Integrated frequency conversion and scanner
    1.
    发明授权
    Integrated frequency conversion and scanner 失效
    集成变频和扫描仪

    公开(公告)号:US5714240A

    公开(公告)日:1998-02-03

    申请号:US645973

    申请日:1996-05-14

    IPC分类号: G02F1/295 G02F1/377 B32B9/00

    摘要: An integrated frequency conversion and scanner for converting the frequency of an input light beam and deflecting the converted light beam through an electronically controlled angle is disclosed. This structure includes an electrooptic crystal including a region formed for converting the frequency of the input light to a higher frequency; and a field changing structure associated with selected regions of the crystal arranged so that an electric field is created at least partially within the crystal to change its refractive index to thereby deflect the converted light beam through an electronically controlled angle.

    摘要翻译: 公开了一种用于转换输入光束的频率并通过电子控制的角度使转换的光束偏转的集成频率转换和扫描器。 该结构包括电光晶体,其包括形成的用于将输入光的频率转换为较高频率的区域; 以及与晶体的选定区域相关联的场改变结构,其布置成使得至少部分地在晶体内产生电场以改变其折射率,从而使经转换的光束通过电子控制的角度偏转。

    Two-dimensional beam scanner
    5.
    发明授权
    Two-dimensional beam scanner 有权
    二维光束扫描仪

    公开(公告)号:US06480323B1

    公开(公告)日:2002-11-12

    申请号:US09216472

    申请日:1998-12-18

    IPC分类号: G02B2608

    CPC分类号: G02B26/10

    摘要: A device that includes a projection element positioned between first and second beam scanners configured in series and a two-dimensional display plane. An apparatus for controlling the first and second beam scanners is provided so that the angle of incidence and the point of incidence of a beam output from the series connected beam scanners onto the projection element are controlled. In that manner, each point on the projection element can be mapped to a line in the display plane. A method of mapping a point in the projection element to a line in the display plane is also disclosed.

    摘要翻译: 一种装置,其包括位于串联配置的第一和第二光束扫描器之间的投影元件和二维显示平面。 提供一种用于控制第一和第二光束扫描器的装置,以便控制从串联连接的光束扫描器输出到投影元件上的光束的入射角和入射点。 以这种方式,投影元件上的每个点可以映射到显示平面中的一行。 还公开了将投影元件中的点映射到显示平面中的线的方法。

    Method for surface passivation and protection of cadmium zinc telluride
crystals
    7.
    发明授权
    Method for surface passivation and protection of cadmium zinc telluride crystals 失效
    碲化锌晶体的表面钝化和保护方法

    公开(公告)号:US6043106A

    公开(公告)日:2000-03-28

    申请号:US118691

    申请日:1998-07-16

    IPC分类号: H01L21/465 C23F1/00

    CPC分类号: H01L21/465

    摘要: A method for reducing the leakage current in CZT crystals, particularly Cd.sub.1-x Zn.sub.x Te crystals (where x is greater than equal to zero and less than or equal to 0.5), and preferably Cd.sub.0.9 Zn.sub.0.1 Te crystals, thereby enhancing the ability of these crystal to spectrally resolve radiological emissions from a wide variety of radionuclides. Two processes are disclosed. The first method provides for depositing, via reactive sputtering, a silicon nitride hard-coat overlayer which provides significant reduction in surface leakage currents. The second method enhances the passivation by oxidizing the CZT surface with an oxygen plasma prior to silicon nitride deposition without breaking the vacuum state.

    摘要翻译: 一种降低CZT晶体,特别是Cd1-xZnxTe晶体(其中x大于等于零且小于或等于0.5)的漏电流的方法,优选为Cd0.9Zn0.1Te晶体,从而提高了这些晶体的能力 光谱地解决各种放射性核素的放射性排放。 公开了两个过程。 第一种方法提供了通过反应溅射沉积氮化硅硬涂层覆盖层,其提供了显着降低的表面泄漏电流。 第二种方法通过在氮化硅沉积之前用氧等离子体氧化CZT表面而不破坏真空状态来增强钝化。

    Electrooptic device for scanning using domain reversed regions
    8.
    发明授权
    Electrooptic device for scanning using domain reversed regions 失效
    电光装置用于扫描域反转区域

    公开(公告)号:US5317446A

    公开(公告)日:1994-05-31

    申请号:US953460

    申请日:1992-09-29

    IPC分类号: G02F1/29 G02B1/32

    CPC分类号: G02F1/292

    摘要: A scanning device having: (i) an electrooptic planar waveguide or bulk material capable of propagating light beams with minimum beam distortion, (ii) an electrooptic prism array defined on said electrooptic planar waveguide or bulk material, comprised of at least one pair of antiparallel-poled ferroelectric domain regions and, (iii) control means to apply a spatially uniform electric field throughout said electrooptic prism array using a pair of electrically-addressable continuous electrodes, so as to induce an electrically-controlled deflection to a light beam propagating through the device.

    摘要翻译: 一种扫描装置,具有:(i)能够传播具有最小光束失真的光束的电光平面波导或体材料,(ii)限定在所述电光平面波导或体材料上的电光棱镜阵列,包括至少一对反平行 并且(iii)控制装置,使用一对可电寻址的连续电极在所述电光棱镜阵列中施加空间均匀的电场,以便对通过所述电光学域的区域传播的光束产生电控偏转 设备。

    Electrodrift purification of materials for room temperature radiation
detectors
    9.
    发明授权
    Electrodrift purification of materials for room temperature radiation detectors 失效
    室内辐射探测器材料的电致发光净化

    公开(公告)号:US5641392A

    公开(公告)日:1997-06-24

    申请号:US504001

    申请日:1995-07-19

    CPC分类号: C01G15/00 C01G13/04 C01G21/16

    摘要: A method of purifying nonmetallic, crystalline semiconducting materials useful for room temperature radiation detecting devices by applying an electric field across the material. The present invention discloses a simple technology for producing purified ionic semiconducting materials, in particular PbI.sub.2 and preferably HgI.sub.2, which produces high yields of purified product, requires minimal handling of the material thereby reducing the possibility of introducing or reintroducing impurities into the material, is easy to control, is highly selective for impurities, retains the stoichiometry of the material and employs neither high temperatures nor hazardous materials such as solvents or liquid metals. An electric field is applied to a bulk sample of the material causing impurities present in the sample to drift in a preferred direction. After all of the impurities have been transported to the ends of the sample the current flowing through the sample, a measure of the rate of transport of mobile impurities, falls to a low, steady state value, at which time the end sections of the sample where the impurities have concentrated are removed leaving a bulk sample of higher purity material. Because the method disclosed here only acts on the electrically active impurities, the stoichiometry of the host material remains substantially unaffected.

    摘要翻译: 一种通过在整个材料上施加电场来净化用于室温辐射检测装置的非金属,晶体半导体材料的方法。 本发明公开了一种用于生产纯化的离子半导体材料的简单技术,特别是产生高产率的纯化产物的PbI 2,优选HgI 2,需要对材料进行最少的处理,从而减少将杂质引入或再引入材料的可能性是容易的 为了控制,对杂质是高选择性的,保留了材料的化学计量,既不使用高温也不使用有害物质,如溶剂或液态金属。 将电场施加到材料的大量样品,导致样品中存在的杂质沿优选的方向漂移。 在将所有杂质运送到样品的末端之后,流过样品的电流(移动杂质的运输速率的量度)降至低的稳态值,此时样品的末端部分 其中杂质浓缩的物质被除去,留下较高纯度材料的大量样品。 因为这里公开的方法仅作用于电活性杂质,所以主体材料的化学计量基本上不受影响。

    COUPLED PLASMONIC WAVEGUIDES AND ASSOCIATED APPARATUSES AND METHODS
    10.
    发明申请
    COUPLED PLASMONIC WAVEGUIDES AND ASSOCIATED APPARATUSES AND METHODS 审中-公开
    耦合等离子体波及其相关设备和方法

    公开(公告)号:US20110280515A1

    公开(公告)日:2011-11-17

    申请号:US12780207

    申请日:2010-05-14

    IPC分类号: G02B6/42

    摘要: An apparatus and corresponding method in which the apparatus includes a dielectric waveguide and a metallic waveguide. The dielectric waveguide has an effective mode index and a longitudinal dimension. The metallic waveguide has a longitudinal dimension and supports a surface plasmonic mode of propagation for a wavelength lambda. The metallic waveguide and the dielectric waveguide are adjacent to each other and overlap each other by a length along the longitudinal dimensions of both the dielectric waveguide and the metallic waveguide, wherein the length is greater than the wavelength lambda in the metallic waveguide. The metallic waveguide is coupled to the dielectric waveguide where the metallic waveguide and the dielectric waveguide overlap each other.

    摘要翻译: 一种装置和相应的方法,其中所述装置包括电介质波导和金属波导。 电介质波导具有有效模式指数和纵向尺寸。 金属波导具有纵向尺寸并且支持波长λ的表面等离子体传播模式。 金属波导和介质波导彼此相邻并且沿着电介质波导和金属波导的纵向尺寸彼此重叠,其中该长度大于金属波导中的波长λ。 金属波导耦合到电介质波导,其中金属波导和电介质波导彼此重叠。