Hao Guo, Xiang Dong, Tie-Jun Wang, Xuan Zhang, Na Chen, Fukang Yin, Yihai Wang, Lingang Zhang, Haiyi Sun, Jun Liu, Jiansheng Liu, Baifei Shen, Olga Kosareva, Yuxin Leng, Ruxin Li. Polarization dependent clamping intensity inside a femtosecond filament in air[J]. Chinese Optics Letters, 2021, 19(10): 103201