from IR to X-ray energies, with a time structure determined by the length and shape of the stored bunches. With suitable infrared detectors, the pulsed emission can be used to perform spectroscopic experiments at high time and spatial resolution. However, fast infrared detectors can be also applied to investigate the physical structure of the stored particles. We present here the first characterization of the synchrotron light emission at DAΦNE using detectors optimized in the mid-IR domain with a sub-ns time resolution. Experiments have been performed using the infrared SINBAD beamline, characterizing the emission of the 105 bunches stored in the electron ring of this e+-e- collider. With both uncooled photoconductive and photovoltaic infrared detectors optimized to work at a wavelength of 10.6 μm we resolved the infrared temporal emission of the electron bunches structure at DAΦNE characterized by bunches separated of 2.7 ns with a rise time of 176 ps and a fall time of 660 ps.
Alessio et al. (Fri,) studied this question.