Precision Measurements of 14N 162O Using a Comb-Based Fourier Transform Spectrometer at 7.8 µm

• DOI: 10.1364/cleo_si.2021.sm1c.4
• Publication Date: 2021-08-17T19:40:53Z
• Authors: Adrian Hjältén; Matthias Germann; Karol Krzempek; Arkadiusz Hudziko...; Aleksander Głuszek; Dorota Tomaszewska; Grzegorz Soboń; Aleksandra Foltyn...
• Keywords: 01 natural sciences; 0105 earth and related environmental sciences

Using a compact fiber-based difference frequency generation comb and a Fourier transform spectrometer we record spectra of the N2O ν1 band at 1285 cm-1 in the Doppler limit. Fitting Gaussian line shapes to the individual absorption lines yields center frequencies with <200 kHz average precision.