[1] [1] Todorov T, Nikolova L, Tomova N. Polarization holography I: A new high-efficiency organic material with reversible photo-inducd birefringence. Appl. Opt., 1984, 23(23):4309～4312

[2] [2] Todorov T, Tomova N, Nibolovoa L. High-sensitivity material with reversible photo-induced anisotropy. Opt. Commun., 1983, 47(2): 123～126

[3] [3] Couture J A, Lessard R A. Modulation transfer function measurement for thin layers of azo dyes in PVA matrix used as an optical recording material. Appl. Opt., 1988, 27(16): 3368～3374

[4] [4] Bian S, Li L, Kumar J. Single laser beam-induced surface deformation on azobenzene polymer films. Appl. Phys. Lett., 1998, 73(13): 1817～1819

[5] [5] Kim D Y, Li L, Jiang X L. Polarized laser induced holographic surface relief gratings on polymer films. Macromolecules, 1995, 28(26): 8835～8839

[6] [6] Ramanujam P S, Holme N C R, Hvilsted S. Atomic force and optical near-field microscopic investigations of polarization holographic gratings in a liquid crystalline azobenzene side-chain polyester. Appl. Phys. Lett., 1996, 68(10): 1329～1331

[7] [7] Holme N C R, Nikolova L, Ramanujam P S. An analysis of the anisotropic and topographic gratings in a side-chain liquid crystalline azobenzene polyester. Appl. Phys. Lett., 1997, 70(12): 1518～1520

[12] [12] Zhang Lizhi, Liang Zhaoxi. Second order non-linear optical interpenetrating polymer networks based on polyurethane orpoly (methyl methacry late) and epoxy polymer. Polym. Int., 1999, 48(6): 467～472

[13] [13] Zhang Lingzhi, Cai Zhigang, Valerica Ninulescu. Photoinduced birefringence and computer solution of a new dynamic model in a amorphous copolymer containing azobenzene Groups. Chin. J. Polym. Sci., 2001, 19(3): 255～263