A highly sensitive trace gas sensor based on Cavity Ring-down Spectroscopy (CRDS)
makes use of a high power, multi-mode Fabry-Perot (FP) semiconductor laser with a broad …

A cavity-enhanced absorption spectroscopy instrument has an optical cavity with two or
more cavity mirrors, one mirror of which having a hole or other aperture for injecting a light …

A system is presented. The system includes an electromagnetic radiation source configured
to generate a mode-matched electromagnetic radiation that irradiates a gas-mixture filled in …

A system is presented. The system includes an electromagnetic radiation source configured
to generate a mode matched electromagnetic radiation that irradiates a gas mixture filled in …

A sampling device comprising a filter to remove particulates greater than about 10 microns,
a dryer active to remove water vapor present in the air sample, a chemical scrubber active to …

Devices and methods for generating a plasma in a liquid are provided. A low-dielectric
material can be placed in contact with the liquid to form an interface a distance from an …

A computing chip may comprise a memory that stores a machine-learning model. an optical
absorption spectroscopy component, and one or more processors operably coupled to the …

Cavity enhanced spectroscopic technologies, typically Cavity Ring Down Spectroscopy
(CRDS) and its variations, are robust technologies for measuring gas phase target molecule …

Method and system in which, in order to determine foreign gases in ethylene with a degree
of purity up to greater than 99%, a sample 2 of the ethylene in a measuring cell 1 is …

(57) ABSTRACT A fluorescence lifetime sensor module comprises an opaque housing
having a first chamber and a second chamber which are separated by a light barrier. An …