.[15]Song Ningfang，Ma Pan，Song Jingming，Jin Jing ，Reduced phase error of a fiber optic gyroscope using a polarization maintaining photonic crystal fiber，Optical Fiber Technology，VOL 18 ISSU 4 PAGE 186-189，2012
.[14] Ningfang Song, Rui Yuan, Jing Jin，Autonomous Estimation of Allan Variance Coefficients of Onboard Fiber Optic Gyro，Journal of Instrumentation，VOL 6 ISSU 9 P09005，2011
.[13] Cai, Wei; Song, Ningfang; Jin, Jing; Song, Jingming; Li, Wei; Luo, Wenyong; Xu, Xiaobin. Gamma-radiation effects in pure-silica-core photonic crystal fiber. CHINESE PHYSICS B, 2017, 26(11).
.[12] Song, Ningfang; Ma, Kun; Jin, Jing; Teng, Fei; Cai, Wei. Modeling of Thermal Phase Noise in a Solid Core Photonic Crystal Fiber-Optic Gyroscope. Sensors, 2017, 17(11).
.[11] Song, Ningfang; Gao, Fuyu; Xu, Xiaobin; Zhang, Zhihao. Two-layer polarization-maintaining solid-core photonic crystal fiber. IEEE Photonics Journal, 2018, PP(99).
.[10] Song, Ningfang; Hu, Di; Xu, Xiaobin; Li, Wei; Lu, Xiangxiang; Song, Yitong. Experimental Investigation of the Influence of the Laser Beam Waist on Cold Atom Guiding Efficiency. Sensors, 2018, 18(3).
.[9] Cai, Wei; Song, Ningfang; Song, Jingming; Jin, Jing; Wang, Xiaxiao. Transverse Magneto-Optic Error of a Miniature Solid-Core Photonic-Crystal Fiber Optic Gyroscope. IEEE ACCESS, 2019, 7.
.[8] Wu, Chunxiao; Song, Ningfang; Cao, Chunjie; Gao, Fuyu; Song, Jingming. Bending characteristic analysis and improvement of fusion splice between photonic crystal fiber and single mode fiber. OPTICS COMMUNICATIONS, 2019, 435.
.[7] Gao Fuyu; Song Ningfang; Xu Xiaobin; Wang Xiaoyang. Low-loss hollow-core photonic bandgap fiber with isolated anti-resonance layer. Optics Communications, 2019, 441:208-211.
.[6] Song, Ningfang; Wang, Xiaoyang; Xu, Xiaobin; Cai, Wei; Wu, Chunxiao. Measurement of the Verdet Constant of Polarization-Maintaining Air-Core Photonic Bandgap Fiber. Sensors, 2017, 17(8).