Langmuir-Blodgett film in an integrated electro-optical scanner
    1.
    发明授权
    Langmuir-Blodgett film in an integrated electro-optical scanner 失效
    Langmuir-Blodgett电影在一个集成的电光学扫描仪

    公开(公告)号:US5327512A

    公开(公告)日:1994-07-05

    申请号:US24716

    申请日:1993-03-01

    IPC分类号: G02F1/065 H04N1/036 G02B6/10

    摘要: A fully integrated electro-optic page-scanner comprises an optically-transparent waveguide made from an electro-optic polymer formed as a Langmuir-Blodgett film, and a linear array of electrically-addressable, spaced, parallel electrodes for selectively altering the refractive index across pixel-sized portions of the polymeric waveguide. Parallel addressing of the electrodes in accordance with the intensity pattern of a line of pixels to be recorded acts to modulate the phase front of an optical wave propagating within the waveguide in accordance with such line intensity pattern. Schlieren optics, also integrated with the page-scanner, convert the phase-front-modulated wave to an intensity-modulated pixel pattern which can be imaged onto a moving photosensitive recording element to record a two-dimensional (page) of image information. By using an electro-optic polymer formed as a Langmuir-Blodgett film as the waveguide, certain disadvantages of prior art scanning devices are eliminated.

    摘要翻译: 完全集成的电光寻像扫描器包括由形成为Langmuir-Blodgett膜的电光聚合物制成的光学透明波导和可电寻址的间隔开的平行电极的线性阵列,用于选择性地改变折射率 聚合物波导的像素大小的部分。 根据要记录的像素行的强度图案,电极的并行寻址用于根据这种线强度图案来调制在波导内传播的光波的相位前沿。 也与页面扫描仪集成的施利伦光学器件将相位前调制波转换成强度调制像素图案,其可以被成像到移动的光敏记录元件上以记录图像信息的二维(页)。 通过使用形成为Langmuir-Blodgett膜的电光聚合物作为波导,消除了现有技术的扫描装置的某些缺点。

    Blue transparent second harmonic generator
    4.
    发明授权
    Blue transparent second harmonic generator 失效
    蓝色透明二次谐波发生器

    公开(公告)号:US5247602A

    公开(公告)日:1993-09-21

    申请号:US914163

    申请日:1992-07-14

    IPC分类号: G02F1/065 G02F1/361 G02F1/377

    摘要: An optical article is disclosed comprised of a support including a portion adjacent one major surface which is transparent to the electromagnetic radiation sought to be propagated, an organic layer unit capable of converting a portion of polarized electromagnetic radiation of a selected wavelength to its second harmonic wavelength, means for optically coupling into said organic layer unit polarized electromagnetic radiation of a selected wavelength in its zero order transverse magnetic mode, and means for receiving from the layer unit a portion of the electromagnetic radiation in the form of a first order transverse magnetic mode. The organic layer unit has a thickness which is at least 70 percent cf the wavelength of the zero order transverse magnetic mode and differs by less than 100 .ANG. from the thickness required for identical propagation constants of the zero and first order transverse magnetic modes. The organic layer unit is comprised of a Y-type Langmuir-Blodgett assembly of amphiphiles forming a first Langmuir Blodgett layer unit containing noncentrosymmetric organic molecular dipoles of a first orientation providing a second order polarization susceptibility to the first layer unit in excess of 10.sup.-9 electrostatic units, and a Y-type Langmuir-Blodgett assembly of amphiphiles forming a second Langmuir-Blodgett layer unit adapted to be coated on the first Langmuir-Blodgett layer unit containing noncentro-symmetric organic molecular dipoles of a second orientation providing a second order polarization susceptibility to the second layer unit in excess of 10.sup.-9 electrostatic units, but of opposite sign to that of the first layer unit.

    摘要翻译: 公开了一种光学制品,其包括支撑件,该支撑件包括邻近被试传播的电磁辐射透明的一个主表面的部分,能够将所选波长的偏振电磁辐射的一部分转换成其二次谐波波长的有机层单元 用于以其零级横向磁模式光学耦合到选定波长的有机层单元极化电磁辐射的装置,以及用于从层单元接收一阶横向磁模式形式的电磁辐射的一部分的装置。 有机层单元的厚度至少为零级横向磁模的波长的70%,并且与零和一级横向磁模的相同传播常数所需的厚度相差小于100安培。 有机层单元由形成第一Langmuir Blodgett层单元的Y型Langmuir-Blodgett组件组成,其包含第一取向的非中心对称有机分子偶极子,其提供超过10-9的第一层单元的二阶极化敏感性 静电单元和形成第二Langmuir-Blodgett层单元的Y型Langmuir-Blodgett组件,其适于涂覆在第一Langmuir-Blodgett层单元上,所述第一Langmuir-Blodgett层单元包含提供二阶极化的第二取向的非对称有机分子偶极子 对第二层单元的敏感性超过10-9静电单位,但与第一层单元的相反。

    Conversion efficiency second harmonic generator
    5.
    发明授权
    Conversion efficiency second harmonic generator 失效
    转换效率二次谐波发生器

    公开(公告)号:US5150446A

    公开(公告)日:1992-09-22

    申请号:US760436

    申请日:1991-09-16

    摘要: An optical article is disclosed comprised of a support including a portion adjacent one major surface which is transparent to the electromagnetic radiation sought to be propagated, an organic layer unit capable of converting a portion of polarized electromagnetic radiation of a selected wavelength to its second harmonic wavelength, means for optically coupling into said organic layer unit polarized electromagnetic radiation of a selected wavelength in its zero order transverse magnetic mode, and means for receiving from the layer unit a portion of the electromagnetic radiation in the form of a first order transverse magnetic mode. The organic layer unit has a thickness which is at least 70 percent of the wavelength of the zero order transverse magnetic mode and differs by less than 100.ANG. from the thickness required for identical propagation constants of the zero and first order transverse magnetic modes. The organic layer unit is comprised of a Y-type Langmuir-Blodgett assembly of amphiphiles forming a first Langmuir-Blodgett layer unit containing noncentrosymmetric organic molecular dipoles of a first orientation providing a second order polarization susceptibility to the first layer unit in excess of 10.sup.-9 electrostatic units, and a Y-type Langmuir-Blodgett assembly of amphiphiles forming a second Langmuir-Blodgett layer unit adapted to be coated on the first Langmuir-Blodgett layer unit containing noncentro-symmetric organic molecular dipoles of a second orientation providing a second order polarization susceptibility to the second layer unit in excess of 10.sup.-9 electrostatic units, but of opposite sign to that of the first layer unit.

    Transparent optical article exhibiting high second order polarization
susceptibility and low transmission attenuation
    6.
    发明授权
    Transparent optical article exhibiting high second order polarization susceptibility and low transmission attenuation 失效
    具有高二阶极化敏感性和低透射衰减的透明光学制品

    公开(公告)号:US5272002A

    公开(公告)日:1993-12-21

    申请号:US913569

    申请日:1992-07-14

    IPC分类号: G02F1/361 C08F220/34 B05D1/20

    摘要: An optical article is disclosed comprised of an organic layer unit exhibiting a second order polarization susceptibility greater than 10.sup.-9 esu and means for providing an optical input to and an optical output from the layer unit. The organic layer unit exhibits a transmission attenuation of less than 2 dB/cm and is comprised of a Y type Langmuir-Blodgett assembly having superimposed oriented monomolecular layers of first and second polymeric amphiphiles each containing repeating units comprised of a hydrophilic moiety and a lipophilic moiety. Repeating units of one or both of the first and second amphiphiles each contain an organic molecular dipole, and repeating units of one or both of the first and second amphiphiles each contains a branched lipophilic moiety of up to 9 carbon atoms.

    摘要翻译: 公开了一种光学制品,其包括表现出大于10-9埃的二阶极化敏感度的有机层单元,以及用于向层单元提供光输入和光输出的装置。 有机层单元具有小于2dB / cm的透射衰减,并且包括Y型Langmuir-Blodgett组件,其具有第一和第二聚合物两亲物的重叠取向单分子层,每个含有由亲水部分和亲油部分组成的重复单元 。 第一和第二两亲物中的一个或两个的重复单元各自含有有机分子偶极子,第一和第二两亲物中的一个或两个的重复单元各自含有多达9个碳原子的支链亲油部分。

    Integrated electro-optical scanner with photoconductive substrate
    7.
    发明授权
    Integrated electro-optical scanner with photoconductive substrate 失效
    集成光电扫描仪,带光导基板

    公开(公告)号:US5093874A

    公开(公告)日:1992-03-03

    申请号:US678486

    申请日:1991-04-01

    IPC分类号: G02B6/12 G02F1/065 G02F1/295

    摘要: A fully integrated electro-optic page-scanner comprises an optically transparent waveguide made from an electro-optic polymer, and an electrode structure including a linear array of electrically-addressable, spaced, parallel electrodes for selectively altering the refractive index across pixel-sized portions of the polymeric waveguide. According to the invention, the addressable electrodes are disposed on a photoconductive substrate which facilitates poling of the polymer waveguide to rander it electro-optic in nature. During the poling process, the photoconductive substrate is made electrically conductive by flood illumination, while a uniform electric field is established between the substrate and a transparent electrode which overlies the waveguide layer, opposite the addressable electrodes. Preferably, the photoconductive substrate comprises undoped silicon which enables certain electrode-addressing circuitry to be integrated within the scanner structure.

    摘要翻译: 完全集成的电光寻像扫描器包括由电光聚合物制成的光学透明波导,以及包括电可寻址,间隔开的平行电极的线性阵列的电极结构,用于选择性地改变穿过像素尺寸部分的折射率 的聚合物波导。 根据本发明,可寻址电极设置在光电导基板上,其有利于聚合物波导的极化,从而将光电性质放在其上。 在极化过程中,通过泛光照明使感光基板导电,同时在衬底和覆盖波导层的透明电极之间建立均匀的电场,与可寻址电极相对。 优选地,光导基板包括未掺杂的硅,其使得某些电极寻址电路能够集成在扫描器结构内。

    Integrated electro-optical scanner
    8.
    发明授权
    Integrated electro-optical scanner 失效
    集成电光扫描仪

    公开(公告)号:US5052771A

    公开(公告)日:1991-10-01

    申请号:US632195

    申请日:1990-12-21

    摘要: A fully integrated electro-optic page-scanner comprises an optically-transparent waveguide made from an electro-optic polymer, and a linear array of electrically-addressable, spaced, parallel electrodes for selectively altering the refractive index across pixel-sized portions of the polymeric waveguide. Parallel addressing of the electrodes in accordance with the intensity pattern of a line of pixels to be recorded acts to modulate the phase front of an optical wave propagating within the waveguide in accordance with such line intensity pattern. Schlieren optics, also integrated with the page-scanner, convert the phase-front-modulated wave to an intensity-modulated pixel pattern which can be imaged onto a moving photosensitive recording element to record a two-dimensional (page) of image information. By using an electro-optic polymer as the waveguide, certain disadvantages of prior art scanning devices are eliminated.

    摘要翻译: 完全集成的电光寻像扫描器包括由电光聚合物制成的光学透明波导和可电寻址的间隔开的平行电极的线性阵列,用于选择性地改变聚合物的像素尺寸部分的折射率 波导。 根据要记录的像素行的强度图案,电极的并行寻址用于根据这种线强度图案来调制在波导内传播的光波的相位前沿。 也与页面扫描仪集成的施利伦光学器件将相位前调制波转换成强度调制像素图案,其可以被成像到移动的光敏记录元件上以记录图像信息的二维(页)。 通过使用电光聚合物作为波导,消除了现有技术的扫描装置的某些缺点。