[1] J. Nilsson, Y. Jeong, C. Alegria et al.. Beyond 1 kW with fiber lasers and amplifiers [C]. Optical Fiber Communications Conference, 2003, 2: 685~686
[3] Hhiko Yoda, Pavel Polynkin, Masud Mansuripur. Beam quality factor of higher order modes in a step index fiber[J]. J. Lightwave Technol., 2006, 24(3): 1350~1355
[7] Jia Weiguo, Zhou Yanyong, Ying Chun et al.. Modulation instability of near frequency propagation regime in step-wise decreasing fibers[J]. J. Optoelectronics·Laser, 2007, 18(3): 276~280
[8] E. Snitzer. Cylindrical dielectric waveguide modes[J]. J. Opt. Soc. Am., 1961, 51(5): 491~498
[9] Pierre André Bélanger. Beam quality factor of the LP01 mode of the step index fiber[J]. Opt. Engng., 1993, 32(9): 2107~2109
[10] D. Gloge. Weakly guiding fibers[J]. Appl. Opt., 1971, 10(10): 2252~2258
[11] Zhang Jinzhong. A ray model for the propagation of light in a step fiber[J]. College Physics, 2009, 28(3): 22~23
[15] Wu Chongqing. Optical Waveguide Theory[M]. Beijing: Tsinghua University Press, 2000. 40~46
[16] Li Ling, Huang Yongqing. Fiber Communication Foundation[M]. Beijing:National Defence Industry Press, 1999. 43~62
[17] Liao Yanbiao. Fiber Optics[M]. Beijing: Tsinghua University Press, 2000. 20~33