High-sensitivity dual-comb and cross-comb spectroscopy across the infrared using a widely tunable and free-running optical parametric oscillator

CP Bauer, ZA Bejm, MK Bollier, J Pupeikis… - Nature …, 2024 - nature.com
Dual-comb spectroscopy (DCS) enables high-resolution measurements at high speeds
without the trade-off between resolution and update rate inherent to mechanical delay …

Fast rate dual-comb spectrometer in the water-transparent 7.5–11.5 µm region

L Moretti, M Walsh, N Abualsaud, D Gatti, M Lamperti… - Optics Letters, 2024 - opg.optica.org
We introduce a dual-comb spectrometer based on erbium fiber oscillators at 250? MHz that
operates in the 7.5–11.5? µm spectral range over optical bandwidths up to 9? THz with a …

Development of a cavity-enhanced Fourier transform spectrometer based on optical frequency combs for laboratory astrophysics

R Dubroeucq - 2023 - theses.hal.science
This thesis is set in the context of the laboratory astrophysics experiments conducted at the
Institute of Physics of Rennes, which try to reproduce the low temperature conditions (~ 10 …

[PDF][PDF] Single-Cavity Dual-Comb Optical Parametric Oscillators and their Application to High-Sensitivity Absorption Spectroscopy

CP BAUER - 2024 - research-collection.ethz.ch
The monitoring of greenhouse gases and air pollutants [1], but also medical diagnosis
based on breath analysis [2] are examples of global challenges addressed by optical …