Phase errors and their effect on undulator radiation properties

The Properties of Undulator Radiation

A new generation of synchrotron radiation light sources covering the VUV, soft x-ray, and hard x-ray speclrai regions is under construction in several countries. These sources are designed specifically to use periodic magnetic undulators and low-emittance electron or positron beams to produce high-brightness near-diffraction-limited synchrotron radiation beams. Some of the novel features of the...

Phase Slip in an Undulator with Pole and Bpm Errors

A statistical analysis of a corrected electron trajectory through a planar FEL undulator is used to predict the optimal beam position monitor (BPM) spacing. The undulator is composed of modular sections, each containing many dipoles with random field and roll angle errors. Located between each section are inaccurate BPMs, steering correctors, and possibly quadrupole magnets. An analytical formu...

Undulator Radiation - First Results

architecture and engineering of nanoscale sculptured thin films and determination of their properties

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the effect of efl teachers beliefs about teaching reading strategies on their students success and motivation in reading comprehension

previous studies regarding teachers’ beliefs have revealed that teachers’ beliefs have influence on their classroom practices. the current study aimed to investigate the effect of teachers’ beliefs about teaching reading strategies on students’ motivation and success in reading comprehension in the context of english teaching as a foreign language in high schools of mazandaran, iran. data were ...