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Stray light rejection in rotational coherent anti-Stokes Raman spectroscopy by use of a sodium-seeded flame

Bood, Joakim LU ; Bengtsson, Per Erik LU and Aldén, Marcus LU (1998) In Applied Optics 37(36). p.8392-8396
Abstract

A common experimental problem with rotational coherent anti-Stokes Raman spectroscopy (CARS) is undesired spectral interference that is due to stray light from the primary laser beams. Also, for the most developed approach, dual-broadband rotational CARS, practical measurements often suffer from stray light interference from the narrow-band laser, inasmuch as the CARS signal is produced inherently in the spectral vicinity of the narrow-band laser beam. An optical filter does not provide a sufficiently sharp transmission profile, thus leading to signal loss and spectral distortion of the rotational CARS signal. An atomic filter consisting of a sodium-seeded flame is presented here as a solution to the problem, and its usefulness was... (More)

A common experimental problem with rotational coherent anti-Stokes Raman spectroscopy (CARS) is undesired spectral interference that is due to stray light from the primary laser beams. Also, for the most developed approach, dual-broadband rotational CARS, practical measurements often suffer from stray light interference from the narrow-band laser, inasmuch as the CARS signal is produced inherently in the spectral vicinity of the narrow-band laser beam. An optical filter does not provide a sufficiently sharp transmission profile, thus leading to signal loss and spectral distortion of the rotational CARS signal. An atomic filter consisting of a sodium-seeded flame is presented here as a solution to the problem, and its usefulness was demonstrated in dual-broadband rotational CARS experiments. © 1998 Optical Society of America.

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Contribution to journal
publication status
published
in
Applied Optics
volume
37
issue
36
pages
5 pages
publisher
OSA
external identifiers
  • Scopus:0032553821
ISSN
0003-6935
language
English
LU publication?
yes
id
4aace247-71e9-4e04-8ce3-6c75a5376b36
date added to LUP
2016-06-29 16:58:34
date last changed
2016-07-01 13:21:13
@misc{4aace247-71e9-4e04-8ce3-6c75a5376b36,
  abstract     = {<p>A common experimental problem with rotational coherent anti-Stokes Raman spectroscopy (CARS) is undesired spectral interference that is due to stray light from the primary laser beams. Also, for the most developed approach, dual-broadband rotational CARS, practical measurements often suffer from stray light interference from the narrow-band laser, inasmuch as the CARS signal is produced inherently in the spectral vicinity of the narrow-band laser beam. An optical filter does not provide a sufficiently sharp transmission profile, thus leading to signal loss and spectral distortion of the rotational CARS signal. An atomic filter consisting of a sodium-seeded flame is presented here as a solution to the problem, and its usefulness was demonstrated in dual-broadband rotational CARS experiments. © 1998 Optical Society of America.</p>},
  author       = {Bood, Joakim and Bengtsson, Per Erik and Aldén, Marcus},
  issn         = {0003-6935},
  language     = {eng},
  number       = {36},
  pages        = {8392--8396},
  publisher    = {ARRAY(0x8fc5f70)},
  series       = {Applied Optics},
  title        = {Stray light rejection in rotational coherent anti-Stokes Raman spectroscopy by use of a sodium-seeded flame},
  volume       = {37},
  year         = {1998},
}