In recent times, the need for high-sensitive detection has grown drastically as more and
more applications of molecular sensing are being explored. Cavity ring-down spectroscopy …

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 …

Cavity ring-down spectroscopy (CRDS) is a highly sensitive laser absorption spectroscopic
technique. In this paper, we report the pulsed CRDS study of nitrogen dioxide (NO 2) using …

The spectroscopic features of l-type doublets of the site-specific 15 N-isotopomers of nitrous
oxide (N 2 O) are interesting to study as it would reveal the effect of l-type doubling in …

Over the past few decades, the progress in applications of quantum cascade laser (QCL)
spectroscopy has accelerated with breathtaking way since its discovery in 1994. The unique …

High-resolution ro-vibrational spectroscopic features of nitric oxide (NO) are particularly
interesting because of the unpaired electron and non-zero nuclear spin of the nitrogen atom …

Cavity ring-down spectroscopy (CRDS), one of the most fascinating analytical techniques,
has found widespread applications in a variety of research fields. It is a direct, ultra-sensitive …

We report the direct experimental evidences of l-doublet fine splittings between the parity
doublet e and f sub-states of β-site isotopomer of nitrous oxide (15 N 14 N 16 O) in the (12 2 …

1 Introduction 83 2 Principle of CRDS operation 85 2.1 Sensitivity of CRDS 87 3 Mode
Structure of an optical cavity 88 4 Brief historical overview 91 5 Continuous wave (cw) cavity …