公开(公告)号：US07889618B2

公开(公告)日：2011-02-15

申请号：US11222073

申请日：2005-09-09

申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

摘要： A first phase structure corrects at least one of a spherical aberration due to a difference between a protective substrate thickness t1 and a protective substrate thickness t2 and a spherical aberration due to a difference between a first wavelength λ1 and a second wavelength λ2, and a second phase structure corrects at least one of a spherical aberration generated when the first wavelength λ1 is changed in a range of ±10 nm, a best image point movement generated when the first wavelength λ1 is changed in a range of ±10 nm, and a spherical aberration generated when environmental temperature is changed.

摘要翻译： 第一相位结构校正由于保护基板厚度t1和保护基板厚度t2之间的差异引起的球面像差和由于第一波长λ1和第二波长λ2之间的差异引起的球面像差中的至少一个， 相位结构校正当第一波长λ1在±10nm的范围内变化时产生的球面像差中的至少一个，当第一波长λ1在±10nm的范围内变化时产生的最佳图像点移动，以及球面 当环境温度改变时产生的像差。

公开(公告)号：US07489615B2

公开(公告)日：2009-02-10

申请号：US11209113

申请日：2005-08-22

申请人： Kenji Ogiwara ,  Tohru Kimura

发明人： Kenji Ogiwara ,  Tohru Kimura

IPC分类号： G11B7/00

CPC分类号： G11B7/13925 ,  G11B2007/0006

摘要： An objective optical element for use in an optical pickup apparatus for recording and/or reproducing information on first—third optical information recording media using first—third light fluxes respectively, includes:a first phase structure for compensating a deterioration in a performance forming the converged spot on the information recording surface of the first optical information recording medium caused by an temperature change,a second phase structure for reducing a spherical aberration based on a thickness difference between the protective substrates of the first and second optical information media or the a wavelength difference between the first and second wavelengths, anda third phase structure for reducing a spherical aberration based on a thickness difference between the protective substrate of the first and third optical information media.

摘要翻译： 一种用于光拾取装置的物镜光学元件，用于分别使用第一至第三光束来记录和/或再现关于第一至第三光学信息记录介质的信息，包括：用于补偿形成收敛的性能劣化的第一相位结构 由温度变化引起的第一光学信息记录介质的信息记录表面上的斑点，基于第一和第二光学信息介质的保护基板之间的厚度差减小球面像差的第二相位结构或波长差 以及用于基于第一和第三光学信息介质的保护衬底之间的厚度差减小球面像差的第三相位结构。

公开(公告)号：US20060077793A1

公开(公告)日：2006-04-13

申请号：US11222137

申请日：2005-09-09

申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

摘要： A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and the second phase structure, a light flux from the second light source forms a converged spot on second optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure, and a light flux from the third light source forms a converged spot on third optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure.

摘要翻译： 来自第一光源的光束仅通过非球面的折射作用或通过由第一相结构中的至少一个给出的折射作用和光学作用的组合在第一光学信息记录介质上形成会聚点 和第二相结构，来自第二光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第二光学记录介质上形成会聚点 第二相结构，并且来自第三光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第三光学记录介质上形成会聚点 相结构。

公开(公告)号：US07282684B2

公开(公告)日：2007-10-16

申请号：US11340588

申请日：2006-01-27

申请人： Kenji Ogiwara

发明人： Kenji Ogiwara

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1369 ,  G11B2007/0006

摘要： An optical pickup apparatus is provided with a light source device to emit selectively an ordinary polarized light ray and an extraordinary polarized light ray by controlling a polarization condition of a light flux having a wavelength of λ1; and a light converging optical system. An objective lens has a phase structure made of a doubly refracting medium in which an ordinary ray refractive index no for the ordinary polarized light ray is different from an extraordinary ray refractive index ne (ne≠no) for the extraordinary polarized light ray so that the phase structure has a function for not changing a transmitted wavefront of an incident light ray being one of the ordinary polarized light ray and the extraordinary polarized light ray and for changing a transmitted wavefront of an incident light ray being the other one of the ordinary polarized light ray and the extraordinary polarized light ray.

摘要翻译： 光拾取装置具有通过控制波长为λ1的光通量的偏振状态而选择性地发射普通偏振光和异常偏振光的光源装置; 和聚光光学系统。 物镜具有由双折射介质制成的相位结构，其中普通偏振光的常规光线折射率n 不同于非常的光线折射率n e e / 用于非常偏振光，以使得相位结构具有不改变入射光线的透射波前的功能，即： 普通偏振光和异常偏振光中的一种，并且用于改变作为普通偏振光和异常偏振光中的另一种的入射光的透射波面。

公开(公告)号：US20060002280A1

公开(公告)日：2006-01-05

申请号：US11168919

申请日：2005-06-29

申请人： Kenji Ogiwara

发明人： Kenji Ogiwara

IPC分类号： G11B7/00

CPC分类号： G11B7/1374 ,  G11B7/1353 ,  G11B7/1367 ,  G11B7/139 ,  G11B7/13922 ,  G11B2007/0006

摘要： An objective lens for use in an optical pickup apparatus for recording and/or reproducing information on a first optical information recording medium having a protective substrate with a thickness t1 using a light flux with a wavelength λ1, on a second optical information recording medium having a protective substrate with a thickness t2 using a light flux with a wave length λ2 and a third optical information recording medium having a protective substrate with a thickness t3 using a light flux with a wavelength λ2, the objective lens includes: an optical surface including a central area and a peripheral area, wherein when the objective optical lens forms the portion of the light flux with the wavelength λ2 passed the central area into a converged spot through a substrate with a thickness t4, the objective optical lens makes a spherical aberration of the converged spot a minimum value.

摘要翻译： 一种用于光学拾取装置的物镜，用于在具有波长λ1的光通量的具有厚度为t1的保护基板的第一光学信息记录介质上记录和/或再现信息，该第二光学信息记录介质具有 使用具有波长λ2的光束的厚度为t2的保护基板和具有厚度为t3的保护基板的第三光学信息记录介质，使用波长为λ2的光通量，所述物镜包括：光学表面，包括中心 区域和外围区域，其中当物镜光学透镜形成具有波长λ2的光通量的部分通过中心区域通过厚度为t4的基板通过会聚点时，物镜光学透镜产生会聚的球面像差 发现最小值。

公开(公告)号：US20090290474A1

公开(公告)日：2009-11-26

申请号：US12533070

申请日：2009-07-31

申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

IPC分类号： G11B7/135

CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

摘要： A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and the second phase structure, a light flux from the second light source forms a converged spot on second optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure, and a light flux from the third light source forms a converged spot on third optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure.

摘要翻译： 来自第一光源的光束仅通过非球面的折射作用或通过由第一相结构中的至少一个给出的折射作用和光学作用的组合在第一光学信息记录介质上形成会聚点 和第二相结构，来自第二光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第二光学记录介质上形成会聚点 第二相结构，并且来自第三光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第三光学记录介质上形成会聚点 相结构。

公开(公告)号：US07821904B2

公开(公告)日：2010-10-26

申请号：US11222137

申请日：2005-09-09

申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

摘要： A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and the second phase structure, a light flux from the second light source forms a converged spot on second optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure, and a light flux from the third light source forms a converged spot on third optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure.

摘要翻译： 来自第一光源的光束仅通过非球面的折射作用或通过由第一相结构中的至少一个给出的折射作用和光学作用的组合在第一光学信息记录介质上形成会聚点 和第二相结构，来自第二光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第二光学记录介质上形成会聚点 第二相结构，并且来自第三光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第三光学记录介质上形成会聚点 相结构。

公开(公告)号：US20060171285A1

公开(公告)日：2006-08-03

申请号：US11340588

申请日：2006-01-27

申请人： Kenji Ogiwara

发明人： Kenji Ogiwara

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1369 ,  G11B2007/0006

摘要： An optical pickup apparatus is provided with a light source device to emit selectively an ordinary polarized light ray and an extraordinary polarized light ray by controlling a polarization condition of a light flux having a wavelength of λ1; and a light converging optical system. An objective lens has a phase structure made of a doubly refracting medium in which an ordinary ray refractive index no for the ordinary polarized light ray is different from an extraordinary ray refractive index ne(ne≠no) for the extraordinary polarized light ray so that the phase structure has a function for not changing a transmitted wavefront of an incident light ray being one of the ordinary polarized light ray and the extraordinary polarized light ray and for changing a transmitted wavefront of an incident light ray being the other one of the ordinary polarized light ray and the extraordinary polarized light ray.

摘要翻译： 光拾取装置具有通过控制波长为λ1的光通量的偏振状态而选择性地发射普通偏振光和异常偏振光的光源装置; 和聚光光学系统。 物镜具有由双折射介质制成的相位结构，其中普通偏振光的常规光线折射率n 不同于非常的光线折射率n e e / 用于非常偏振光，以使得相位结构具有不改变入射光线的透射波前的功能，即： 普通偏振光和异常偏振光中的一种，并且用于改变作为普通偏振光和异常偏振光中的另一种的入射光的透射波面。

公开(公告)号：US20060077792A1

公开(公告)日：2006-04-13

申请号：US11222073

申请日：2005-09-09

申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

摘要： A first phase structure corrects at least one of a spherical aberration due to a difference between a protective substrate thickness t1 and a protective substrate thickness t2 and a spherical aberration due to a difference between a first wavelength λ1 and a second wavelength λ2, and a second phase structure corrects at least one of a spherical aberration generated when the first wavelength λ1 is changed in a range of ±10 nm, a best image point movement generated when the first wavelength λ1 is changed in a range of ±10 nm, and a spherical aberration generated when environmental temperature is changed.

摘要翻译： 第一相位结构校正由保护基板厚度t 1和保护基板厚度t 2之间的差异引起的球面像差中的至少一个以及由于第一波长λ1和第二波长λ2之间的差引起的球面像差 并且第二相位结构校正当第一波长λ1在±10nm的范围内变化时产生的球面像差中的至少一个，当第一波长λ1在±10nm的范围内变化时产生的最佳图像点移动 并且当环境温度改变时产生球面像差。

公开(公告)号：US07957231B2

公开(公告)日：2011-06-07

申请号：US12533070

申请日：2009-07-31

申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

IPC分类号： G11B7/00

CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

摘要： A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and the second phase structure, a light flux from the second light source forms a converged spot on second optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure, and a light flux from the third light source forms a converged spot on third optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure.

摘要翻译： 来自第一光源的光束仅通过非球面的折射作用或通过由第一相结构中的至少一个给出的折射作用和光学作用的组合在第一光学信息记录介质上形成会聚点 和第二相结构，来自第二光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第二光学记录介质上形成会聚点 第二相结构，并且来自第三光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第三光学记录介质上形成会聚点 相结构。