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    • 12. 发明授权
    • Optical information read/write apparatus
    • 光信息读写装置
    • US5513168A
    • 1996-04-30
    • US324741
    • 1994-10-18
    • Masamichi FujihiraHiroshi MuramatsuNorio ChibaTatsuaki Ataka
    • Masamichi FujihiraHiroshi MuramatsuNorio ChibaTatsuaki Ataka
    • G01Q20/02G01Q20/04G01Q60/26G11B7/12G11B7/135G11B7/244G11B7/253G11B9/00G11B11/00H01J3/14
    • G11B7/12B82Y10/00G11B11/007G11B7/1384G11B7/244G11B7/2531G11B9/1463G01Q80/00Y10S430/146Y10S430/163
    • There is provided an optical memory medium comprising a flat plate modified on the surface thereof by a photolytic residual group, an optical recording apparatus comprising an optical probe having a microscopic aperture on the leading end thereof, a light source, X-Y-Z position control means, and a controller for controlling the apparatus as whole and an apparatus for reading the optical memory medium comprising the optical memory medium, a friction detecting probe, an X-Y-Z position control means and a controller for controlling the apparatus as a whole. Further, information is written and read with high density less than the wavelength of light using an apparatus for writing to and reading from an optical memory piezoelectric medium comprising the optical memory piezoelectric medium constituted by a piezoelectric element modified on the surface thereof by a photolytic residual group, an optical probe having a microscopic aperture on the leading end thereof, a light source, an X-Y-Z position control means, a means for measuring the resonance characteristics of the piezoelectric element and a controller for controlling the apparatus as a whole.
    • 提供了一种光学存储介质,其包括通过光解残留组在其表面上改性的平板,光学记录装置,包括在其前端具有微小孔的光学探针,光源,XYZ位置控制装置和 用于整体控制装置的控制器和用于读取包括光学存储介质的光学存储介质的装置,摩擦检测探针,XYZ位置控制装置和用于整体控制装置的控制器。 此外,使用用于写入和读取由光学存储器压电介质构成的光学存储器压电介质的装置,以比光的波长高的密度来写入和读取信息,该光存储器压电介质由其表面上由光解残留物修饰的压电元件构成 组,在其前端具有微小孔的光学探针,光源,XYZ位置控制装置,用于测量压电元件的谐振特性的装置和用于整体控制装置的控制器。
    • 20. 发明授权
    • Optical switch and optical switch device
    • 光开关和光开关器件
    • US06934440B2
    • 2005-08-23
    • US10718116
    • 2003-11-20
    • Norihiro DejimaNorio ChibaKenji KatoToshiya KuboHiromitsu NakayamaTakashi Niwa
    • Norihiro DejimaNorio ChibaKenji KatoToshiya KuboHiromitsu NakayamaTakashi Niwa
    • G02B26/08G02B6/26G02B6/35
    • G02B6/3514G02B6/262G02B6/266G02B6/3546G02B6/356G02B6/3594
    • An optical switch has at least first, second, and third optical fibers disposed generally parallel to each other and spaced at non-equal intervals in a direction substantially perpendicular to an optical axis of each of the optical fibers. The optical fibers have tip portions disposed approximately along a straight line extending in a direction substantially perpendicular to the optical axis of each of the optical fibers. A first non-movable guiding structure guides a beam of light emitted from the first optical fiber to the second optical fiber along a first optical path disposed between the tip portion of the first optical fiber and the tip portion of the second optical fiber. A second movable guiding structure guides the beam emitted from the first optical fiber to the third optical fiber along a second optical path disposed between the tip portion of the first optical fiber and the tip portion of the third optical fiber so that a length of the second optical path is substantially equal to a length of the first optical path.
    • 光学开关具有至少第一,第二和第三光纤,其大体上彼此平行地设置并且在基本上垂直于每个光纤的光轴的方向上以不等间隔隔开。 光纤具有大致沿着基本上垂直于每个光纤的光轴的方向延伸的直线设置的尖端部分。 第一非可移动引导结构沿着设置在第一光纤的末端部分和第二光纤的末端部分之间的第一光路将从第一光纤发射的光束引导到第二光纤。 第二可移动引导结构沿着设置在第一光纤的末端部分和第三光纤的末端部分之间的第二光路将从第一光纤发射的光束引导到第三光纤,使得第二光纤的长度 光路基本上等于第一光路的长度。