inverse spatially offset Raman spectroscopy

https://doi.org/10.1351/goldbook.08626
Variant of spatially offset Raman spectroscopy in which a sample is illuminated with a ring of laser light and the Raman scattering is collected from the centre of the ring.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 752 [Terms] [Paper]