anomalously polarized Raman band

https://doi.org/10.1351/goldbook.08569
Raman band with a depolarization ratio greater than 0.75, as is frequently observed in surface-enhanced resonance Raman spectroscopy.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 738 [Terms] [Paper]