On the optical super-resolution dynamic readout effects of metal thin films

Li Qisong; Wei Jingsong; Wei Tao; Liang Xin; Bai Zhen; Zhang Long

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On the optical super-resolution dynamic readout effects of metal thin films

机译：关于金属薄膜的光学超分辨率动态读数效果

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The physical understanding for retrieving super-resolution pits using metal thin films in optical information storage is given, where the reflection modulations both of bright and dark fields are demonstrated experimentally due to the reflection intensity change of metal thin films. A pump-probe setup is constructed to explore the transient reflection intensity change under different pump light intensities. The results show that the reflectivity increases for Al thin films while the reflectivity decreases for Cu and Zn thin films, corresponding to the reflection modulation of the bright and dark fields, respectively. The frequency response function also verifies that the cutoff frequency is extended through reflection modulation. This work gives an understanding on the optical super-resolution readout effect of metal thin films and is very useful in promoting the development of nano-optical information storage. (C) 2016 Optical Society of America

机译：给出了使用光学信息存储中的金属薄膜检索超分辨率凹坑的物理理解，其中由于金属薄膜的反射强度变化，实验证明了明亮和暗场的反射调制。构造泵探针设置以探索不同泵浦光强度下的瞬态反射强度变化。结果表明，反射率为Al薄膜增加，而Cu和Zn薄膜的反射率分别对应于明亮和暗场的反射调制。频率响应功能还验证截止频率通过反射调制延伸。这项工作对金属薄膜的光学超分辨率读出效果达到了理解，并且在促进纳米光学信息存储的发展方面非常有用。（c）2016年美国光学学会

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来源
《Applied optics》 |2017年第1期|共6页
作者
Li Qisong; Wei Jingsong; Wei Tao; Liang Xin; Bai Zhen; Zhang Long;
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Chinese Acad Sci Shanghai Inst Opt &

Fine Mech Lab High Dens Opt Storage Shanghai 201800 Peoples R China;

Chinese Acad Sci Shanghai Inst Opt &

Fine Mech Lab High Dens Opt Storage Shanghai 201800 Peoples R China;

Chinese Acad Sci Shanghai Inst Opt &

Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

Chinese Acad Sci Shanghai Inst Opt &

Fine Mech Lab High Dens Opt Storage Shanghai 201800 Peoples R China;

Chinese Acad Sci Shanghai Inst Opt &

Fine Mech Lab High Dens Opt Storage Shanghai 201800 Peoples R China;

Chinese Acad Sci Shanghai Inst Opt &

Fine Mech Key Lab Mat High Power Laser Shanghai 201800 Peoples R China;

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On the optical super-resolution dynamic readout effects of metal thin films

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