Open AccessStray light suppression in spectroscopy using periodic shadowing
Author(s) -
Elias Kristensson,
Joakim Bood,
Marcus Aldén,
Emil Nordström,
Jiajian Zhu,
S. Huldt,
Per-Erik Bengtsson,
Hampus Nilsson,
Edouard Berrocal,
Andreas Ehn
Publication year - 2014
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.22.007711
Subject(s) - stray light , optics , spectroscopy , interference (communication) , distortion (music) , physics , computer science , optoelectronics , telecommunications , amplifier , channel (broadcasting) , cmos , quantum mechanics
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.