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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 7 — Apr. 7, 2014
  • pp: 7711–7721

Stray light suppression in spectroscopy using periodic shadowing

Elias Kristensson, Joakim Bood, Marcus Alden, Emil Nordström, Jiajian Zhu, Sven Huldt, Per-Erik Bengtsson, Hampus Nilsson, Edouard Berrocal, and Andreas Ehn  »View Author Affiliations

Optics Express, Vol. 22, Issue 7, pp. 7711-7721 (2014)

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It is well known that spectroscopic measurements suffer from an interference known as stray light, causing spectral distortion that reduces measurement accuracy. In severe situations, stray light may even obscure the existence of spectral lines. Here a novel general method is presented, named Periodic Shadowing, that enables effective stray light elimination in spectroscopy and experimental results are provided to demonstrate its capabilities and versatility. Besides its efficiency, implementing it in a spectroscopic arrangement comes at virtually no added experimental complexity.

© 2014 Optical Society of America

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(170.5660) Medical optics and biotechnology : Raman spectroscopy
(300.1030) Spectroscopy : Absorption
(300.2140) Spectroscopy : Emission
(290.2648) Scattering : Stray light

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: January 24, 2014
Revised Manuscript: February 17, 2014
Manuscript Accepted: February 17, 2014
Published: March 26, 2014

Elias Kristensson, Joakim Bood, Marcus Alden, Emil Nordström, Jiajian Zhu, Sven Huldt, Per-Erik Bengtsson, Hampus Nilsson, Edouard Berrocal, and Andreas Ehn, "Stray light suppression in spectroscopy using periodic shadowing," Opt. Express 22, 7711-7721 (2014)

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