Table 1. Main parameters used for simulations.

	Parameter	Value	Unit
Bunch	Average energy	1.52	GeV
	Slice energy spread	0.46	MeV
	Normalized emittance	1.43	mm mrad
	Total charge	500	pC
	Bunch length (FWHM)	0.26	mm
DLW	Relative permittivity	3.75
	Inner diameter	0.4	mm
	Outer diameter	0.5	mm
	Waveguide length	100	mm
Chicane	R 56	14.82	mm
Undulator	Undulator parameter, K	2.08
	Period, λu	23.5	mm
	Undulator length	3	m