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nonvolatile holographic recording
相关语句
  相似匹配句对
     NGD Holographic Recording Material
     “NGD”全息记录材料
短句来源
     Holographic Storage Recording of Information
     全息信息存贮记录
短句来源
     Experimental results show that nonvolatile holographic recording can suppress scattering noise.
     双掺杂LiNbO3非挥发全息记录实验表明,非挥发全息记录对相干散射噪声有很好的压制作用。
     STUDIES ON NONVOLATILE HOLOGRAPHIC RECORDING FOR LiNbO_3∶Fe WITH DIFFERENT STOICHIOMETRY
     对不同组份LiNbO_3∶Fe非挥发全息存储的研究
短句来源
     Effect of Intensity on Properties of Nonvolatile Holographic Recording in (Cu,Ce)…LiNbO_3 Crystal
     光强对(Cu,Ce)…LiNbO_3晶体非挥发性全息记录性质的影响
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The effect of dopant composition ratio on nonvolatile holographic recording in LiNbO 3∶Cu∶Ce crystals has been investigated experimentally. The results show that the dopant composition ratio affects the performance of nonvolatile holographic recording by altering the ultraviolet light absorption characteristics of the crystals. Increasing the dopant composition ratio of Cu and Ce leads to an increase in the absorption of ultraviolet light and further to an increase in the recording sensitivity...

The effect of dopant composition ratio on nonvolatile holographic recording in LiNbO 3∶Cu∶Ce crystals has been investigated experimentally. The results show that the dopant composition ratio affects the performance of nonvolatile holographic recording by altering the ultraviolet light absorption characteristics of the crystals. Increasing the dopant composition ratio of Cu and Ce leads to an increase in the absorption of ultraviolet light and further to an increase in the recording sensitivity and the fixed diffraction efficiency. The maximum values of the fixed diffraction efficiency η f=32% and the recording sensitivity S=0.022 cm/J are measured from a weakly oxidized LiNbO 3∶Ce∶Cu crystal doped with 0 085% CuO and 0 011% Ce 2O 3.

 实验研究了掺杂组份比对LiNbO3∶Cu∶Ce晶体非挥发全息记录性能的影响。结果表明,在全息记录过程中,掺杂组份比通过改变晶体的紫外光吸收特性而引起全息记录性能的改变。增加 LiNbO3∶Cu∶Ce晶体中 Cu和 Ce的掺杂组份比会导致晶体对紫外光吸收的增强,进而提高了全息记录灵敏度和固定衍射效率。在弱氧化处理的掺有CuO和Ce2O3 的质量分数分别为0. 085%和0. 011%的LiNbO3∶Ce∶Cu晶体中,得到了最高的固定衍射效率ηf=32%和记录灵敏度S=0 .022 cm/J。

Nonvolatile holographic recording is performed with recording UV beams (364 nm) in CeMnLiNbO_3 crystals, both the sensitivity and the fixed diffraction efficiency can be improved more than 50 times of that in two-center recording scheme with recording red beams (633 nm). It is analyzed that in this UV recording system, a larger proportion of the electrons are excited and the average movement cycle of electrons involved in photorefrative procedure becomes shorter; the deep and shallow...

Nonvolatile holographic recording is performed with recording UV beams (364 nm) in CeMnLiNbO_3 crystals, both the sensitivity and the fixed diffraction efficiency can be improved more than 50 times of that in two-center recording scheme with recording red beams (633 nm). It is analyzed that in this UV recording system, a larger proportion of the electrons are excited and the average movement cycle of electrons involved in photorefrative procedure becomes shorter; the deep and shallow center being in phase makes the fixed space-charge field stronger. The effect of annealing also is studied.

采用紫外光作记录光在Ce∶Mn∶LiNbO3晶体中实现非挥发全息记录,灵敏度可达0.0803cm/J,衍射效率(固定)为5.07%,比采用红光为记录光,紫外光为敏化光的非挥发双中心记录方案均提高了50多倍。分析表明,采用紫外光作为记录光,深能级电子被激发比例极大提高,参与光折变过程的电子平均运动周期变短,提高了衍射效率和灵敏度;深浅能级电子光栅的同相位,使得固定空间电荷场变强。文中还研究了退火对记录性能的影响。

Holographic recording experiments of doubly-doped LiNbO_3∶Fe∶Ni crystals are conducted by three kinds of different twocolor recording schemes.In detail,the saturation diffraction efficiency,the fixing diffraction efficiency,the recording sensitivity and the effect of annealing conditions are investigated experimentally.The results show that the saturation diffraction efficiency,the fixing diffraction efficiency and the recording sensitivity of oxidized LiNbO_3∶Fe∶Ni crystal are higher than those of other reported...

Holographic recording experiments of doubly-doped LiNbO_3∶Fe∶Ni crystals are conducted by three kinds of different twocolor recording schemes.In detail,the saturation diffraction efficiency,the fixing diffraction efficiency,the recording sensitivity and the effect of annealing conditions are investigated experimentally.The results show that the saturation diffraction efficiency,the fixing diffraction efficiency and the recording sensitivity of oxidized LiNbO_3∶Fe∶Ni crystal are higher than those of other reported doubly doped LiNbO_3 crystals.Based on the doped energy-band diagram,the effect of the relative energy level of the deep trap center and its microcosmic optical parameter on holographic recording properties of doubly doped LiNbO_3 is analyzed theoretically.LiNbO_3∶Fe∶Ni has the potential of being a new highly efficient nonvolatile holographic recording material.

采用三种不同的双光记录方案进行了LiNbO3∶Fe∶Ni晶体全息存储实验,详细研究了饱和衍射效率、固定衍射效率、动态范围和记录灵敏度,以及退火条件对记录的影响。结果表明,氧化LiNbO3∶Fe∶Ni晶体的饱和衍射效率、固定衍射效率和记录灵敏度比其他报道的双掺杂LiNbO3晶体高。结合掺杂能级图,理论分析了LiNbO3双掺杂晶体深陷阱中心能级的相对位置及其微观光学参量对全息记录性能的影响。LiNbO3∶Fe∶Ni晶体有望成为一种新的高效率非挥发全息存储材料。

 
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