Stray light suppression in spectroscopy using periodic shadowing

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Abstract

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. (C) 2014 Optical Society of America

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  • Atom and Molecular Physics and Optics
Original languageEnglish
Pages (from-to)7711-7721
JournalOptics Express
Volume22
Issue number7
Publication statusPublished - 2014
Publication categoryResearch
Peer-reviewedYes