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    • 8. 发明授权
    • Raman signal-enhancing structures and devices
    • 拉曼信号增强结构和器件
    • US07359048B2
    • 2008-04-15
    • US11413910
    • 2006-04-28
    • Shih-Yuan WangR. Stanley WilliamsRaymond G. BeausoleilTheodore I. KaminsZhiyong LiWei Wu
    • Shih-Yuan WangR. Stanley WilliamsRaymond G. BeausoleilTheodore I. KaminsZhiyong LiWei Wu
    • G01J3/44G01N21/65
    • G01N21/658G01J3/44
    • Raman systems include a radiation source, a radiation detector, and a Raman device or signal-enhancing structure. Raman devices include a tunable resonant cavity and a Raman signal-enhancing structure coupled to the cavity. The cavity includes a first reflective member, a second reflective member, and an electro-optic material disposed between the reflective members. The electro-optic material exhibits a refractive index that varies in response to an applied electrical field. Raman signal-enhancing structures include a substantially planar layer of Raman signal-enhancing material having a major surface, a support structure extending from the major surface, and a substantially planar member comprising a Raman signal-enhancing material disposed on an end of the support structure opposite the layer of Raman signal-enhancing material. The support structure separates at least a portion of the planar member from the layer of Raman signal-enhancing material by a selected distance of less than about fifty nanometers.
    • 拉曼系统包括辐射源,辐射检测器和拉曼器件或信号增强结构。 拉曼器件包括耦合到空腔的可调谐谐振腔和拉曼信号增强结构。 空腔包括第一反射构件,第二反射构件和设置在反射构件之间的电光材料。 电光材料表现出响应于所施加的电场而变化的折射率。 拉曼信号增强结构包括具有主表面的基本平坦的拉曼信号增强材料层,从主表面延伸的支撑结构和包括设置在支撑结构的端部上的拉曼信号增强材料的基本上平面的构件 与拉曼信号增强材料层相对。 支撑结构将平面构件的至少一部分与拉曼信号增强材料层分开小于约五十纳米的选定距离。
    • 9. 发明授权
    • Angle sensor, system and method employing guided-mode resonance
    • 采用导模共振的角度传感器,系统和方法
    • US08390800B2
    • 2013-03-05
    • US12864234
    • 2008-03-04
    • David A. FattalAnna PyaytRaymond G. BeausoleilWei Wu
    • David A. FattalAnna PyaytRaymond G. BeausoleilWei Wu
    • G01B11/26G01C1/00G01J3/28
    • G01B11/26G01D5/38
    • An angle sensor, system and method employ a guided-mode resonance. The angle sensor includes a guided-mode resonance (GMR) grating and a resonance processor. The resonance processor determines an angle of incidence of a signal incident on the GMR grating. The resonance processor uses a guided-mode resonance response of the GMR grating to the signal to determine the angle of incidence. The angle sensing system includes the GMR grating, the resonance processor and further includes an optical source that produces the signal. The method includes providing a GMR grating, detecting a guided-mode resonance produced in the GMR grating when subjected to an incident signal, and determining an angle of incidence of the incident signal from one or both of a number of and a spectral distance between guided-mode resonances present in a response of the GMR grating to the incident signal.
    • 角度传感器,系统和方法采用导模共振。 角度传感器包括导模谐振(GMR)光栅和谐振处理器。 谐振处理器确定入射在GMR光栅上的信号的入射角。 谐振处理器使用GMR光栅的导模谐振响应信号来确定入射角。 角度感测系统包括GMR光栅,谐振处理器,还包括产生该信号的光源。 该方法包括:提供GMR光栅,检测在受到入射信号时在GMR光栅中产生的导模共振,以及确定入射信号之间的数量和频谱距离之间的一个或两个的入射角 在GMR光栅对入射信号的响应中存在共模谐振。