[HTML][HTML] Absolute frequency metrology of buffer-gas-cooled molecular spectra at 1 kHz accuracy level

R Aiello, V Di Sarno, MG Delli Santi, M De Rosa… - Nature …, 2022 - nature.com
By reducing both the internal and translational temperature of any species down to a few
kelvins, the buffer-gas-cooling (BGC) technique has the potential to dramatically improve the …

Absolute frequency referencing in the long wave infrared using a quantum cascade laser frequency comb

KN Komagata, M Gianella, P Jouy, F Kapsalidis… - Optics …, 2022 - opg.optica.org
Optical frequency combs (OFCs) based on quantum cascade lasers (QCLs) have
transformed mid-infrared spectroscopy. However, QCL-OFCs have not yet been exploited to …

Synchronous achievement of laser frequency stabilization and tunability via modulation transfer spectroscopy on the rubidium D1 line

W Zhao, X Zhou, J Shang, X Li, M Xiong, L Zhang… - Optics …, 2025 - Elsevier
Abstract In the Spin Exchange Relaxation Free (SERF) magnetometer, the laser frequency
must be stabilized at the alkali D 1 line and tunable within a range of several gigahertz …

Integration and thermal management of multiwavelength distributed feedback quantum cascade lasers

P Gong, Y Wang, Z Er, L Xie - Microwave and Optical …, 2023 - Wiley Online Library
Integration of multiwavelength distributed feedback quantum cascade lasers (QCLs) in C‐
mount packages is demonstrated in this paper, which is applicable to portable gas sensors …

Lamb-dip ro-vibrational spectroscopy of buffer-gas-cooled acetylene

R Aiello, MGD Santi, V Di Sarno… - Journal of Physics …, 2023 - iopscience.iop.org
We present an original opto-mechanical scheme which, effectively coupling a Lamb-dip
saturated-absorption cavity ring-down spectrometer to a buffer-gas-cooling (BGC) source …

High-resolution spectroscopy by optical frequency combs

E VICENTINI - 2020 - politesi.polimi.it
This doctoral dissertation presents different approaches to exploit optical frequency comb
sources for high precision and broadband spectroscopy. In particular, a comb assisted sub …