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    • 3. 发明申请
    • High-Resolution Optical Information Storage Medium
    • 高分辨率光信息存储介质
    • US20100291338A1
    • 2010-11-18
    • US12526036
    • 2008-02-05
    • Bérangère HyotLudovic PoupinetBernard AndrePatrick Chaton
    • Bérangère HyotLudovic PoupinetBernard AndrePatrick Chaton
    • B32B3/02
    • G11B7/257
    • The invention relates to optical information storage.According to the invention, what is provided is a high-resolution optical information storage structure, comprising a substrate (10) provided with physical marks, the geometric configuration of which defines the information recorded, a superposition of three layers over the top of the marks on the substrate, and a transparent protective layer over the top of this superposition, the superposition comprising an indium antimonide or gallium antimonide layer (14) inserted between two ZnS/SiO2 dielectric layers (12, 16).The information may be prerecorded in the substrate with a resolution (in terms of size and space) better than the theoretical read resolution permitted by the wavelength of the read laser. The non-linearity in behaviour of the three-layer superposition allows the information to be read if the laser power is well chosen.
    • 本发明涉及光信息存储。 根据本发明,提供了一种高分辨率光学信息存储结构,其包括设置有物理标记的基板(10),其几何构型限定记录的信息,在标记的顶部上叠加三层 在该叠加的顶部上的透明保护层,叠加包括插入在两个ZnS / SiO 2电介质层(12,16)之间的锑化铟或锑化镓层(14)。 该信息可以以比读取激光器的波长所允许的理论读取分辨率更高的分辨率(在尺寸和空间上)预先记录在基板中。 如果激光功率被良好选择,则三层叠加的行为的非线性允许读取信息。
    • 4. 发明授权
    • Optical component operating in near-field transmission
    • 在近场传输中运行的光学元件
    • US08030604B2
    • 2011-10-04
    • US12304131
    • 2007-06-08
    • Salim MimouniLudovic Poupinet
    • Salim MimouniLudovic Poupinet
    • G01J1/20
    • G01Q60/22G01Q80/00G11B7/1353G11B7/1381G11B7/1387
    • A near-field detection optical component operating in transmission. It includes at least one portion (11b) forming at least one grating (11) of diffraction microstructures (11a) succeeding one another over several periods (p), this grating (11) being capable of converting evanescent waves (16), which are established between the component and an object (12) located in the near field, when it reflects or emits radiation having a wavelength, into propagating waves (16′) by a diffraction effect during transmission through the portion (11b) forming the grating (11) of diffraction microstructures (11a). The period (p) of the grating (11) being of the order of magnitude of the wavelength of the radiation.
    • 在传输中工作的近场检测光学部件。 它包括至少一个部分(11b),其形成在几个周期(p)之后彼此相继的衍射微结构(11a)的至少一个光栅(11),该光栅(11)能够转换消逝波(16) 当通过形成光栅(11)的部分(11b)的传输期间,位于近场的物体(12)当其反射或发射具有波长的辐射时,通过衍射效应将其传播到传播波(16')中 )的衍射微结构(11a)。 光栅(11)的周期(p)为辐射波长的数量级。