A diffuse plasma generated by bipolar nanosecond pulsed dielectric barrier discharge in nitrogen Li Jia, De-Zheng Yang, Heng-Chao Shi, Wen-Chun Wang and Sen Wang Eur. Phys. J. D, 68 5 (2014) 113 Published online: 09 May 2014 DOI: 10.1140/epjd/e2014-40438-7