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    • 1. 发明申请
    • PULSE CIRCUIT
    • 脉冲电路
    • US20080197714A1
    • 2008-08-21
    • US12030929
    • 2008-02-14
    • Joseph T. VerdeyenBrett M. NeeDavid L. Carroll
    • Joseph T. VerdeyenBrett M. NeeDavid L. Carroll
    • H03K3/00
    • H03K3/53
    • In an embodiment of the invention there is provided a pulse circuit including two transmission lines or other capacitive energy storage circuits resonantly charged by inductors and diodes that are connected to a DC power source. The pulse circuit includes a pulse transformer that may be connected in series with the transmission lines or artificial lines with a turns ratio chosen to match the load impedance to primary circuit impedance or to generate the optimum pulsed voltage source. Multiple switches can be employed to increase the repetition frequency of the pulses. For transmission lines and L-C artificial lines, the pulse alternates in polarity; for simple capacitive energy storage, the pulses are unipolar.
    • 在本发明的一个实施例中,提供了一种脉冲电路,该脉冲电路包括两个传输线路或其它电容性能量存储电路,该电容器通过与直流电源连接的电感器和二极管共振地充电。 脉冲电路包括脉冲变压器,其可以与传输线或人造线串联连接,匝数比选择为匹配负载阻抗与初级电路阻抗或产生最佳脉冲电压源。 可以采用多个开关来增加脉冲的重复频率。 对于传输线和L-C人造线,脉冲极性交替; 对于简单的电容性能量存储,脉冲是单极性的。
    • 10. 发明授权
    • Plasmon-photon coupled optical devices
    • 等离子体光子耦合光学器件
    • US07110154B2
    • 2006-09-19
    • US10865237
    • 2004-06-10
    • John BallatoDavid L. CarrollJeffrey R. Dimaio
    • John BallatoDavid L. CarrollJeffrey R. Dimaio
    • G02F1/03G02F1/00G02F1/01H01J3/14
    • G02F1/353G02F1/0338G02F2202/32G02F2203/10G02F2203/52
    • The present invention is directed to optical devices. More specifically, the disclosed devices include a film defining a periodic array of surface elements so as to give rise to surface plasmon polaritons. The film also includes at least a single aperture having a diameter less than the wavelength of light. In one embodiment, the surface elements can be an array of anisotropic apertures and the films can act as a polarizer. The disclosed devices can also include a material having a variable refractive index substantially adjacent to the metal film. For example, the refractive index of the adjacent material can vary according to some characteristic of the light incident to the device, for instance, the intensity or the angle of incidence of the light. In this embodiment, resonant coupling of incident light with the SPP, and hence transmittivity of the device, can depend upon the nature of incident light. The disclosed devices can be useful in, for example, remote polarizers, polarization mode dispersion, isolators, multi-color displays, switches, such as can be controlled according to incident sunlight, or optical filters, such as for eye protection devices, filtering out possibly harmful light.
    • 本发明涉及光学器件。 更具体地,所公开的装置包括限定周期性阵列的表面元件的膜,以便产生表面等离子体激元极化子。 该膜还包括直径小于光的波长的至少一个孔。 在一个实施例中,表面元件可以是各向异性孔的阵列,并且膜可以用作偏振器。 所公开的装置还可以包括具有与金属膜基本相邻的可变折射率的材料。 例如,相邻材料的折射率可以根据入射到该装置的光的一些特性而变化,例如光的入射角或强度。 在本实施例中,入射光与SPP的谐振耦合以及因此器件的透射率可以取决于入射光的性质。 所公开的装置可用于例如远程偏振器,偏振模色散,隔离器,多色显示器,诸如可以根据入射的太阳光控制的开关,或诸如用于眼睛保护装置的滤光器,过滤掉 可能有害的光。