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    • 3. 发明授权
    • Grating trim retarders
    • 光栅减速器
    • US08164721B2
    • 2012-04-24
    • US11591623
    • 2006-11-01
    • Kim L. TanKaren D. HendrixCharles A. HulseCurtis R. Hruska
    • Kim L. TanKaren D. HendrixCharles A. HulseCurtis R. Hruska
    • G02F1/1335
    • G02B5/3083G02B5/3058G02F1/133634H04N9/3167
    • A grating trim retarder fabricated from a form-birefringent multi-layer dielectric stack including at least one anti-reflection coating and supported on a transparent substrate is provided. The form-birefringent dielectric stack includes an axially-inhomogeneous element in the form of a −C-plate grating and a transversely-inhomogeneous element in the form of an A-plate grating. Each of the −C-plate and the A-plate gratings are fabricated with dimensions to form a zeroth order sub-wavelength grating structure. Fabricating the grating trim retarder with anti-reflection coatings and/or a segment where the −C-plate and A-plate grating overlap enables the in-plane and out-of-plane retardances to be tailored independently according to the desired application.
    • 提供了由包括至少一个抗反射涂层并且支撑在透明基板上的双折射多层电介质叠层制造的光栅修整延迟器。 形式双折射介质堆叠包括呈-C板格栅形式的轴向不均匀元件和A板格栅形式的横向不均匀的元件。 -C板和A板光栅中的每一个被制造成具有尺寸以形成零级亚波长光栅结构。 制造具有抗反射涂层和/或-C板和A板光栅重叠的光栅调整缓速器可以根据所需的应用独立地调整平面内和平面外的延迟。
    • 5. 发明授权
    • Extrinsically athermalized optical filter devices
    • 外部非热化滤光器件
    • US06707609B2
    • 2004-03-16
    • US09815916
    • 2001-03-23
    • Richard J. RyallCharles A. HulseAndrew T. TaylorRichard Ian Seddon
    • Richard J. RyallCharles A. HulseAndrew T. TaylorRichard Ian Seddon
    • G02B2600
    • G02B6/2937G02B6/29389G02B6/29398Y10S359/90
    • A thermally stabilized optical filter device includes a multilayer optical bandpass filter on a transparent substrate, with the transparent substrate being composed of a material having a first coefficient of thermal expansion. An encasement surrounds the transparent substrate such that the bandpass filter is exposed for transmission of predetermined optical wavelengths there through. The encasement is composed of a material having a second coefficient of thermal expansion that is different than the first coefficient of thermal expansion. The encasement provides thermal stability to the optical properties of the bandpass filter by compensating for changes in the filter that occur with temperature variations. In another embodiment, a collet assembly provides means for selectively compressing a filter chip to tune the filter response.
    • 热稳定型滤光器件包括在透明基板上的多层光学带通滤光器,透明基板由具有第一热膨胀系数的材料构成。 包围环绕透明基板,使得带通滤波器暴露以通过其中的预定光波长的透射。 外壳由具有与第一热膨胀系数不同的第二热膨胀系数的材料构成。 该封装通过补偿随温度变化而发生的滤波器的变化,为带通滤波器的光学特性提供热稳定性。 在另一个实施例中,夹头组件提供用于选择性地压缩过滤芯片以调节过滤器响应的装置。