[1] Tajima K, Ohashi M, Shiraki K, et al. J. Lightwave Technol., 1992, 10: 1532.
[2] Kashyap R. Opt. Fiber Technol., 1994, 1: 17.
[3] Dianov E M, Grekov M V, Bufetov I A, et al. Electorn. Lett., 1997, 33: 1542.
[4] Grubb S G, Gannon P. Optical Society of America Technical Digest, 1991, 4: 7.
[5] Dianov E M, Bubnov M M, Gurianov A N, et al. European Conference on Optical Communications (ECOC2000), 2000, 3: 135.
[6] Gaponstev V P, Mtisin S M, Isineev A A, et al. Opt. & Laser Technol., 1989, 14(4): 188.
[9] Ferraudi G, Arguello G A, Ali H, et al. Photochem. Photobiol., 1988, 47(5): 657.
[10] Dearden S J. J. Chem. Soe., Faraday Trans. I, 1986, 82: 1627.
[12] Dianov E M, Koltashev V V, Plotnichenko V G, et al. Journal of Non-Crystalline Solids, 1999, 249: 29.
[13] YOU Jing-lin, JIANG Guo-chang, XU Kuang-di. Journal of Non-Crystalline Solids, 2001, 282(1): 125.
[15] Plotnichenko V G, Sokolov V O, Koltashev V V, et al. Journal of Non-Crystalline Solids, 2002, 306: 209.
[16] YOU Jing-lin, JIANG Guo-chang, HOU Huai-yu, et al. J. Raman Spectrosc., 2005, 36(3): 237.