[1] B. E. A. Saleh and M. C. Teich, Fundamentals of photonics. USA: John Wiley & Sons Inc., 1991.
[2] B. Wang, C. Huang, R. Guo, and F. T. S. Yu, “A novel fiber chemical sensor using inner product multimode fiber speckle fields,” in Proc. SPIE, vol. 5206, pp. 200–304, 2003.
[3] Y. Liu and L. Wei, “Low-cost high-sensitivity strain and temperature sensing using graded-index multimode fibers,” Applied Optics, 2007, 46(13): 2516–2519.
[4] N. D. Gomez and J. A. Gomez, “Effects of the speckle size on non-holographic fiber specklegram sensor,” Optics and Laser in Engineering, 2013, 51(11): 1291–1295.
[5] J. A. Gomez, H. Lorduy, and A. Salazar, “Influence of the volume speckle on fiber specklegram sensors based on four-wave mixing in photorefractive materials,” Optics Communications, 2011, 284(4): 1008–1014.
[6] P. Torres, V. H. Aristizabal, and M. V. Andres, “Modeling of photonic crystal fibers from the scalar wave equation with a purely transverse linearly polarized vector potential,” Journal of the Optical Society of America B, 2011, 28(4): 787–791.
[7] D. J. Griffiths, Introduction to electrodynamics. USA: Prentice-Hall, Inc., 1999.