公开(公告)号：US07582392B2

公开(公告)日：2009-09-01

申请号：US11546958

申请日：2006-10-13

申请人： Hisae Yoshizawa ,  Jiro Minabe ,  Yasuhiro Ogasawara ,  Katsunori Kawano ,  Kazuhiro Hayashi ,  Shin Yasuda ,  Koichi Haga

发明人： Hisae Yoshizawa ,  Jiro Minabe ,  Yasuhiro Ogasawara ,  Katsunori Kawano ,  Kazuhiro Hayashi ,  Shin Yasuda ,  Koichi Haga

IPC分类号： G03H1/02

CPC分类号： G03H1/02 ,  G03H1/26 ,  G03H2001/026 ,  G03H2001/0264 ,  G03H2001/267 ,  G03H2222/31 ,  G03H2240/26 ,  G03H2260/12 ,  G11B7/0065 ,  G11B7/2467 ,  G11B7/25

摘要： A hologram-recording material, including a photoresponsive molecule, a reactive molecule having an intrinsic birefringence, and a photopolymerization initiator that accelerates polymerization and/or crosslinking of the reactive molecule having an intrinsic birefringence, a content of the photopolymerization initiator being in a range of less than about 0.1 wt % relative to the hologram-recording material, and, a content of the reactive molecule having an intrinsic birefringence being in a range of about 30 to about 80 wt % relative to the hologram-recording material.

摘要翻译： 包括光响应分子，具有固有双折射的反应性分子和加速具有固有双折射的反应性分子的聚合和/或交联的光聚合引发剂的全息记录材料，光聚合引发剂的含量在 相对于全息记录材料小于约0.1重量％，并且相对于全息记录材料，具有约30至约80重量％的固有双折射的反应性分子的含量。

公开(公告)号：US07535609B2

公开(公告)日：2009-05-19

申请号：US11339700

申请日：2006-01-26

申请人： Shin Yasuda ,  Katsunori Kawano ,  Koichi Haga ,  Jiro Minabe ,  Makoto Furuki ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

发明人： Shin Yasuda ,  Katsunori Kawano ,  Koichi Haga ,  Jiro Minabe ,  Makoto Furuki ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

IPC分类号： G03H1/16 ,  G03H1/26 ,  G11B7/00

CPC分类号： G03H1/04 ,  G03H1/0404 ,  G03H1/12 ,  G03H2001/0415 ,  G11B7/0065 ,  G11B7/083

摘要： A hologram recording method comprising recording information of signal light as a reflection-type hologram on an optical recording medium, by illuminating the signal light and reference light on a same axis and from different sides of the optical recording medium is provided. Further, a hologram recording device including: a signal light illuminating section illuminating signal light onto an optical recording medium; and a reference light illuminating section illuminating reference light of a same axis as the signal light, onto the optical recording medium from a different side than the signal light is provided.

摘要翻译： 提供一种全息图记录方法，其包括将信号光作为反射型全息图的信息记录在光学记录介质上，通过照射来自光学记录介质的相同轴线上的信号光和参考光。 此外，全息图记录装置包括：将信号光照射到光学记录介质上的信号光照明部分; 并且提供从与信号光不同的一侧将与信号光同轴的参考光照射到光记录介质上的参考光照明部。

公开(公告)号：US20080199782A1

公开(公告)日：2008-08-21

申请号：US11902435

申请日：2007-09-21

申请人： Hisae Yoshizawa ,  Jiro Minabe ,  Yasuhiro Ogasawara ,  Katsunori Kawano ,  Kazuhiro Hayashi ,  Shin Yasuda ,  Koichi Haga ,  Makoto Furuki

发明人： Hisae Yoshizawa ,  Jiro Minabe ,  Yasuhiro Ogasawara ,  Katsunori Kawano ,  Kazuhiro Hayashi ,  Shin Yasuda ,  Koichi Haga ,  Makoto Furuki

IPC分类号： G03F7/00

CPC分类号： G03F7/001 ,  G03F7/038 ,  G03H1/02 ,  G03H2001/0264

摘要： A hologram recording material contains a molecule having intrinsic birefringence and a photoresponsive macromolecule represented by the following formula (1). in formula (1), L1 representing a bivalent linking group, X representing a group having a substituent constant σ based on Hammett's rule of a value of more than 0, the maximum absorption wavelength of an azobenzene group bonding to X being approximately 360 nm or less, A representing a group that is a component of a repeating unit with a carbon number of 2 or more that is a component of a macromolecular main chain, nx representing an integer of 1 or 2, and n representing an integer of 1 or more.

摘要翻译： 全息记录材料含有具有固有双折射的分子和由下式（1）表示的光响应性高分子。 在式（1）中，表示二价连接基团的L 1代表基于哈米特定律大于0的取代基常数σ的基团，偶氮苯基团的最大吸收波长 键合X为约360nm以下，A表示作为大分子主链的成分的碳数为2以上的重复单元的成分的基团，nx表示1或2的整数， n表示1以上的整数。

公开(公告)号：US20080030821A1

公开(公告)日：2008-02-07

申请号：US11790016

申请日：2007-04-23

申请人： Jiro Minabe ,  Yasuhiro Ogasawara ,  Shin Yasuda ,  Katsunori Kawano ,  Koichi Haga ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

发明人： Jiro Minabe ,  Yasuhiro Ogasawara ,  Shin Yasuda ,  Katsunori Kawano ,  Koichi Haga ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

IPC分类号： G03H1/16

CPC分类号： G03H1/16 ,  G11B7/0065 ,  G11B7/128

摘要： A hologram recording method is disclosed in which: signal light includes a plurality of arranged reversal regions in which lightness and darkness of plural pixels of a light and dark image is reversed for an intensity distribution of the light and dark image; the signal light is Fourier-transformed; the Fourier-transformed signal light and reference light are illuminated onto an optical recording medium; and the signal light is recorded as a hologram. Also is disclosed an apparatus capable of implementing the hologram recording method, and an optical recording medium usable with the method.

摘要翻译： 公开了一种全息图记录方法，其中：信号光包括多个布置的反转区域，其中亮和暗图像的多个像素的亮度和暗度相反，用于亮和暗图像的强度分布; 信号光被傅里叶变换; 傅里叶变换的信号光和参考光被照射到光学记录介质上; 信号光被记录为全息图。 还公开了能够实现全息图记录方法的装置和可用于该方法的光学记录介质。

公开(公告)号：US20070291342A1

公开(公告)日：2007-12-20

申请号：US11604736

申请日：2006-11-28

申请人： Shin Yasuda ,  Katsunori Kawano ,  Jiro Minabe ,  Koichi Haga ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

发明人： Shin Yasuda ,  Katsunori Kawano ,  Jiro Minabe ,  Koichi Haga ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

IPC分类号： G03H1/30

CPC分类号： G03H1/30 ,  G03H1/0465 ,  G03H2222/35 ,  G11B7/00772 ,  G11B7/083 ,  G11B7/08564 ,  G11B7/1362 ,  G11B7/1369

摘要： A hologram recording method for recording information of signal light as holograms in an optical recording medium, which includes illuminating signal light at the optical recording medium; illuminating reference light at the optical recording medium simultaneously with the signal light such that an interference pattern is formed by the signal light and the reference light intersecting in the optical recording medium; and shifting a region in the optical recording medium at which the signal light and the reference light intersect, by shifting an illumination position of the reference light along an optical axis of the signal light, thereby recording a plurality of holograms in the recording medium.

摘要翻译： 一种全息图记录方法，用于将信号光作为全息图的信息记录在光学记录介质中，其包括在光学记录介质处照射信号光; 在光记录介质上与信号光同时照射参考光，使得由在光记录介质中相交的信号光和参考光形成干涉图案; 以及通过沿信号光的光轴移动参考光的照明位置，移动信号光和参考光相交的光记录介质中的区域，从而在记录介质中记录多个全息图。

公开(公告)号：US20070236763A1

公开(公告)日：2007-10-11

申请号：US11604342

申请日：2006-11-27

申请人： Jiro Minabe ,  Yasuhiro Ogasawara ,  Katsunori Kawano ,  Koichi Haga ,  Shin Yasuda ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

发明人： Jiro Minabe ,  Yasuhiro Ogasawara ,  Katsunori Kawano ,  Koichi Haga ,  Shin Yasuda ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

IPC分类号： G11B7/00 ,  G03H1/00

CPC分类号： G11B7/0065 ,  G03H2001/0413 ,  G03H2225/52 ,  G03H2240/21 ,  G03H2240/24 ,  G03H2260/12 ,  G11B7/1372 ,  G11B7/24044 ,  G11B7/245

摘要： An optical recording method includes providing an optical recording medium capable of forming both a refractive index grating and an absorption grating by light irradiation; Fourier transforming with the same lens a signal beam that represents binary digital data with a brightness image and a reference beam such that they are focused at a point outside the optical recording medium; irradiating the Fourier transformed signal beam and reference beam simultaneously onto the optical recording medium and forming a diffraction grating at the optical recording medium according to an interference fringe between the signal beam and the reference beam, or according to an interference fringe within the signal beam itself, and recording the signal beam as a hologram.

摘要翻译： 光学记录方法包括提供能够通过光照射形成折射率光栅和吸收光栅的光学记录介质; 用相同的透镜傅里叶变换表示具有亮度图像和参考光束的二进制数字数据的信号束，使得它们聚焦在光学记录介质外部的点处; 将傅里叶变换的信号光束和参考光束同时照射到光学记录介质上，并根据信号光束和参考光束之间的干涉条纹，或根据信号光束本身内的干涉条纹在光学记录介质上形成衍射光栅 ，并将信号光束记录为全息图。

公开(公告)号：US07262892B1

公开(公告)日：2007-08-28

申请号：US11633058

申请日：2006-12-04

申请人： Shin Yasuda ,  Jiro Minabe ,  Katsunori Kawano ,  Yasuhiro Ogasawara ,  Koichi Haga ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

发明人： Shin Yasuda ,  Jiro Minabe ,  Katsunori Kawano ,  Yasuhiro Ogasawara ,  Koichi Haga ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Makoto Furuki

IPC分类号： G03H1/16

CPC分类号： G11B7/0065 ,  G03H1/16 ,  G03H2223/12

摘要： There is provided a hologram reconstruction method including: onto an optical recording medium in which a hologram is recorded by simultaneously irradiating the Fourier transformed signal beam representing a digital data with a bright and dark image and removing a DC component and the Fourier transformed reference beam thereon, irradiating a first reference beam for reading out that is the same as the reference beam to generate a first diffracted light generated by the recorded hologram, and synthesizing a DC component of a predetermined phase with the generated first diffracted light to generate a first synthesized light; detecting an inverse Fourier transformed image of the first synthesized light to obtain first image data; irradiating a second reference beam for reading out that differs from the reference beam onto the hologram recorded on the optical recording medium to generate a second diffracted light from the recorded hologram, and synthesizing a DC component of a predetermined phase with the generated second diffracted light to generate a second synthesized light; detecting an inverse Fourier transformed image of the second synthesized light to obtain second image data; subtracting one of the first image data and the second image data from the other at each pixel of the light and dark image; and decoding the digital data based on the value obtained by subtraction.

摘要翻译： 提供了一种全息图重建方法，包括：在其上记录全息图的光记录介质上，同时照射表示具有明暗图像的数字数据的傅立叶变换信号光束，并且在其上去除直流分量和傅立叶变换参考光束 照射与参考光束相同的第一参考光束，以产生由所记录的全息图产生的第一衍射光，并将预定相位的直流分量与产生的第一衍射光合成，以产生第一合成光 ; 检测所述第一合成光的傅里叶逆变换图像以获得第一图像数据; 将不同于参考光束的第二参考光束照射到记录在光学记录介质上的全息图上，以从记录的全息图产生第二衍射光，并将预定相位的直流分量与产生的第二衍射光合成 产生第二合成光; 检测所述第二合成光的傅里叶逆变换图像以获得第二图像数据; 在光和暗图像的每个像素处从另一个减去第一图像数据和第二图像数据中的一个; 并基于通过减法获得的值对数字数据进行解码。

公开(公告)号：US20070195388A1

公开(公告)日：2007-08-23

申请号：US11493611

申请日：2006-07-27

申请人： Makoto Furuki ,  Katsunori Kawano ,  Shin Yasuda ,  Jiro Minabe ,  Koichi Haga ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

发明人： Makoto Furuki ,  Katsunori Kawano ,  Shin Yasuda ,  Jiro Minabe ,  Koichi Haga ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

IPC分类号： G03H1/08

CPC分类号： G11B7/0065 ,  G11B7/128 ,  G11B7/2403 ,  G11B7/24044 ,  Y10S359/90

摘要： A hologram recording method, which records signal light onto an optical recording medium as a hologram, includes: placing a signal light region, which generates signal light, and a reference light region, which generates reference light, symmetrically with respect to an optical axis of coherent light by displaying, on a spatial light modulator which spatially modulates the incident coherent light, a pattern which divides a modulating region into a plurality of regions; generating signal light and reference light by modulating the incident coherent light by the spatial light modulator; simultaneously and coaxially illuminating, onto a reflecting-type optical recording medium, the signal light and the reference light generated from the signal light region and the reference light region disposed symmetrically to one another; and recording the signal light on the optical recording medium as a hologram.

摘要翻译： 将信号光记录在作为全息图的光记录介质上的全息图记录方法包括：将产生信号光的信号光区域和产生参考光的参考光区域相对于光轴对称地生成参考光区域 在空间光调制器上显示相干光，空间光调制器对入射相干光进行空间调制，将调制区域划分为多个区域的图案; 通过调制来自空间光调制器的入射相干光产生信号光和参考光; 同时并同轴地照射到反射型光学记录介质上，信号光和从信号光区域产生的参考光和参考光区域彼此对称设置; 并将信号光记录在光记录介质上作为全息图。

公开(公告)号：US20070041066A1

公开(公告)日：2007-02-22

申请号：US11339700

申请日：2006-01-26

申请人： Shin Yasuda ,  Katsunori Kawano ,  Koichi Haga ,  Jiro Minabe ,  Makoto Furuki ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

发明人： Shin Yasuda ,  Katsunori Kawano ,  Koichi Haga ,  Jiro Minabe ,  Makoto Furuki ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa

IPC分类号： G03H1/08

CPC分类号： G03H1/04 ,  G03H1/0404 ,  G03H1/12 ,  G03H2001/0415 ,  G11B7/0065 ,  G11B7/083

摘要： A hologram recording method comprising recording information of signal light as a reflection-type hologram on an optical recording medium, by illuminating the signal light and reference light on a same axis and from different sides of the optical recording medium is provided. Further, a hologram recording device including: a signal light illuminating section illuminating signal light onto an optical recording medium; and a reference light illuminating section illuminating reference light of a same axis as the signal light, onto the optical recording medium from a different side than the signal light is provided.

摘要翻译： 提供一种全息图记录方法，其包括将信号光作为反射型全息图的信息记录在光学记录介质上，通过照射来自光学记录介质的相同轴线上的信号光和参考光。 此外，全息图记录装置包括：将信号光照射到光学记录介质上的信号光照明部分; 并且提供从与信号光不同的一侧将与信号光同轴的参考光照射到光记录介质上的参考光照明部。

公开(公告)号：US07633661B2

公开(公告)日：2009-12-15

申请号：US11057189

申请日：2005-02-15

申请人： Shin Yasuda ,  Jiro Minabe ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Koichi Haga ,  Katsunori Kawano

发明人： Shin Yasuda ,  Jiro Minabe ,  Yasuhiro Ogasawara ,  Kazuhiro Hayashi ,  Hisae Yoshizawa ,  Koichi Haga ,  Katsunori Kawano

IPC分类号： G03H1/02

CPC分类号： G11B7/0065 ,  G03H1/0011 ,  G03H1/0402 ,  G03H1/0486 ,  G03H1/28 ,  G03H2001/0413 ,  G03H2001/0415 ,  G03H2210/22 ,  G03H2210/54 ,  G03H2223/14 ,  G03H2250/42 ,  G03H2260/12

摘要： A hologram recording apparatus includes a light source for irradiating coherent light, light separator for separating the coherent light into light for reference beam and light for signal beam, optical path changer for changing an optical path of each light separated by the light separator so that the reference beam and the signal beam may be irradiated simultaneously onto an optical recording medium, a spatial light modulator disposed in the optical path of the light for the signal beam for modulating the light for the signal beam in accordance with a supplied recording signal to create signal beam for recording a hologram, and diffused light irradiator for irradiating diffused light simultaneously with the reference beam at least onto an area of the optical recording medium where the reference beam is irradiated.

摘要翻译： 全息图记录装置包括用于照射相干光的光源，用于将相干光分离成用于参考光的光分离器和用于信号光的光的光分离器，用于改变由光分离器分离的每个光的光路的光路变换器， 参考光束和信号光束可以同时照射到光学记录介质上，空间光调制器设置在用于信号光的光路中，用于根据所提供的记录信号调制信号光的光以产生信号 用于记录全息图的光束，以及漫射光照射器，用于至少在照射参考光束的光学记录介质的区域上将漫射光与参考光束同时照射。