Obtaining absorption spectra from single textile fibers using a liquid crystal tunable filter microspectrophotometer.

Abstract:

:Visible absorption spectra were recorded for single textile fibers using a microspectrophotometer based on a liquid crystal tunable filter. Spectra compared well with results from a conventional instrument. Some advantages include very fast and simple sample preparation and easy comparison of multiple fibers at the same time. Advantages over extraction-dependent methods include the fact that it is applicable to extremely small sample size, not susceptible to artifacts induced by variable extraction efficiencies, non-destructive, and much easier. Because an immense amount of information is collected in one experiment, good signal averaging is possible, along with multiple comparisons for each data set. The addition of a camera, computer, and liquid crystal tunable filter can transform a standard microscope into a microspectrophotometer capable of performing similar work.

journal_name

Forensic Sci Int

authors

Markstrom LJ,Mabbott GA

doi

10.1016/j.forsciint.2011.01.014

subject

Has Abstract

pub_date

2011-06-15 00:00:00

pages

108-12

issue

1-3

eissn

0379-0738

issn

1872-6283

pii

S0379-0738(11)00027-2

journal_volume

209

pub_type

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