Beam-induced damage on diffractive hard X-ray optics.
The issue of beam-induced damage on diffractive hard X-ray optics is addressed. For this purpose a systematic study on the radiation damage induced by a high-power X-ray beam is carried out in both ambient and inert atmospheres. Diffraction gratings fabricated by three different techniques are considered: electroplated Au gratings both with and without the polymer mold, and Ir-coated Si gratings. The beam-induced damage is monitored by X-ray diffraction and evaluated using scanning electron microscopy.
Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland. kim.nygard@psi.ch
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K
Nygård
S
S
Gorelick
J
J
Vila-Comamala
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E
Färm
A
A
Bergamaschi
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A
Cervellino
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F
Gozzo
B D
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Patterson
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M
Ritala
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David