CT-TDLAS: Computed Tomography-Tunable Diode Laser Absorption Spectroscopy

CT-TDLAS-I is a revolutionary measurement system which can detect time-series 2D temperature and concentration distributions in combustion, reaction and flow fields. It utilizes the CT-TDLAS(Computed Tomography-Tunable Diode Laser Absorption Spectroscopy)technology developed by Tokushima University and it can be applied to engines(in-cylinder and exhausts), burners, boilers, gas turbines for time- series 2D temperature and concentration measurement(response time < 1ms).

Principle :Computed Tomography-Tunable Diode Laser Absorption Spectroscopy

Multi-path laser beams are introduced to the measurement area and 2D temperature and concentration distributions are reconstructed by CT using multi-path absorption spectra.

Target :Engines, Burners, Boilers, Gas turbines, etc.

Temperature: 300-2000K

Concentration: H4, NH3, CO2, H2O, and more

Measurement System

Measurement System



CT Measurement Cell

CT Measurement Cell


Time-series 2D CH 4 Concentration Measurement Results of Oscillating Flame (50Hz)

Time-series 2D CH 4 Concentration Measurement Results of Oscillating Flame (50Hz)




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