Ultraviolet radiation is generated by sum-frequency mixing a distributed feedback laser and a diode-pumped solid-state laser to make high-speed absorption measurements of the hydroxyl radical. Measurements in a C2H4-air flame at 20 kHz are demonstrated.
© 2005 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(300.0300) Spectroscopy : Spectroscopy
(300.1030) Spectroscopy : Absorption
T. N. Anderson, R. P. Lucht, J. R. Gord, S. Roy, and T. R. Meyer, "Development of a High Speed Diode-Laser-Based Ultraviolet Absorption Sensor for the Hydroxyl Radical," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JTuC51.
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