Physical review letters
Cavity-Enhanced Doppler-Broadening Thermometry via All-Frequency Metrology.
Qi Huang, Jin Wang, Rui-Heng Yin, Yan Tan, Cun-Feng Cheng, Yu R Sun, An-Wen Liu, Shui-Ming Hu
Published: 202510.1103/cy84-v69x
Abstract
We demonstrate Doppler broadening thermometry (DBT) with all-frequency-domain measurements. Using the R(10) transition of CO at 1567 nm in a high-finesse optical cavity (mode width 0.6 kHz), we resolve Doppler profiles with high signal-to-noise ratio…
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