中国物理B ›› 2013, Vol. 22 ›› Issue (5): 54203-054203.doi: 10.1088/1674-1056/22/5/054203
• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇 下一篇
徐超a, 张春雷b, 代丽a, 冷雪松a, 许磊a, 徐玉恒a
Xu Chao (徐超)a, Zhang Chun-Lei (张春雷)b, Dai Li (代丽)a, Leng Xue-Song (冷雪松)a, Xu Lei (许磊)a, Xu Yu-Heng (徐玉恒)a
摘要: Mg:Ru:Fe:LiNbO3 crystals with various concentrations of MgO (in mole) and fixed content of RuO2 and Fe2O3 (in mass) are grown with the Czochralski method from the congruent melt. Their infrared transmission spectra are measured and discussed to investigate the defect structure. With the increase of Mg2+ concentration the blue nonvolatile holographic storage capability is enhanced. The nonvolatile holographic storage properties of dual-wavelength recording of Mg(7 mol%):Ru:Fe:LiNbO3 nonvolatile diffraction efficiency, response time and nonvolatile sensitivity reach 59.8%, 70 s, and 1.04 cm/J, respectively. Comparing Mg(7 mol%):Ru:Fe:LiNbO3 with Ru:Fe:LiNbO3 crystal, the response time is shortened apparently. The nonvolatile diffraction efficiency and sensitivity are raised largely. The mechanism in blue photorefractive nonvolatile holographic storage is discussed.
中图分类号: (Hologram recording and readout methods)