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1. 发明授权

US06834027B1 Surface plasmon-enhanced read/write heads for optical data storage media 失效
标题翻译：用于光学数据存储介质的表面等离子体增强型读/写头
公开(公告)号：US06834027B1
公开(公告)日：2004-12-21
申请号：US09721694
申请日：2000-11-27
申请人： Mitsuhito Sakaguchi , Tineke Thio , Richard A. Linke , Thomas W. Ebbesen , Henri J. Lezec
发明人： Mitsuhito Sakaguchi , Tineke Thio , Richard A. Linke , Thomas W. Ebbesen , Henri J. Lezec
IPC分类号： G11B1100
CPC分类号： G11B7/1353 , B82Y10/00 , G02B5/008 , G11B7/124 , G11B7/127 , G11B7/1384 , G11B7/1387 , G11B7/14
摘要： A read/write head for an optical storage medium is provided. The read/write head comprises a waveguide having an end face and a plasmon-enhanced device provided on the end face of the waveguide. The plasmon-enhanced device comprises a metal film having a first surface and a second surface, the first surface being fixed to the waveguide end face, the metal film having an aperture provided therethrough. The metal film has a periodic surface topography provided on at least one of the first and second surfaces of the metal film. Light incident on one of the surfaces of the metal film interacts with a surface plasmon mode on at least one of the surfaces of the metal film thereby enhancing transmission of light through the aperture in the metal film which is directed onto and/or collected from the optical storage medium. A read/write head with an integral light source is also provided. The invention also provides an array of precisely aligned read/write heads, and an array of precisely aligned read/write heads with integral light sources, as well as side-emitting lasers and vertical cavity surface emitting lasers (VCSELs) with enhanced transmission.
摘要翻译：提供了一种用于光学存储介质的读/写头。读/写头包括具有端面的波导和设置在波导的端面上的等离子体增强器件。所述等离子体增强装置包括具有第一表面和第二表面的金属膜，所述第一表面固定到波导端面，所述金属膜具有通过其设置的孔。金属膜具有在金属膜的第一和第二表面中的至少一个上提供的周期性表面形貌。入射到金属膜的一个表面上的光在金属膜的至少一个表面上与表面等离子体激发模式相互作用，从而增强了透过金属膜中的孔的光的透过率，该光通过金属膜被引导和/或从其中收集光存储介质。还提供了具有集成光源的读/写头。本发明还提供精确对准的读/写头阵列，以及具有整体光源的精确排列的读/写头阵列，以及具有增强的透射的侧发射激光器和垂直腔表面发射激光器（VCSEL）。

2. 发明授权

US4270149A Laser beam facsimile apparatus 失效
标题翻译：激光束传真机
公开(公告)号：US4270149A
公开(公告)日：1981-05-26
申请号：US67788
申请日：1979-08-20
申请人： Yoshinori Ohta , Keiichi Kubota , Mitsuhito Sakaguchi
发明人： Yoshinori Ohta , Keiichi Kubota , Mitsuhito Sakaguchi
IPC分类号： H04N1/23 , H04N1/036 , H04N1/113 , H04N1/04
CPC分类号： H04N1/036
摘要： A laser beam facsimile apparatus is disclosed. The apparatus utilizes a slit to define the light of a scan line. A laser beam is subjected to amplitude modulation and rapidly deflected toward the slit in a sub-scanning direction by an accousto-optic modulator (AOM) cell. An aperture of the slit is selected to be larger than the diameter of the deflected beam and smaller than the deflection scan in the sub-scanning direction. The light beam passed through the slit is focused on a light-sensitive medium by an optical system, whereby the optical intensity across the entire width of the scan line is constant without losing the sharpness at the edges of the scan line.
摘要翻译：公开了一种激光束传真装置。该装置利用狭缝来限定扫描线的光。激光束受到振幅调制，并通过声光调制器（AOM）单元在副扫描方向上朝狭缝快速偏转。选择狭缝的孔径大于偏转束的直径并且小于副扫描方向上的偏转扫描。通过狭缝的光束通过光学系统聚焦在感光介质上，从而扫描线整个宽度上的光强度恒定，而不会损失扫描线边缘的清晰度。

3. 发明授权

US4686678A Semiconductor laser apparatus with isolator 失效
标题翻译：具有隔离器的半导体激光设备
公开(公告)号：US4686678A
公开(公告)日：1987-08-11
申请号：US715954
申请日：1985-03-25
申请人： Yoshinori Ohta , Isamu Sakuma , Taketoshi Hibiya , Mitsuhito Sakaguchi
发明人： Yoshinori Ohta , Isamu Sakuma , Taketoshi Hibiya , Mitsuhito Sakaguchi
IPC分类号： G02B6/42 , G02F1/09 , H01S5/022 , H01S5/028 , H01S3/00
CPC分类号： G02F1/093 , G02B6/4208 , H01S5/02296 , H01S5/0064 , Y10S372/703
摘要： The apparatus includes a semiconductor laser diode, a mounting for the laser diode and a casing with a window through which light from the diode passes. The casing hermetically seals the diode. A magneto-optical member is provided between the end face of the laser diode and the window. The magneto-optical member has a spontaneous magnetization oriented in the direction of the light transmission and a magnetic field is applied to saturate the magneto-optical member.
摘要翻译：该装置包括半导体激光二极管，用于激光二极管的安装件和具有窗口的壳体，来自二极管的光通过该窗口通过。套管密封二极管。在激光二极管的端面和窗口之间设置有磁光部件。磁光部件具有沿光透射方向取向的自发磁化，并施加磁场使磁光部件饱和。

4. 发明授权

US4327971A Electro-optical light modulators, light wavelength multiplex signal transmitting apparatus and light wavelength separating switches utilizing the same 失效
标题翻译：电光调制器，光波长复用信号发送装置和利用其的光波长分离开关
公开(公告)号：US4327971A
公开(公告)日：1982-05-04
申请号：US44373
申请日：1979-06-01
申请人： Michikazu Kondo , Yoshinori Ohta , Mitsuhito Sakaguchi
发明人： Michikazu Kondo , Yoshinori Ohta , Mitsuhito Sakaguchi
IPC分类号： G02F1/035 , G02F1/03 , G02F1/23
CPC分类号： G02F1/035 , G02F2201/124 , G02F2203/055
摘要： In a light wavelength separating modulator there is provided a crystal manifesting an electro-optical effect which rotates the principal axes of the refractive index ellipsoid of the crystal, a plurality of juxtaposed electrodes formed on the crystal in the direction of transmission of light and having different periods, and means for applying modulation signals to respective electrodes. When light generated by a light source, having a light spectrum where half value bandwidth exceeds 100A, is transmitted through the modulator, a light wavelength multiplex signal transmitting apparatus is obtained; whereas when a birefringence body is located on the output side of the modulator, a light wavelength separating switch is obtained.
摘要翻译：在光波长分离调制器中，提供了一种表现出使晶体的折射率椭圆体的主轴旋转的电光效应的晶体，在透光方向上形成在晶体上的多个并置电极，并且具有不同的周期，以及用于将调制信号施加到各个电极的装置。当由具有半值带宽超过100A的光谱的光源产生的光通过调制器传输时，获得光波长多路复用信号发送装置; 而当双折射体位于调制器的输出侧时，获得光波长分离开关。

5. 发明授权

US3949235A Large holographic memory with plural overlapping detector arrays 失效
标题翻译：具有多个重叠检测器阵列的大型全息存储器
公开(公告)号：US3949235A
公开(公告)日：1976-04-06
申请号：US450398
申请日：1974-03-12
申请人： Suehiro Miyazaki , Itsuo Matsubara , Masahiro Moriwaki , Mitsuhito Sakaguchi , Nobuo Nishida
发明人： Suehiro Miyazaki , Itsuo Matsubara , Masahiro Moriwaki , Mitsuhito Sakaguchi , Nobuo Nishida
IPC分类号： G06F3/033 , G06F3/042 , G06K9/74 , G11C13/04 , G03H1/30
CPC分类号： G06F3/0321 , G06K9/74 , G11C13/042
摘要： Relatively large hologram storage plates, e.g., those storing a large number of discrete entries such as character definitions for a large character set, comprise an array of mini-holograms arranged in different memory plate sections.A different photodiode array is associated with each hologram plate section (for efficiency, some elements of different diode arrays may be common). When the stored contents of any mini-hologram are interrogated by a coherent light beam, the stored information is derived via the associated photodiode array and converged (as by OR logic) to memory output terminals.
摘要翻译：相对大的全息图存储板，例如存储大量离散条目（诸如大字符集的字符定义）的全息存储板包括布置在不同存储器板部分中的微型全息图阵列。

6. 再颁专利

USRE29461E Hologram graphic data tablet apparatus using a vernier 失效
标题翻译：全息图形数据平板设备使用游标
公开(公告)号：USRE29461E
公开(公告)日：1977-10-25
申请号：US729186
申请日：1976-10-04
申请人： Masahiro Moriwaki , Mitsuhito Sakaguchi , Yoshinari Mita
发明人： Masahiro Moriwaki , Mitsuhito Sakaguchi , Yoshinari Mita
IPC分类号： G06F3/033 , G06F3/042
CPC分类号： G06F3/0321
摘要： A hologram graphic tablet apparatus is described which has an improved resolution. The apparatus includes a hologram plate which includes a plurality of mini-holograms having position code data therein. The hologram plate is sequentially illuminated by a reference laser and an array of vernier lasers. The light from the laser that is diffracted by the mini-holograms is detected to form a reconstructed image of the position data, and the detected information is processed to produce a positional code that has a greater number of bits, and hence greater position resolution, than that directly obtained from the mini-hologram, depending on whether the output codes from the detector are the result of irradiation of the mini-hologram by the reference laser or by the vernier laser array.

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