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    • 9. 发明申请
    • NON-VOLATILE PROGRAMMABLE OPTICAL ELEMENT EMPLOYING F-CENTERS
    • 非挥发性可编程光学元件使用F中心
    • US20100039848A1
    • 2010-02-18
    • US12189983
    • 2008-08-12
    • Gerhard I. MeijerThilo H. C. Stoferle
    • Gerhard I. MeijerThilo H. C. Stoferle
    • G11C11/34H01L21/02
    • G02F1/011G02F1/1523G02F1/225G02F1/313G02F3/022G02F2203/15
    • A non-volatile programmable electro-optical element alters absorption characteristics of an optical medium that comprises a doped transition metal oxide material including F-centers. The F-centers are electrostatically moved into or out of the regions containing a wavefunction of an optical beam. A specific F-center profile in the transition metal oxide material may be programmed into the optical medium. The F-center profile alters an absorption profile within the optical medium. The spectral range for transmission of electromagnetic radiation in the optical medium may be tailored by the F-centers. Once the absorption profile is set by an electrical signal, the optical element maintains its state even when the electrical signal is turned off. Thus, the programming node may be disconnected from a power supply network, thereby enabling a low power operation of the electro-optical element. The inventive electro-optical element may be employed for both the visible and the infrared wavelength spectrum.
    • 非易失性可编程电光元件改变包括掺杂的过渡金属氧化物材料(包括F-中心)的光学介质的吸收特性。 F中心被静电地移入或移出包含光束波函数的区域。 过渡金属氧化物材料中的特定的F中心分布可以被编程到光学介质中。 F中心轮廓改变光学介质内的吸收曲线。 光介质中电磁辐射传输的光谱范围可以由F-中心来定制。 一旦通过电信号设置吸收曲线,即使当电信号被关闭时,光学元件也保持其状态。 因此,编程节点可以与电源网络断开,从而能够实现电光元件的低功率操作。 本发明的电光元件可以用于可见光和红外波长光谱。