Multi-gas detection represents a suitable solution in many applications, such as
environmental and atmospheric monitoring, chemical reaction and industrial process …

We present a comprehensive overview of sensor technology exploiting optical whispering
gallery mode (WGM) resonances. After a short introduction we begin by detailing the …

The challenges presented by the directly reflected field in optical feedback cavity-enhanced
spectroscopy systems serve as substantial obstacles, introducing additional complexity to …

Breath analysis enables rapid, noninvasive diagnostics, as well as long-term monitoring of
human health, through the identification and quantification of exhaled biomarkers. Here, we …

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 …

Trap** a single aerosol particle allows detailed investigation of its fundamental properties
over extended time periods without external interferences. Optical trap** has developed …

Nonlinear optical frequency conversion is one of the most versatile methods to generate
wavelength-tunable laser light in the mid-infrared region. This spectral region is particularly …

Broadband spectroscopy is an invaluable tool for measuring multiple gas-phase species
simultaneously. In this work we review basic techniques, implementations, and current …

We review progress, since publication of the book``Collisional effects on molecular spectra:
Laboratory experiments and models, consequences for applications"(Elsevier, Amsterdam …

Over the past few decades many diagnostics have been developed to study the non-
equilibrium nature of plasma. These developments have given experimentalists the …