Spatial-heterodyne spectrometer for transmission-Raman observations | Zendy

Michael J. Foster | Zendy; Jonathan Storey | Zendy; Mark A. Zentile | Zendy

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Spatial-heterodyne spectrometer for transmission-Raman observations

Author(s) -

Michael J. Foster,

Jonathan Storey,

Mark A. Zentile

Publication year - 2017

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.25.001598

Subject(s) - spectrometer , optics , heterodyne (poetry) , raman spectroscopy , materials science , aperture (computer memory) , transmission (telecommunications) , physics , telecommunications , computer science , acoustics

A new transmission Raman spectrometer has been developed using a spatial heterodyne spectrometer (SHS), taking advantage of the high etendue inherent in this class of spectrometer to maximize the light collected from the target. The system has been tested against paracetamol tablet samples. The instrument has been shown to accept light from 0.05 mm up to a 3 mm core diameter fibre bundle with a numerical aperture of 0.22, whilst no degradation in resolution is observed.

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