UV-absorption-based OH and NO sensors for combustion processes and environmental monitoring
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The development of optical sensors for the measurement of hydroxyl (OH) and nitric oxide (NO) was reported. Intensity modulation of the ultraviolet radiation was the current limit of the detection sensitivity. The results showed that the low power external cavity diode lasers (ECDL) were amplified to obtain powers greater than 1W in compact devices without degrading the spectral purity of the seed laser radiation.
author list (cited authors)
Hanna, S., Barron-Jimenez, R., Anderson, T. N., Caton, J. A., Lucht, R. P., Li, G., & Walther, T.