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Technical specifications

last modified 08-02-2008 16:14

BM8 GENERAL PURPOSE ITALIAN LINE FOR DIFFRACTION AND ABSORPTION
GILDA CRG

operational

Sept. 1994

scientific applications

XAS, Surface XAS, WAXS, AWAXS

source characteristics	bending magnet ec = 19.2 keV
	source size 0.187 x 0.128 mm²(HxV) FWHM
	source divergence 115 x 5 µrad² (HxV) FWHM
	divergence for photon source(ec) dF =3.6 mrad, sR=50 µrad
	peak brightness 7·10¹³ ph s^-1mrad^-2 (0.1% bw, 0.1A)
	power (from 3.6 mrad of the source) 225 W FWHM
	power density at 25 m 0.83 Wmm^-2 FWHM
	beam size at 25m 90 x 3 mm²(HxV) FWHM
	total horiz. ang. acceptance 3.6 mrad

optics	optical elements: mirror 1* double-crystal mono. mirror 2*
	distance from source: 25 m 28.5 m 32 m
	focusing type: vert. coll. horiz. foc. vert. foc.
	*mirrors only used for low energy set-up (5-28 keV)
	beam size at sample: 1 x 2 mm²(HxV) for 5 - 28 keV
	1 x 2 mm²(HxV) for 28 - 50 keV
	spectral range: 5 - 85 keV
	energy resolution DE/E: 10^-5 - 10^-4
	flux at sample: 10¹⁰ - 10¹¹ ph s^-1 (0.01%bw, 0.1A)