Sensors are perhaps the most important and integral components of our modern society.
With global warming and environmental pollution garnering ever-increasing attention, as …

Infrared laser-absorption spectroscopy (IR-LAS) sensors play an important role in
diagnosing and characterizing a wide range of combustion systems. Of all the laser …

Mid-infrared dual-comb spectroscopy has the potential to supplant conventional Fourier-
transform spectroscopy in applications requiring high resolution, accuracy, signal-to-noise …

Dual-comb spectroscopy offers the potential for high accuracy combined with fast data
acquisition. Applications are often limited, however, by the complexity of optical comb …

Remote chemical detection in the atmosphere or some specific space has always been of
great interest in many applications for environmental protection and safety. Laser absorption …

Identification and quantification of trace-gas sources is a major challenge for understanding
and regulating air quality and greenhouse gas emissions. Current approaches provide …

Laser absorption spectroscopy combined with spectral analysis has been extensively
investigated in detection and measurements of gas samples because of their broad …

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

Dual-comb spectroscopy can provide broad spectral bandwidth and high spectral resolution
in a short acquisition time, enabling time-resolved measurements. Specifically, spectroscopy …

We demonstrate a new technique for spatial map** of multiple atmospheric gas species.
This system is based on high-precision dual-comb spectroscopy to a retroreflector mounted …