Optical Switch Formation in Antimony Super-Resolution Mask Layers Induced by Picosecond Laser Pulses

Sb is a classic material of a super-resolution near field structure （super-RENS） mask layer in which the optical switch formation is often realized by nanosecond laser pulse stimulation. We achieve fast and repeatable optical switching driven by picosecond laser pulses in a proper fluence range on S...

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Bibliographic Details
Published in:Chinese physics letters 2010, Vol.27 (1), p.151-154
Main Author: 翟凤潇 左方圆 黄欢 王阳 赖天树 吴谊群 干福熹
Format: Article
Language:English
Subjects:
Antimony
Lasers
Masks
Nanostructure
Optical switching
Stimulation
Switching
Thin films
光开关
激光薄膜
皮秒激光脉冲
超分辨率
超分辨近场结构
锑薄膜
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Summary:Sb is a classic material of a super-resolution near field structure （super-RENS） mask layer in which the optical switch formation is often realized by nanosecond laser pulse stimulation. We achieve fast and repeatable optical switching driven by picosecond laser pulses in a proper fluence range on Sb thin films. The optical properties of Sb thin films before and after switching are studied by surface-sensitive micro-area ellipsometry. The change of optical constants after switching is less than 2% in the whole visible range. The Sb mask layer is shown to be very promising for ultrafast super-resolution optical storage applications.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/27/1/014209