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1.发明授权Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing method 有权光学元件，光学头，光学记录再现装置和光学记录/再现方法公开(公告)号：US07034980B2
公开(公告)日：2006-04-25
申请号：US11203914
申请日：2005-08-15
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
摘要翻译： 本发明提供了一种光学元件，通过该光学元件可以配置光学头，其中当物镜移动时，校正效果几乎没有劣化，以及使用这种光学元件的光学头和光学记录/再现装置。 本发明还提出了一种新颖的光学记录/再现装置和光学记录/再现方法。 光学元件包括第一电压施加电极13，与第一电压施加电极13相对布置的第一相对电极17和布置在第一施加电极13和第一相对电极17之间的第一相变层15。 通过改变第一电压施加电极13和第一相对电极17之间的电压，将入射到第一相变层15上的光转换成球面波的相位。
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2.发明申请Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method 有权光学元件，光学头，光学记录再现装置和光学记录/再现方法公开(公告)号：US20050135206A1
公开(公告)日：2005-06-23
申请号：US11031634
申请日：2005-01-07
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
摘要翻译： 本发明提供了一种光学元件，通过该光学元件可以配置光学头，其中当物镜移动时，校正效果几乎没有劣化，以及使用这种光学元件的光学头和光学记录/再现装置。 本发明还提出了一种新颖的光学记录/再现装置和光学记录/再现方法。 光学元件包括第一电压施加电极13，与第一电压施加电极13相对布置的第一相对电极17和布置在第一施加电极13和第一相对电极17之间的第一相变层15。 通过改变第一电压施加电极13和第一相对电极17之间的电压，将入射到第一相变层15上的光转换成球面波的相位。
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3.发明申请Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method 有权光学元件，光学头，光学记录再现装置和光学记录/再现方法公开(公告)号：US20080112303A1
公开(公告)日：2008-05-15
申请号：US12002380
申请日：2007-12-17
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
摘要翻译： 本发明提供了一种光学元件，通过该光学元件可以配置光学头，其中当物镜移动时，校正效果几乎没有劣化，以及使用这种光学元件的光学头和光学记录/再现装置。 本发明还提出了一种新颖的光学记录/再现装置和光学记录/再现方法。 光学元件包括第一电压施加电极13，与第一电压施加电极13相对布置的第一相对电极17和布置在第一施加电极13和第一相对电极17之间的第一相变层15。 通过改变第一电压施加电极13和第一相对电极17之间的电压，将入射到第一相变层15上的光转换成球面波的相位。
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公开(公告)号：US07158450B2
公开(公告)日：2007-01-02
申请号：US10892066
申请日：2004-07-14
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
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5.发明授权Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method 失效光学元件，光学头，光学记录再现装置和光学记录/再现方法公开(公告)号：US06987598B2
公开(公告)日：2006-01-17
申请号：US10892009
申请日：2004-07-14
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
摘要翻译： 本发明提供了一种光学元件，通过该光学元件可以配置光学头，其中当物镜移动时，校正效果几乎没有劣化，以及使用这种光学元件的光学头和光学记录/再现装置。 本发明还提出了一种新颖的光学记录/再现装置和光学记录/再现方法。 光学元件包括第一电压施加电极13，与第一电压施加电极13相对布置的第一相对电极17和布置在第一施加电极13和第一相对电极17之间的第一相变层15。 通过改变第一电压施加电极13和第一相对电极17之间的电压，将入射到第一相变层15上的光转换成球面波的相位。
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公开(公告)号：US5748599A
公开(公告)日：1998-05-05
申请号：US785542
申请日：1997-01-17
申请人： Hiroaki Yamamoto , Tetsuo Saimi , Seiji Nishino , Yoshiaki Komma , Hidenori Wada
发明人： Hiroaki Yamamoto , Tetsuo Saimi , Seiji Nishino , Yoshiaki Komma , Hidenori Wada
CPC分类号： G11B7/1353 , G11B7/0901 , G11B7/094 , G11B7/123 , G11B7/0912 , G11B7/0916
摘要： A light beam emitted from a semiconductor laser element is collimated by a collimating lens, and is applied to an optical disk through a polarizing holographic beam splitter, a .lambda./4 plate and an objective lens, a light beam reflected by the optical disk is applied to the polarizing holographic beam splitter and is diffracted. Diffracted light beams of +1st order and -1st order are applied to two photodetectors, and a focus error signal and a tracking error signal are obtained on the basis of the diffracted light beam of +1st order and an information signal is obtained on the basis of the diffracted light beam of -1st order.
摘要翻译： 从半导体激光元件发射的光束被准直透镜准直，并通过偏振全息光束分离器，λ/ 4板和物镜施加到光盘上，施加由光盘反射的光束 到偏振全息分束器并被衍射。 + 1级和1级的衍射光束被施加到两个光电检测器，并且基于+ 1阶的衍射光束获得聚焦误差信号和跟踪误差信号，并且基于 的衍射光束。
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7.发明授权Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method 有权光学元件，光学头，光学记录再现装置和光学记录/再现方法公开(公告)号：US07580327B2
公开(公告)日：2009-08-25
申请号：US12002380
申请日：2007-12-17
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
摘要翻译： 本发明提供了一种光学元件，通过该光学元件可以配置光学头，其中当物镜移动时，校正效果几乎没有劣化，以及使用这种光学元件的光学头和光学记录/再现装置。 本发明还提出了一种新颖的光学记录/再现装置和光学记录/再现方法。 光学元件包括第一电压施加电极13，与第一电压施加电极13相对布置的第一相对电极17和布置在第一施加电极13和第一相对电极17之间的第一相变层15。 通过改变第一电压施加电极13和第一相对电极17之间的电压，将入射到第一相变层15上的光转换成球面波的相位。
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公开(公告)号：US07352664B2
公开(公告)日：2008-04-01
申请号：US11031634
申请日：2005-01-07
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
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9.发明申请Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing method 审中-公开光学元件，光学头，光学记录再现装置和光学记录/再现方法公开(公告)号：US20060028927A1
公开(公告)日：2006-02-09
申请号：US11238272
申请日：2005-09-29
申请人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
发明人： Hidenori Wada , Tetsuo Saimi , Daisuke Ogata , Seiji Nishino , Hiroaki Yamamoto , Shin-ichi Kadowaki , Yoshiaki Komma
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G02F2203/18 , G11B7/0948 , G11B7/1369 , G11B7/13927 , G11B2007/0013
摘要： The invention presents an optical element with which an optical head can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element. The invention also presents a novel optical recording/reproducing apparatus and optical recording/reproducing method. The optical element, includes a first voltage application electrode 13, a first opposing electrode 17 arranged in opposition to the first voltage application electrode 13, and a first phase changing layer 15 arranged between the first voltage application electrode 13 and the first opposing electrode 17. By changing a voltage between the first voltage application electrode 13 and the first opposing electrode 17, a phase that converts plane waves into spherical waves is imparted on light that is incident on the first phase changing layer 15.
摘要翻译： 本发明提供了一种光学元件，通过该光学元件可以配置光学头，其中当物镜移动时，校正效果几乎没有劣化，以及使用这种光学元件的光学头和光学记录/再现装置。 本发明还提出了一种新颖的光学记录/再现装置和光学记录/再现方法。 光学元件包括第一电压施加电极13，与第一电压施加电极13相对布置的第一相对电极17和布置在第一施加电极13和第一相对电极17之间的第一相变层15。 通过改变第一电压施加电极13和第一相对电极17之间的电压，将入射到第一相变层15上的光转换成球面波的相位。
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公开(公告)号：US5757754A
公开(公告)日：1998-05-26
申请号：US495137
申请日：1995-06-28
申请人： Hiroaki Yamamoto , Tetsuo Saimi , Seiji Nishino , Yoshiaki Komma , Hidenori Wada
发明人： Hiroaki Yamamoto , Tetsuo Saimi , Seiji Nishino , Yoshiaki Komma , Hidenori Wada
CPC分类号： G11B7/1353 , G11B7/0901 , G11B7/094 , G11B7/123 , G11B7/0912 , G11B7/0916
摘要： A light beam emitted from a semiconductor laser element is collimated by a collimating lens, and is applied to an optical disk through a polarizing holographic beam splitter, a .lambda./4 plate and an objective lens, a light beam reflected by the optical disk is applied to the polarizing holographic beam splitter and is diffracted. Diffracted light beams of +1st order and -1st order are applied to two photodetectors, and a focus error signal is obtained on the basis of the diffracted light beam of +1st order and a tracking error signal is obtained on the basis of the diffracted light beam of -1st order.
摘要翻译： 从半导体激光元件发射的光束被准直透镜准直，并通过偏振全息光束分离器，λ/ 4板和物镜施加到光盘上，施加由光盘反射的光束 到偏振全息分束器并被衍射。 + 1级和-1级的衍射光束被施加到两个光电检测器，并且基于+ 1阶的衍射光束获得聚焦误差信号，并且基于衍射光获得跟踪误差信号 光束为-1阶。
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