Infrared laser-absorption sensing for combustion gases
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 …
diagnosing and characterizing a wide range of combustion systems. Of all the laser …
Laser absorption spectroscopy for combustion diagnosis in reactive flows: A review
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 …
combustion diagnosis in recent decades. As a cost-effective tool for measuring multiple …
Calibration-free wavelength-modulation spectroscopy for measurements of gas temperature and concentration in harsh environments
GB Rieker, JB Jeffries, RK Hanson - Applied optics, 2009 - opg.optica.org
We present a practical implementation of calibration-free wavelength-modulation
spectroscopy with second harmonic detection (WMS-2f) for measurements of gas …
spectroscopy with second harmonic detection (WMS-2f) for measurements of gas …
Extension of wavelength-modulation spectroscopy to large modulation depth for diode laser absorption measurements in high-pressure gases
H Li, GB Rieker, X Liu, JB Jeffries, RK Hanson - Applied optics, 2006 - opg.optica.org
Tunable diode laser absorption measurements at high pressures by use of wavelength-
modulation spectroscopy (WMS) require large modulation depths for optimum detection of …
modulation spectroscopy (WMS) require large modulation depths for optimum detection of …
Diode-laser absorption sensor for line-of-sight gas temperature distributions
Line-of-sight diode-laser absorption techniques have been extended to enable temperature
measurements in nonuniform-property flows. The sensing strategy for such flows exploits the …
measurements in nonuniform-property flows. The sensing strategy for such flows exploits the …
Wavelength modulation absorption spectroscopy with 2 f detection using multiplexed diode lasers for rapid temperature measurements in gaseous flows
Multiplexed fiber-coupled diode lasers are used to probe second-harmonic line shapes of
two near-infrared water absorption features, at 1343 nm and 1392 nm, in order to infer …
two near-infrared water absorption features, at 1343 nm and 1392 nm, in order to infer …
Near-infrared diode laser absorption diagnostic for temperature and water vapor in a scramjet combustor
Tunable diode laser absorption measurements of gas temperature and water concentration
were made at the exit of a model scramjet combustor fueled on JP-7. Multiplexed, fiber …
were made at the exit of a model scramjet combustor fueled on JP-7. Multiplexed, fiber …
Sensitive detection of temperature behind reflected shock waves using wavelength modulation spectroscopy of CO2 near 2.7 μm
Tunable diode-laser absorption of CO 2 near 2.7 μm incorporating wavelength modulation
spectroscopy with second-harmonic detection (WMS-2f) is used to provide a new sensor for …
spectroscopy with second-harmonic detection (WMS-2f) is used to provide a new sensor for …
Absorption sensor for CO in combustion gases using 2.3 µm tunable diode lasers
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) …
environments of a heated cell and a combustion exhaust rig. Two absorption lines, R (10) …
Near-infrared diode laser absorption sensor for rapid measurements of temperature and water vapor in a shock tube
Abstract A fast-response (100 kHz) tunable diode laser absorption sensor is developed for
measurements of temperature and H 2 O concentration in shock tubes, eg for studies of …
measurements of temperature and H 2 O concentration in shock tubes, eg for studies of …