Peak assignment for Raman spectrum of ambient air using a hollow-core anti-resonant fiber?

14 September 2021 0 7K Report

Hi, everyone!

I obtained the Raman spectrum of ambient air in the laboratory with a hollow-core anti-resonant fiber, but I cannot identify the peak at 731 cm-1 (O2 is recognized at 1555 cm-1). Could you help me with this issue?

Many thanks!

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