Schematic diagram (IMAGE)

National Institutes of Natural Sciences

Schematic diagram

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Fig. 1. (a) Schematic diagram of synchrotron radiation generation by undulators. Time widths of radiation pulses are determined by the spatial broadening of electron bunches. (b) The radiation pulse contains many short waves (wave packets) emitted by individual electrons. In the present study, two undulators are arranged in series to generate pairs of wave packets. Each wave packet oscillates only 10 times in 2 femtoseconds. Time intervals of the wave packet pairs are adjusted by detouring the electron bunches with a magnet between the two undulators.

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