A study of OH radicals in an atmospheric AC discharge plasma using near infrared diode laser cavity ringdown spectroscopy combined with optical emission spectroscopyN. Srivastava, C. Wang and T. S. DibbleEur. Phys. J. D, 54 1 (2009) 77-86DOI: https://doi.org/10.1140/epjd/e2009-00174-9