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    • 6. 发明申请
    • Tuning optical cavities
    • 调谐光腔
    • US20080187011A1
    • 2008-08-07
    • US11702320
    • 2007-02-05
    • Peter KieselOliver SchmidtMichael BasslerUma Srinivasan
    • Peter KieselOliver SchmidtMichael BasslerUma Srinivasan
    • H01S3/098H01S3/08
    • H01S3/08081G01J3/26H01S3/105
    • An inhomogeneous optical cavity is tuned by changing its shape, such as by changing reflection surface positions to change tilt angle, thickness, or both. Deformable components such as elastomer spacers can be connected so that, when deformed, they change relative positions of structures with light-reflective components such as mirrors, changing cavity shape. Electrodes can cause deformation, such as electrostatically, electromagnetically, or piezoelectrically, and can also be used to measure thicknesses of the cavity. The cavity can be tuned, for example, across a continuous spectrum, to a specific wavelength band, to a shape that increases or decreases the number of modes it has, to a series of transmission ranges each suitable for a respective light source, with a modulation that allows lock-in with photosensing for greater sensitivity, and so forth. The optical cavity can be a linear variable filter fabricated on the photosensitive surface of a photosensing component such as a photosensor array or a position-sensitive detector.
    • 通过改变其形状来调整不均匀的光学腔,例如通过改变反射面位置来改变倾斜角,厚度或两者。 变形部件如弹性体间隔件可以连接,使得当变形时,它们改变结构与诸如反射镜的光反射部件的相对位置,改变腔体形状。 电极可能导致变形,例如静电,电磁或压电,也可用于测量腔的厚度。 空腔可以例如通过连续光谱被调谐到特定波长带,以使其具有的模式数量增加或减少的形状调整到各自适用于相应光源的一系列传输范围,其中 允许通过光敏锁定来实现更高灵敏度的调制,等等。 光腔可以是制造在诸如光电传感器阵列或位置敏感检测器的感光部件的感光表面上的线性可变滤波器。
    • 10. 发明申请
    • OPTICAL MODULATOR WITH A TRAVELING SURFACE RELIEF PATTERN
    • 具有旅行表面救援模式的光学调制器
    • US20060132893A1
    • 2006-06-22
    • US11017402
    • 2004-12-20
    • Uma SrinivasanEric ShraderRobert Matusiak
    • Uma SrinivasanEric ShraderRobert Matusiak
    • G02B26/00
    • G02B26/0825
    • A variable modulator assembly includes a deformable layer adhered to a compliant layer surface, and an n-phase electrode configuration, n>2, adhered to an opposite surface of the compliant layer. A controller is configured to selectively apply a variable signal to the selected electrodes of the electrode configuration. Application of the variable signal causes the deformable layer to reconfigure to an alternated shape having distinct peaks and valleys. The distance between the peaks and valleys being determined by the value of the applied variable signal, wherein the alternated shape travels in a preferred direction. An optical modulating method includes positioning the variable modulator assembly to receive and reflect light from a light source, monitoring the reflected light, and altering the variable signal to maintain a desired output intensity.
    • 可变调制器组件包括粘附到顺应性层表面的可变形层和粘附到柔顺层的相对表面上的n相电极构型n> 2。 控制器被配置为选择性地将可变信号施加到所选择的电极配置的电极。 可变信号的应用使可变形层重新配置成具有不同峰和谷的交替形状。 峰值和谷之间的距离由施加的可变信号的值确定,其中交替形状沿优选方向行进。 光调制方法包括定位可变调制器组件以接收和反射来自光源的光,监测反射光,以及改变可变信号以保持期望的输出强度。