Laser absorption spectroscopy (LAS) has been rapidly developed and widely applied to
combustion diagnosis in recent decades. As a cost-effective tool for measuring multiple …

Recent advances in laser absorption and shock tube methodologies for studies of
combustion chemistry are reviewed. First the principles of shock tube operation are …

A self-calibration fiber-optic photoacoustic (PA) gas analyzer based on 2 f/1 f wavelength
modulation spectroscopy (WMS) is proposed, which utilizes gas and solid multipass …

Laser diagnostic techniques play a large and growing role in combustion research and
development. Here we highlight three areas where quantitative sensing based on laser …

A portable laser sensor for trace ammonia (NH 3) is developed based on near-infrared laser
absorption spectroscopy. Tunable diode laser absorption spectroscopy in conjunction with …

The design and use of two-color tunable diode laser (TDL) absorption sensors for
measurements of temperature and H 2 O in a rotating detonation engine (RDE) are …

Variations in injection-current waveform are examined using diplexed radio-frequency
modulation with continuous-wave distributed-feedback (CW-DFB) lasers, with the aim to …

The purpose of this article is to explore the dependence of calculated postshock
thermodynamic properties in shock tube experiments upon the vibrational state of the test …

In situ combustion measurements of water vapor concentration and gas temperature were
carried out with a new tunable diode laser sensor near 2.5 µm. Recent availability of room …

Tunable diode laser absorption spectroscopy of CO was studied in the controlled laboratory
environments of a heated cell and a combustion exhaust rig. Two absorption lines, R (10) …