公开(公告)号：US08351316B2

公开(公告)日：2013-01-08

申请号：US12215096

申请日：2008-06-25

Applicant: Joachim Knittel

Inventor： Joachim Knittel

IPC: G11B7/00

CPC classification number: G11B7/1381 ,  G11B7/0065 ,  G11B7/1362 ,  G11B7/1398

Abstract: A beam shaper has a beam shaping element with an optical property that varies spatially over the profile of an incoming light beam in order to generate a first shaped light beam from the incoming light beam.

Abstract translation: 光束整形器具有光束成形元件，其具有在入射光束的轮廓上空间变化的光学特性，以便从入射光束产生第一成形光束。

公开(公告)号：US20120176881A1

公开(公告)日：2012-07-12

申请号：US13303393

申请日：2011-11-23

Applicant: Seong-su PARK ,  Soo-han PARK ,  Jung-woo HONG ,  Se-june PARK ,  Dong-jin SHIN ,  Ichiro MORISHITA

Inventor： Seong-su PARK ,  Soo-han PARK ,  Jung-woo HONG ,  Se-june PARK ,  Dong-jin SHIN ,  Ichiro MORISHITA

IPC: G11B7/135

CPC classification number: G11B7/1365 ,  G11B7/1398

Abstract: An optical pickup device is provided. The device includes a semiconductor laser light source which outputs linearly-polarized light having an elliptical shape, an objective lens which focuses light outputted from the semiconductor laser light source, forming an optical spot on an optical disc; and a polarization plate which is disposed placed on an optical path between the semiconductor laser light source and the objective lens, and which polarizes the light outputted from the semiconductor laser light source and transmits elliptically-polarized light, wherein the polarization plate is disposed such that a major axis of the elliptical polarization of the light transmitted by the polarization plate is parallel to or perpendicular to a major axis of the elliptical shape of the light.

Abstract translation: 提供一种光拾取装置。 该装置包括输出具有椭圆形的线偏振光的半导体激光光源，聚焦从半导体激光光源输出的光的物镜，在光盘上形成光点; 以及偏振板，其设置在所述半导体激光光源与所述物镜之间的光路上，使从所述半导体激光光源输出的光偏振并透射椭圆偏振光，其中，所述偏光板配置为 由偏振板透射的光的椭圆偏振的长轴平行于或垂直于光的椭圆形的长轴。

公开(公告)号：US20120082021A1

公开(公告)日：2012-04-05

申请号：US13179603

申请日：2011-07-11

Applicant: Ui-yol KIM ,  Yong-jae Lee

Inventor： Ui-yol KIM ,  Yong-jae Lee

IPC: G11B7/135

CPC classification number: G11B7/1398 ,  G11B7/125 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/1378 ,  G11B7/13925 ,  G11B2007/0006

Abstract: An optical pickup device, an optical drive using the same, and a method of forming a beam spot are provided. The optical pickup includes a light source system that includes a light source corresponding to at least one of a digital versatile disc (DVD) and a Blu-ray disc (BD). The light source forms a beam spot having an oval shape with a long axis and a short axis on an information recording track of the disc, and the light source is disposed such that the long axis is maintained at an angle ranging from 0° to 30° with respect to a radial direction passing through a rotation center of the disc.

Abstract translation: 提供一种光学拾取装置，使用其的光学驱动器以及形成束斑的方法。 光拾取器包括光源系统，其包括对应于数字通用盘（DVD）和蓝光盘（BD）中的至少一个的光源。 光源在盘的信息记录轨道上形成具有长轴和短轴的椭圆形的束斑，并且光源被设置成使得长轴保持在0°至30°的角度 °相对于穿过盘的旋转中心的径向方向。

公开(公告)号：US07911925B2

公开(公告)日：2011-03-22

申请号：US12065836

申请日：2006-09-07

Applicant: Toshiyasu Tanaka ,  Yoshiaki Komma

Inventor： Toshiyasu Tanaka ,  Yoshiaki Komma

IPC: G11B7/00

CPC classification number: G11B7/22 ,  G11B7/1398

Abstract: An adhesive positions a beam shaping element in such a manner as to satisfy the following relational expressions (1) and (2): 0

Abstract translation: 粘合剂以满足以下关系式（1）和（2）的方式定位束形成元件：0

公开(公告)号：US07859975B2

公开(公告)日：2010-12-28

申请号：US12058158

申请日：2008-03-28

Applicant: Kazushi Uno ,  Hiroyasu Yoshikawa ,  Yasumasa Iwamura

Inventor： Kazushi Uno ,  Hiroyasu Yoshikawa ,  Yasumasa Iwamura

IPC: G11B7/00

CPC classification number: G11B7/0065 ,  G03H1/02 ,  G03H1/0486 ,  G03H2001/0212 ,  G03H2222/31 ,  G03H2223/20 ,  G03H2240/52 ,  G11B7/1369 ,  G11B7/1398

Abstract: A hologram recorder includes a light source for emitting a laser beam, a polarizing beam splitter for splitting the laser beam into a recording beam and a reference beam in accordance with a state of polarization, and a rotary polarizer located between the light source and the polarizing beam splitter. The rotary polarizer has the function of optical rotation, whereby a polarization component to be the recording beam is increased from the central portion toward the peripheral portion of the laser beam, and a polarization component to be the reference beam is decreased from the central portion toward the peripheral portion of the laser beam.

Abstract translation: 全息记录仪包括用于发射激光束的光源，用于将激光束分离成记录光束的偏振分束器和根据偏振态的参考光束，以及位于光源和偏振光之间的旋转偏振器 分束器。 旋转偏振器具有旋光功能，由此作为记录光束的偏振分量从激光的中心部分朝向周边部分增加，作为参考光束的偏振分量从中心部分向着 激光束的周边部分。

公开(公告)号：US07742381B2

公开(公告)日：2010-06-22

申请号：US10569038

申请日：2004-08-20

Applicant: Bernardus Hendrikus Wilhelmus Hendriks ,  Joris Jan Vrehen ,  Pascal Jean Henri Bloemen ,  Peter Coops

Inventor： Bernardus Hendrikus Wilhelmus Hendriks ,  Joris Jan Vrehen ,  Pascal Jean Henri Bloemen ,  Peter Coops

IPC: G11B7/00

CPC classification number: G11B7/1378 ,  G11B7/13925 ,  G11B7/1398 ,  G11B2007/0013 ,  G11B2007/13727

Abstract: The invention relates to an optical scanning device for scanning in a first mode a first information layer (111) of an information carrier and in a second mode a second information layer (112) of the information carrier. The optical scanning device comprises a radiation source (101) for generating a radiation beam (102), an objective system (105) for focusing an entrance beam on an information layer and an optical element (103) arranged between the radiation source and the objective system, for converting said radiation beam into a diverging entrance beam in the first mode and a converging entrance beam in the second mode.

Abstract translation: 本发明涉及一种用于以第一模式扫描信息载体的第一信息层（111）并且在第二模式中扫描信息载体的第二信息层（112）的光学扫描装置。 光学扫描装置包括用于产生辐射束（102）的辐射源（101），用于将入射光束聚焦在信息层上的物镜系统（105）和布置在辐射源与物镜之间的光学元件（103） 系统，用于将所述辐射束转换成处于第一模式的发散入射光束和在第二模式中的会聚进入光束。

公开(公告)号：US07710624B2

公开(公告)日：2010-05-04

申请号：US11440357

申请日：2006-05-25

Applicant: Edeline Fotheringham ,  Ken E. Anderson ,  Larry Fabiny ,  Alan Hoskins

Inventor： Edeline Fotheringham ,  Ken E. Anderson ,  Larry Fabiny ,  Alan Hoskins

IPC: G02B5/32 ,  G03H1/00

CPC classification number: G11B7/0065 ,  G02B27/0927 ,  G02B27/0988 ,  G03H1/04 ,  G03H1/0465 ,  G11B7/1398

Abstract: Holographic systems which shape coherent light beams are disclosed. These holographic systems may beam-shaping devices positioned in the path of coherent light beams to shape a coherent light beam into an essentially diffraction noise free coherent light beam of predetermined dimensions that has a continuous light beam profile of distinct intensity zones.

Abstract translation: 公开了形成相干光束的全息系统。 这些全息系统可以是位于相干光束路径中的波束整形装置，以将相干光束成形为具有不同强度区域的连续光束分布的预定尺寸的基本上无衍射的无噪声相干光束。

公开(公告)号：US20100097670A1

公开(公告)日：2010-04-22

申请号：US12589204

申请日：2009-10-20

Applicant: Szabolcs Kautny ,  Krisztian Banko ,  Gabor Szarvas ,  Zoltan Karpati

Inventor： Szabolcs Kautny ,  Krisztian Banko ,  Gabor Szarvas ,  Zoltan Karpati

IPC: G03H1/02

CPC classification number: G03H1/10 ,  G11B7/0065 ,  G11B7/1353 ,  G11B7/1398 ,  G11B7/24044

Abstract: An apparatus and a method for reading from and/or writing to holographic storage media using a coaxial arrangement of an object beam and one or more reference beams or a coaxial arrangement of a reconstructed object beam and one or more reference beams is proposed. A focus of the one or more reference beams within a holographic storage medium is shifted along the optical axis relative to a focus of the object beam or the reconstructed object beam.

Abstract translation: 提出了一种使用目标光束和一个或多个参考光束的同轴布置或重建物体光束和一个或多个参考光束的同轴布置从全息存储介质读取和/或写入全息存储介质的装置和方法。 全息存储介质中的一个或多个参考光束的焦点相对于物体光束或重建物体光束的焦点沿光轴移动。

公开(公告)号：US20100018955A1

公开(公告)日：2010-01-28

申请号：US12503447

申请日：2009-07-15

Applicant: Christophe Martinez

Inventor： Christophe Martinez

IPC: B23K26/36

CPC classification number: G11B7/0045 ,  G11B7/1378 ,  G11B7/1398 ,  G11B7/24088

Abstract: This is a device for recording graphical data (34) on a medium (10), comprising a laser (9) producing a laser beam (14) to which the medium is sensitive, the laser beam projecting a spot (25) onto the medium (10), the laser (9) being driven in a relative sweeping movement with respect to the medium (10) during recording. It comprises means (32) of converting the grey level of each pixel into a pattern size (20) to be recorded on the medium (10), means (9a) for shaping the laser beam (14) so that the spot (25) projected onto the medium (10) is oblong and means of adjusting the size of the pattern (9b) acting on the switching on and off of the laser (9) and/or the power of the laser beam (14).

Abstract translation: 这是用于在介质（10）上记录图形数据（34）的装置，包括产生介质敏感的激光束（14）的激光（9），激光束将光点（25）投射到介质上 （10）中，所述激光器（9）在记录期间以相对于所述介质（10）的相对扫掠运动被驱动。 它包括将每个像素的灰度转换为记录在介质上的图形尺寸（20）的装置（32），用于使激光束（14）成形的装置（9a），使得点（25） 投影到介质（10）上的是椭圆形的，并且调节作用在激光器（9）的接通和断开上的图案（9b）的尺寸和/或激光束（14）的功率的装置。

公开(公告)号：US20090290478A1

公开(公告)日：2009-11-26

申请号：US12295398

申请日：2007-04-13

Applicant: Teruhiro Shiono

Inventor： Teruhiro Shiono

IPC: G11B7/135

CPC classification number: G11B7/1381 ,  B82Y10/00 ,  G11B7/1374 ,  G11B7/1398 ,  G11B2007/0013

Abstract: An optical information recording/reproducing device is provided with a first light source 20a for emitting recording light 22a, a second light source 20b for emitting reproducing light 22b, an objective lens 6 for focusing the emitted lights from the both light sources 20a, 20b on an information recording medium including a recording region 3 capable of three-dimensional recording and photodetectors 19a, 19b for detecting reflected lights 7a′, 7b′ from the information recording medium, and records information on recording layers 1a to 1e utilizing a nonlinear absorption phenomenon. At the objective lens 6, an average rim intensity of the recording light 7a is lower than that of the reproducing light 7b.

Abstract translation: 光信息记录/再现装置设置有用于发射记录光22a的第一光源20a，用于发射再现光22b的第二光源20b，用于将来自两个光源20a，20b的发射光聚焦的物镜6 信息记录介质，其包括能够进行三维记录的记录区域3和用于从信息记录介质检测反射光7a'，7b'的光电检测器19a，19b，并利用非线性吸收现象记录关于记录层1a至1e的信息。 在物镜6处，记录光7a的平均轮辋强度低于再现光7b的平均轮辋强度。