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Multilevel optical information recording in silver-containing photosensitive glasses by UV laser pulses

机译:通过紫外线激光脉冲在含银感光玻璃中进行多级光学信息记录

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摘要

It is experimentally shown that silver-containing silicate photosensitive glasses can be used for multilevel optical information recording using UV nanosecond laser pulses. Information can be recorded by the creation of luminescent centers, which are neutral silver molecular clusters, or silver nanoparticles with plasmon resonance using additional thermal treatment. It is shown that silver nanoparticles formed in glass have spheroidal shapes and have dielectric shells. Multilevel optical information recording can be performed by modulation of luminescence or absorption intensity varying UV laser irradiation dose. The effect of dopants (Ce, Sb, and Cl) on the recording process is shown. The described methods allow to record optical information in octal and hexadecimal number systems.
机译:实验表明,含银的硅酸盐感光玻璃可用于使用紫外线纳秒激光脉冲进行多级光学信息记录。可以通过创建发光中心来记录信息,该发光中心是中性的银分子簇,或者使用额外的热处理具有等离子体共振的银纳米颗粒。已表明在玻璃中形成的银纳米颗粒具有球形形状并具有介电壳。可以通过改变发光强度或吸收强度来改变紫外激光辐照剂量来执行多级光学信息记录。显示了掺杂剂(Ce,Sb和Cl)对记录过程的影响。所描述的方法允许在八进制和十六进制系统中记录光学信息。

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