Infrared microspectroscopy of fibres

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter is a guide to the practices associated with infrared microspectroscopy as applied to single textile fibres rather than an overview of the theory of infrared spectroscopy or Fourier transform techniques. It describes various sources of photometric inaccuracy arising from the specimen itself and from the instrument used with particular reference to infrared microspectroscopical analysis of textile fibres. The combination of refraction, scattering, rapid fluctuations in refractive index across the spectral range and cross-sectional shape of fibres can also have an impact upon spectral data. Fibers with a circular cross-section function like a cylindrical lens of short focal length. Infrared microspectroscopy is a cornerstone technique in forensic fibre comparison. It is a very versatile technique that allows the composition of an entire fibre to be analysed by using transmission measurements or its surface composition to be analysed by using attenuated total reflectance measurements.
Original languageEnglish
Title of host publicationForensic Examination of Fibres
Subtitle of host publicationThird Edition
EditorsJames Robertson, Claude Roux, Kenneth G Wiggins
Place of Publication Boca Raton
PublisherTaylor and Francis Group
Pages245-288
Number of pages44
ISBN (Electronic)9781315156583
ISBN (Print)9781439828649
DOIs
Publication statusPublished - 1 Dec 2017

Keywords

  • infrared microspectroscopy
  • single textile fibres
  • fibres
  • Fourier transform techniques

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