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    Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
    31.
    发明申请
    Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion 审中-公开
    使用虚拟成像的相控阵列产生色散的光学装置

    公开(公告)号：US20050219704A1

    公开(公告)日：2005-10-06

    申请号：US11129363

    申请日：2005-05-16

    申请人： Masataka Shirasaki ,  Simon Cao

    发明人： Masataka Shirasaki ,  Simon Cao

    IPC分类号： G02B5/10 ,  G02B6/34 ,  G02B27/00 ,  G02B27/14 ,  G02B27/52 ,  H04B10/18

    CPC分类号： G02B27/144 ,  G02B6/29311 ,  G02B6/29358 ,  G02B6/29361 ,  G02B6/29392 ,  G02B6/29394 ,  G02B6/29395 ,  G02B27/0087 ,  G02B27/1006 ,  G02B27/106 ,  G02B27/1073 ,  G02B27/1086 ,  G02B27/126 ,  G02B27/145 ,  G02B27/148 ,  G02B27/52 ,  H04B10/25133

    摘要： An optical apparatus for producing chromatic dispersion. The apparatus includes a virtually imaged phased array (VIPA) generator, a mirror and a lens. The VIPA generator receives an input light at a respective wavelength and produces a corresponding collimated output light traveling from the VIPA generator in a direction determined by the wavelength of the input light, the output light thereby being spatially distinguishable from an output light produced for an input light at a different wavelength. The mirror has a cone shape, or a modified cone shape. The lens focuses the output light traveling from the VIPA generator onto the mirror so that the mirror reflects the output light. The reflected light is directed by the lens back to the VIPA generator. In this manner, the apparatus provides chromatic dispersion to the input light. The modified cone shape of the mirror can be designed so that the apparatus provides a uniform chromatic dispersion to light in the same channel of a wavelength division multiplexed light. The mirror can be moved in a direction perpendicular to an angular dispersion direction of the VIPA generator, to change the amount of chromatic dispersion provided to the input light.

    摘要翻译： 一种用于产生色散的光学装置。 该装置包括虚拟成像的相控阵（VIPA）发生器，反射镜和透镜。 VIPA发生器接收相应波长的输入光，并产生从VIPA发生器沿由输入光的波长确定的方向行进的对准的准直输出光，从而与输入光产生的输出光在空间上区别开 在不同波长的光。 镜子有一个锥形或一个改锥形。 透镜将从VIPA发生器传播的输出光聚焦到镜子上，使镜子反射出输出光。 反射光被透镜引导回到VIPA发生器。 以这种方式，该装置向输入光提供色散。 反射镜的修改锥形可以被设计成使得该装置对波分复用光的相同通道中的光提供均匀的色散。 反射镜可以在与VIPA发生器的角度分散方向垂直的方向上移动，以改变提供给输入光的色散量。

    Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
    34.
    发明授权
    Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion 失效
    使用虚拟成像的相控阵列产生色散的光学装置

    公开(公告)号：US06786611B2

    公开(公告)日：2004-09-07

    申请号：US10252389

    申请日：2002-09-24

    申请人： Simon Xiaofan Cao ,  Masataka Shirasaki

    发明人： Simon Xiaofan Cao ,  Masataka Shirasaki

    IPC分类号： G02B510

    CPC分类号： G02B27/148 ,  G02B6/2931 ,  G02B6/29311 ,  G02B6/29358 ,  G02B6/29361 ,  G02B6/29392 ,  G02B6/29394 ,  G02B6/29395 ,  G02B27/0087 ,  G02B27/1006 ,  G02B27/106 ,  G02B27/1073 ,  G02B27/1086 ,  G02B27/126 ,  G02B27/144 ,  G02B27/145 ,  G02B27/147 ,  H04B10/25133

    摘要： Various configurations of a virtually imaged phased array (VIPA) generator in combination with a mirror to compensate for chromatic dispersion. A VIPA generator produces a light traveling from the VIPA generator. In some embodiments, a variable curvature mirror is positioned to reflect the light back to the VIPA generator. A rotation axis around which the mirror is rotated and a translation path for the rotation axis are provided, to change the curvature of the mirror where the output light is reflected. In other embodiments, a plurality of mirrors have different surface curvatures. A holder has a rotation axis and holds the plurality of mirrors equidistantly from the rotation axis. The holder is rotatable around the rotation axis to bring a different, respective mirror in position to reflect light produced by a VIPA generator back to the VIPA generator. In other embodiments, a rotating mirror is rotatable about a rotation axis to reflect light produced by a VIPA generator to a respective fixed mirror. In still other embodiments, an off-axis parabolic mirror is rotatable about a rotation axis to reflect light produced by a VIPA generator to a respective fixed mirror.

    摘要翻译： 虚拟成像的相控阵（VIPA）发生器与反射镜组合以补偿色散的各种配置。 VIPA发电机产生从VIPA发电机运行的光。 在一些实施例中，可变曲率镜被定位成将光反射回VIPA发生器。 提供反射镜绕其旋转的旋转轴线和用于旋转轴线的平移路径，以改变反射镜的输出光反射的曲率。 在其他实施例中，多个反射镜具有不同的表面曲率。 保持器具有旋转轴线并且将多个反射镜从旋转轴线等距离地保持。 保持器可围绕旋转轴线旋转以使不同的相应反射镜处于适当位置，以将由VIPA发生器产生的光反射回VIPA发生器。 在其他实施例中，旋转镜可围绕旋转轴线旋转，以将由VIPA发生器产生的光反射到相应的固定镜。 在另外的其它实施例中，离轴抛物面镜可围绕旋转轴线旋转，以将由VIPA发生器产生的光反射到相应的固定镜。

    Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
    36.
    发明授权
    Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion 有权
    使用虚拟成像的相控阵列产生色散的光学装置

    公开(公告)号：US06471361B2

    公开(公告)日：2002-10-29

    申请号：US10083507

    申请日：2002-02-27

    申请人： Masataka Shirasaki ,  Simon Cao

    发明人： Masataka Shirasaki ,  Simon Cao

    IPC分类号： G02B510

    CPC分类号： G02B27/144 ,  G02B6/29311 ,  G02B6/29358 ,  G02B6/29361 ,  G02B6/29392 ,  G02B6/29394 ,  G02B6/29395 ,  G02B27/0087 ,  G02B27/1006 ,  G02B27/106 ,  G02B27/1073 ,  G02B27/1086 ,  G02B27/126 ,  G02B27/145 ,  G02B27/148 ,  G02B27/52 ,  H04B10/25133

    摘要： An optical apparatus for producing chromatic dispersion. The apparatus includes a virtually imaged phased array (VIPA) generator, a mirror and a lens. The VIPA generator receives an input light at a respective wavelength and produces a corresponding collimated output light traveling from the VIPA generator in a direction determined by the wavelength of the input light, the output light thereby being spatially distinguishable from an output light produced for an input light at a different wavelength. The mirror has a cone shape, or a modified cone shape. The lens focuses the output light traveling from the VIPA generator onto the mirror so that the mirror reflects the output light. The reflected light is directed by the lens back to the VIPA generator. In this manner, the: apparatus provides chromatic dispersion to the input light. The modified cone shape of the mirror can be designed so that the apparatus provides a uniform chromatic dispersion to light in the. same channel of a wavelength division multiplexed light. The mirror can be moved in a direction perpendicular to an angular dispersion direction of the VIPA generator, to change the amount of chromatic dispersion provided to the input light.

    摘要翻译： 一种用于产生色散的光学装置。 该装置包括虚拟成像的相控阵（VIPA）发生器，反射镜和透镜。 VIPA发生器接收相应波长的输入光，并产生从VIPA发生器沿由输入光的波长确定的方向行进的对准的准直输出光，从而与输入光产生的输出光在空间上区别开 在不同波长的光。 镜子有一个锥形或一个改锥形。 透镜将从VIPA发生器传播的输出光聚焦到镜子上，使镜子反射出输出光。 反射光被透镜引导回到VIPA发生器。 以这种方式，设备向输入光提供色散。 反射镜的变形锥体形状可以被设计成使得该装置为光线提供均匀的色散。 相同通道的波分复用光。 反射镜可以在与VIPA发生器的角度分散方向垂直的方向上移动，以改变提供给输入光的色散量。

    Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile
    37.
    发明授权
    Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile 有权
    具有改变反射率表面的几乎成像的相控阵列（VIPA）以改善光束轮廓

    公开(公告)号：US06304382B1

    公开(公告)日：2001-10-16

    申请号：US09431206

    申请日：1999-11-01

    申请人： Masataka Shirasaki ,  Simon Cao

    发明人： Masataka Shirasaki ,  Simon Cao

    IPC分类号： G02B2700

    CPC分类号： G02B26/06 ,  G02B6/29358 ,  G02B6/2938 ,  G02B6/29392 ,  G02B27/0025 ,  G02B27/106 ,  G02B27/144 ,  G02B27/145 ,  H04B10/25133

    摘要： A virtually imaged phased array (VIPA) operating as a wavelength splitter to separate individual carriers from a wavelength division multiplexed (WDM) light. The VIPA has first and second surfaces. The second surface has a reflectivity which causes a portion of light incident thereon to be transmitted therethrough. The VIPA receives an input light at a respective wavelength within a continuous range of wavelengths. The first and second surfaces are positioned so that the input light is reflected a plurality of times between the first and second surfaces to cause a plurality of lights to be transmitted through the second surface. The plurality of transmitted lights interfere with each other to produce an output light which is spatially distinguishable from an output light produced for an input light having any other wavelength within the continuous range of wavelengths. The reflectivity of the second surface varies along the second surface so that the output light has a desired beam profile, such as an approximately symmetric beam profile, along the second surface. A phase adjustment buffer layer can be provided to cause the lights reflected from the second surface to the first surface to have a uniform optical phase along the second surface. Further, a phase adjustment layer can be provided to cause the plurality of transmitted lights to have a uniform optical phase along the second surface.

    摘要翻译： 用作波长分离器的虚拟成像的相控阵列（VIPA），用于将各个载波与波分复用（WDM）光分离。 VIPA有第一和第二表面。 第二表面具有使入射到其上的光的一部分透射的反射率。 VIPA在连续的波长范围内接收各波长的输入光。 第一和第二表面被定位成使得输入光在第一和第二表面之间反复多次，以使多个光透过第二表面。 多个透射光彼此干涉以产生与在连续波长范围内具有任何其它波长的输入光产生的输出光在空间上可区分的输出光。 第二表面的反射率沿着第二表面变化，使得输出光沿着第二表面具有期望的光束轮廓，例如近似对称的光束轮廓。 可以提供相位调整缓冲层，以使从第二表面到第一表面反射的光沿着第二表面具有均匀的光学相位。 此外，可以设置相位调整层以使多个透射光沿着第二表面具有均匀的光学相位。

    Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile
    38.
    发明授权
    Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile 失效
    具有改变反射率表面的几乎成像的相控阵列（VIPA）以改善光束轮廓

    公开(公告)号：US6028706A

    公开(公告)日：2000-02-22

    申请号：US114071

    申请日：1998-07-13

    申请人： Masataka Shirasaki ,  Simon Cao

    发明人： Masataka Shirasaki ,  Simon Cao

    IPC分类号： G02B6/34 ,  G02B26/06 ,  G02B27/00 ,  G02B27/10 ,  H04B10/18 ,  G02B5/04

    CPC分类号： G02B26/06 ,  G02B27/0025 ,  G02B27/106 ,  G02B27/144 ,  G02B27/145 ,  G02B6/29358 ,  G02B6/2938 ,  G02B6/29392 ,  H04B10/25133

    摘要： A virtually imaged phased array (VIPA) operating as a wavelength splitter to separate individual carriers from a wavelength division multiplexed (WDM) light. The VIPA has first and second surfaces. The second surface has a reflectivity which causes a portion of light incident thereon to be transmitted therethrough. The VIPA receives an input light at a respective wavelength within a continuous range of wavelengths. The first and second surfaces are positioned so that the input light is reflected a plurality of times between the first and second surfaces to cause a plurality of lights to be transmitted through the second surface. The plurality of transmitted lights interfere with each other to produce an output light which is spatially distinguishable from an output light produced for an input light having any other wavelength within the continuous range of wavelengths. The reflectivity of the second surface varies along the second surface so that the output light has a desired beam profile, such as an approximately symmetric beam profile, along the second surface. A phase adjustment buffer layer can be provided to cause the lights reflected from the second surface to the first surface to have a uniform optical phase along the second surface. Further, a phase adjustment layer can be provided to cause the plurality of transmitted lights to have a uniform optical phase along the second surface.

    摘要翻译： 用作波长分离器的虚拟成像的相控阵列（VIPA），用于将各个载波与波分复用（WDM）光分离。 VIPA有第一和第二表面。 第二表面具有使入射到其上的光的一部分透射的反射率。 VIPA在连续的波长范围内接收各波长的输入光。 第一和第二表面被定位成使得输入光在第一和第二表面之间反复多次，以使多个光透过第二表面。 多个透射光彼此干涉以产生与在连续波长范围内具有任何其它波长的输入光产生的输出光在空间上可区分的输出光。 第二表面的反射率沿着第二表面变化，使得输出光沿着第二表面具有期望的光束轮廓，例如近似对称的光束轮廓。 可以提供相位调整缓冲层，以使从第二表面到第一表面反射的光沿着第二表面具有均匀的光学相位。 此外，可以设置相位调整层以使多个透射光沿着第二表面具有均匀的光学相位。

    Optical device
    39.
    发明授权
    Optical device 失效
    光学装置

    公开(公告)号：US5982539A

    公开(公告)日：1999-11-09

    申请号：US807280

    申请日：1997-02-28

    申请人： Masataka Shirasaki

    发明人： Masataka Shirasaki

    IPC分类号： G02B27/28 ,  G02F1/09 ,  G02F1/31 ,  G02B5/30

    CPC分类号： G02F1/093 ,  G02F1/31

    摘要： Light input from a first optical fiber is split up into two orthogonally-polarized beams by a polarizing prism. Their polarization planes are rotated by a 45-degree Faraday rotator. The beams are refracted by a birefringent wedge as extraordinary light, and finally output to a fourth optical fiber. The light output from the fourth optical fiber is refracted by a birefringent wedge as ordinary light, and enters a second optical fiber. Similarly, the light from the second optical fiber is led to a third optical fiber, thereby implementing a capability of an optical circulator. Light output from the first optical fiber can be input to the third optical fiber by inverting a rotation angle of the 45-degree Faraday rotator. As a result, it serves as a magneto-optical switch.

    摘要翻译： 来自第一光纤的光输入由偏振棱镜分成两个正交偏振光束。 它们的极化平面由45度法拉第旋转器旋转。 光束被作为非常光的双折射楔折射，最后输出到第四光纤。 来自第四光纤的光输出由作为普通光的双折射楔折射，并进入第二光纤。 类似地，来自第二光纤的光被引导到第三光纤，由此实现光循环器的能力。 可以通过反转45度法拉第旋转器的旋转角度将来自第一光纤的光输出输入到第三光纤。 结果，它用作磁光开关。

    Compensator which experiences thermal expansion to compensate for changes in optical distance through a transparent material
    40.
    发明授权
    Compensator which experiences thermal expansion to compensate for changes in optical distance through a transparent material 失效
    补偿器经历热膨胀以补偿通过透明材料的光学距离的变化

    公开(公告)号：US5982488A

    公开(公告)日：1999-11-09

    申请号：US806856

    申请日：1997-02-26

    申请人： Masataka Shirasaki

    发明人： Masataka Shirasaki

    IPC分类号： G01B9/02 ,  G01J1/04 ,  G02B5/00 ,  G02B5/28

    CPC分类号： G02B7/008 ,  G02B6/29358 ,  G02B6/29398

    摘要： An apparatus which includes a transparent material and a compensator. Light travels through the transparent material for an optical distance. The compensator is attached to the transparent material and experiences thermal expansion which deforms the transparent material to reduce changes in the optical distance caused by changes in temperature of the transparent material. The optical distance is defined as a product of the refractive index of the transparent material and the physical length of an optical path travelled by the light through the transparent material. Preferably, the compensator reduces changes in the optical distance so that the optical distance is maintained to be approximately constant.

    摘要翻译： 一种包括透明材料和补偿器的装置。 光穿过透明材料进行光学距离。 补偿器附着在透明材料上并经历热膨胀，使得透明材料变形，以减少透明材料温度变化引起的光学距离变化。 光学距离被定义为透明材料的折射率与通过透明材料的光行进的光路的物理长度的乘积。 优选地，补偿器减小光学距离的变化，使得光学距离保持近似恒定。