Cavity ring-down spectroscopy (CRDS), first pioneered in 1988 by O'Keefe and Deacon, 1
has evolved into a newgeneration, precision spectroscopy in recent years and subsequently …

Cavity ring-down spectroscopy (CRDS) is a direct quantitative absorption technique that
utilizes an enhanced light-matter interaction length inside a high-finesse optical resonator …

Accurate and spectroscopic measurements of molecular transition frequencies are
increasingly being employed in a variety of rigorous tests of physics, including the validity of …

Laser-based primary thermometry was initiated almost 15 years ago by the proposal to
determine the absolute temperature of a gas at thermodynamic equilibrium through the …

Frequency combs have made optical metrology accessible to hundreds of laboratories
worldwide and they have set new benchmarks in multi-species trace gas sensing for …

The (30012)←(00001) band of 12 C 16 O 2 in the 1.6 μm region is used for satellite
observation of carbon dioxide in the Earth's atmosphere. Here, we report a Doppler-free …

New opportunities due to the advancements in the techniques and methods of broadband
resonator spectroscopy in the millimeter and submillimeter range (also known as the …

A step forward in Doppler-broadening thermometry is demonstrated using a comb-assisted
cavity-ring-down spectroscopic approach applied to an isolated near-infrared line of carbon …

We present accurate measurements of the quadrupole S (3) and S (4) transitions of the D 2
2− 0 band. Self-perturbed spectra were collected in a wide pressure range with a cavity ring …

This article presents an accurate measurement of line parameters for the P-branch of
(30012)←(00001) 12 C 16 O 2 band with rotational quantum number extending to-72. The …