A highly sensitive light-induced thermoelectric spectroscopy (LITES) sensor based on a
multi-pass cell (MPC) with dense spot pattern and a novel quartz tuning fork (QTF) with low …

Combustion involves chemical reactions that are often highly exothermic. Combustion
systems utilize the energy of chemical compounds released during this reactive process for …

The off‐axis integrated cavity output spectroscopy (OA‐ICOS) represents a suitable solution
in many applications with a simple structure and high sensitivity. The off‐axis configuration …

Meeting the demands of sustainable energy economy requires diagnostics of the chemical
processes surrounding future fuels and contemporary combustion applications. Pioneered …

Laser absorption spectroscopy (LAS) tomography yields cross-sectional images of flame
temperature and gas molar concentration in combustions. The total laser absorbance of a …

Injecting radio frequency (RF) white noise to the current driving of the laser can broaden the
laser emission linewidth and efficiently suppress cavity-mode noise in off-axis integrated …

In this article, a compact dual-laser sensor based on an off-axis integrated-cavity output
spectroscopy and time-division multiplexing method is reported. A complete dual-channel …

A regularization approach of iterative algorithms was proposed to reconstruct the two-
dimensional temperature and concentration distributions based on linear multispectral …

Residual cavity mode noise and weak output signal are the main factors that restrict the
detection performance of off-axis integrated cavity output spectroscopy (OA-ICOS). In order …

Absorption cross-sections were measured in the vacuum ultraviolet (9.92–5.17 eV) using
differential absorption spectroscopy for a series of six-membered hydrocarbon rings …