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X-ray diffraction from the ripple structures created by femtosecond laser pulses

In English

Författare

Summary, in English

In this paper, we present the investigation and characterization of the laser-induced surface structure on an asymmetrically cut InSb crystal. We describe diffraction from the ripple surface and present a theoretical model that can be used to simulate X-ray energy scans. The asymmetrically cut InSb sample was irradiated with short-pulse radiation centred at 800 nm, with fluences ranging from 10 to 80 mJ/cm(2). The irradiated sample surface profile was investigated using optical and atomic force microscopy. We have investigated how laser-induced ripples influence the possibility of studying repetitive melting of solids using X-ray diffraction. The main effects arise from variations in local asymmetry angles, which reduce the attenuation length and increase the X-ray diffraction efficiency.

Publiceringsår

2010

Språk

Engelska

Sidor

105-112

Publikation/Tidskrift/Serie

Applied Physics A: Materials Science & Processing

Volym

100

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Natural Sciences
  • Atom and Molecular Physics and Optics
  • Physical Sciences

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1432-0630