The technical specifications and the evaluation of the remote operation of the open-path,
tunable diode laser absorption spectroscopic (TDLAS) instrument are presented. The …

Sensors for quantitative monitoring of greenhouse gases from high-emission facilities, such
as wastewater treatment and industrial plants, are becoming essential to enforce regulatory …

Current global warming and climate change under the greenhouse effect call for a thorough
understanding of the spatial distribution of greenhouse gases in different atmospheric …

The urgent need to mitigate greenhouse gas (GHG) emissions in agriculture has prompted
the development of certification systems aimed at promoting sustainable and low carbon …

We present a differential laser absorption spectroscopy (DLAS) system operating at 1550
nm for rapid and sensitive gas concentration measurements. A dual-wavelength toggling …

ABSTRACT A method to measure long-range distances (> 100 m) using a continuous-wave
laser is presented. A continuous-wave laser beam at a wavelength in resonance with the …

The monitoring of the Volatile Organic Compounds (VOCs) in the atmosphere is of great
significance for reducing chemical pollution, warning of fires, and improving air quality …

Real-time gas sensing based on wavelength modulation spectroscopy (WMS) has been
widely adopted for several gas sensing applications. It is attractive for its accurate, non …

The high-resolution emission spectra of a GaN-based semiconductor laser were utilized to
investigate the external differential quantum efficiency variation with temperature and …

A 3D camera based on laser light absorption of atmospheric oxygen at 761? nm is
presented. The camera uses a current-tunable single frequency distributed feedback laser …