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Ray tracing - ESRF

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mλ = d (sin θ in + sin θ out )<br />

or<br />

k out = k in + G ||<br />

Gratings: Geometrical Model<br />

k in<br />

G || =m (2π/d) u ||<br />

Manuel Sánchez del Río -11-<br />

Computer simulations for X-ray optics (<strong>Ray</strong>-<strong>tracing</strong> and More)<br />

LSBarcelona, 13 Dec 1996<br />

θ in<br />

[k 1 ,k 3 ] k 1<br />

k 3<br />

k 2<br />

slit<br />

θ out k out<br />

m=2<br />

m=1<br />

m=0<br />

m=-1<br />

m=-2<br />

EUROPEAN SYNCHROTRON RADIATION FACILITY

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