JP2018180201A5 - - Google Patents
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- JP2018180201A5 JP2018180201A5 JP2017077914A JP2017077914A JP2018180201A5 JP 2018180201 A5 JP2018180201 A5 JP 2018180201A5 JP 2017077914 A JP2017077914 A JP 2017077914A JP 2017077914 A JP2017077914 A JP 2017077914A JP 2018180201 A5 JP2018180201 A5 JP 2018180201A5
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- 230000000051 modifying Effects 0.000 claims description 34
- 230000001427 coherent Effects 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000003287 optical Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims 2
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
前記課題を解決するため、本発明に係るホログラム記録装置は、干渉縞をセル単位でホログラム記録媒体に記録するホログラム記録装置であって、コヒーレント光を発光するコヒーレント光源と、前記コヒーレント光を２つの光路に分離する光源分離手段と、分離された一方の光によりホログラムデータに基づく複素振幅分布を持つ光として物体光を変調するＳＬＭである第１空間光変調手段と、分離された他方の光により参照光を変調する第２空間光変調手段と、書き込み対象となるセルを前記物体光および前記参照光の照射位置に移動する記録媒体移動手段と、前記第１空間光変調手段で変調された物体光を前記照射位置のセルに結像させる結像手段と、制御手段と、を備え、制御手段は、セル位置制御手段と、セルデータ表示手段と、第２空間光変調制御手段と、を備える構成とした。 In order to solve the above-mentioned problems, a hologram recording device according to the present invention is a hologram recording device for recording interference fringes on a hologram recording medium in cell units, and a coherent light source for emitting coherent light and two coherent light sources are provided. By the light source separating means for separating into the optical path, the first spatial light modulating means which is the SLM for modulating the object light as light having a complex amplitude distribution based on the hologram data by the separated one light, and the separated light Second spatial light modulating means for modulating the reference light, recording medium moving means for moving the cell to be written to the irradiation position of the object light and the reference light, and the object modulated by the first spatial light modulating means an imaging means for focusing the light on the cells of the irradiation position, and a control means, the control means, and the cell position control means, and the cell data display means, And second spatial light modulation control unit, and configured to include a.
また、前記課題を解決するため、本発明に係るホログラム製造方法は、コヒーレント光を発光するコヒーレント光源と、前記コヒーレント光を２つの光路に分離する光源分離手段と、分離された一方の光によりホログラムデータに基づく複素振幅分布を持つ光として物体光を変調するＳＬＭである第１空間光変調手段と、分離された他方の光により参照光を変調する第２空間光変調手段と、書き込み対象となるセルを前記物体光および前記参照光の照射位置に移動する記録媒体移動手段と、前記第１空間光変調手段で変調された物体光を前記照射位置のセルに結像させる結像手段と、制御手段と、を備えたホログラム記録装置で、干渉縞をセル単位でホログラム記録媒体に記録するホログラム製造方法であって、セル位置制御工程と、セルデータ表示工程と、第２空間光変調制御工程と、を含む手順とした。 In order to solve the above problems, a hologram manufacturing method according to the present invention, hologram and coherent light source emitting coherent light, a light source separating means for separating said coherent light into two optical paths, by one of the light separated A first spatial light modulator that is an SLM that modulates object light as light having a complex amplitude distribution based on data, a second spatial light modulator that modulates reference light by the other separated light, and a write target. Recording medium moving means for moving a cell to an irradiation position of the object light and the reference light, an image forming means for forming an image of the object light modulated by the first spatial light modulating means on the cell at the irradiation position, and control A hologram recording method comprising: a hologram recording apparatus including: a hologram recording apparatus including: a cell position controlling step; A data display step, and a second spatial light modulation control process, the steps comprising.
Claims (3)
コヒーレント光を発光するコヒーレント光源と、前記コヒーレント光を２つの光路に分離する光源分離手段と、分離された一方の光によりホログラムデータに基づく複素振幅分布を持つ光として物体光を変調するＳＬＭである第１空間光変調手段と、分離された他方の光により参照光を変調する第２空間光変調手段と、書き込み対象となるセルを前記物体光および前記参照光の照射位置に移動する記録媒体移動手段と、前記第１空間光変調手段で変調された物体光を前記照射位置のセルに結像させる結像手段と、制御手段と、を備え、
前記制御手段は、
前記書き込み対象となるセルを、前記照射位置に移動するように前記記録媒体移動手段を制御するセル位置制御手段と、
前記セルの移動に同期して、前記セルに対応するホログラムデータを前記第１空間光変調手段に表示するセルデータ表示手段と、
前記セルの移動に同期して、ホログラム再生時における光源の位置を前記参照光の相対位置として、前記他方の光の位相を変調して前記参照光を生成するように前記第２空間光変調手段を制御する第２空間光変調制御手段と、
を備えることを特徴とするホログラム記録装置。 A hologram recording device for recording interference fringes on a hologram recording medium in cell units,
A coherent light source that emits coherent light, a light source separating unit that separates the coherent light into two optical paths, and an SLM that modulates object light as light having a complex amplitude distribution based on hologram data by one of the separated lights. First spatial light modulating means, second spatial light modulating means for modulating the reference light with the other separated light, and recording medium movement for moving the cell to be written to the irradiation position of the object light and the reference light. Means, an image forming means for forming an image of the object light modulated by the first spatial light modulating means on the cell at the irradiation position, and a control means,
The control means is
Cell position control means for controlling the recording medium moving means to move the cell to be written to the irradiation position,
Cell data display means for displaying hologram data corresponding to the cell on the first spatial light modulation means in synchronization with movement of the cell,
In synchronization with the movement of the cell, the position of the light source during hologram reproduction is set as the relative position of the reference light, and the phase of the other light is modulated to generate the reference light. Second spatial light modulation control means for controlling
A hologram recording device comprising:
前記第２空間光変調手段で発生された参照光を前記照射位置のセルに結像させる第２の結像手段を備え、
前記制御手段は、前記光源の相対位置から前記書き込み対象となるセルのホログラム面に前記参照光が到達する複素振幅分布を演算する複素振幅分布演算手段と、
この複素振幅分布演算手段で演算した複素振幅分布を前記ＳＬＭに表示する複素振幅分布表示手段と、
を備えることを特徴とする請求項１に記載のホログラム記録装置。 The second spatial light modulating means is an SLM that generates a complex amplitude distribution that becomes wavefront data of the reference light,
A second image forming unit for forming an image of the reference light generated by the second spatial light modulating unit on the cell at the irradiation position,
The control means calculates a complex amplitude distribution calculating means for calculating a complex amplitude distribution in which the reference light reaches the hologram surface of the cell to be written from the relative position of the light source,
Complex amplitude distribution display means for displaying the complex amplitude distribution calculated by the complex amplitude distribution calculation means on the SLM,
The hologram recording device according to claim 1, further comprising:
前記制御手段により、
前記書き込み対象となるセルを、前記照射位置に移動するように前記記録媒体移動手段を制御するセル位置制御工程と、
前記セルの移動に同期して、前記セルに対応するホログラムデータを前記第１空間光変調手段に表示するセルデータ表示工程と、
前記セルの移動に同期して、ホログラム再生時における光源の位置を前記参照光の相対位置として、前記他方の光の位相を変調して前記参照光を生成するように前記第２空間光変調手段を制御する第２空間光変調制御工程と、
を含むことを特徴とするホログラム製造方法。 A coherent light source that emits coherent light, a light source separating unit that separates the coherent light into two optical paths, and an SLM that modulates object light as light having a complex amplitude distribution based on hologram data by one of the separated lights. First spatial light modulating means, second spatial light modulating means for modulating the reference light with the other separated light, and recording medium movement for moving the cell to be written to the irradiation position of the object light and the reference light. A hologram recording apparatus comprising: a means , an image forming means for forming an image of the object light modulated by the first spatial light modulating means on a cell at the irradiation position, and a control means. A method of manufacturing a hologram recorded on a recording medium, comprising:
By the control means,
A cell position control step of controlling the recording medium moving means to move the writing target cell to the irradiation position;
A cell data displaying step of displaying hologram data corresponding to the cell on the first spatial light modulator in synchronization with the movement of the cell;
In synchronization with the movement of the cell, the position of the light source during hologram reproduction is set as the relative position of the reference light, and the phase of the other light is modulated to generate the reference light. A second spatial light modulation control step for controlling
A method of manufacturing a hologram, comprising:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017077914A JP7037797B2 (en) | 2017-04-11 | 2017-04-11 | Hologram recording device and hologram manufacturing method |
| PCT/JP2018/014044 WO2018190164A1 (en) | 2017-04-11 | 2018-04-02 | Hologram recording device and hologram manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017077914A JP7037797B2 (en) | 2017-04-11 | 2017-04-11 | Hologram recording device and hologram manufacturing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018180201A JP2018180201A (en) | 2018-11-15 |
| JP2018180201A5 true JP2018180201A5 (en) | 2020-05-14 |
| JP7037797B2 JP7037797B2 (en) | 2022-03-17 |
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| JP2017077914A Active JP7037797B2 (en) | 2017-04-11 | 2017-04-11 | Hologram recording device and hologram manufacturing method |
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| JP (1) | JP7037797B2 (en) |
| WO (1) | WO2018190164A1 (en) |
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| DE102022117567A1 (en) * | 2022-07-14 | 2024-01-25 | HELLA GmbH & Co. KGaA | Method and device for producing a computer-generated hologram, hologram and lighting device for a vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3415872B2 (en) * | 1993-03-12 | 2003-06-09 | 凸版印刷株式会社 | Hologram creation method and apparatus |
| JP3902819B2 (en) * | 1996-10-21 | 2007-04-11 | 大日本印刷株式会社 | Computer generated hologram |
| JP3729477B2 (en) * | 1998-02-27 | 2005-12-21 | 秀嘉 堀米 | Hologram creation apparatus and method |
| JP2000035745A (en) * | 1998-07-17 | 2000-02-02 | Hamamatsu Photonics Kk | Hologram forming method |
| JP4039005B2 (en) * | 2001-05-30 | 2008-01-30 | 日本ビクター株式会社 | Computer generated hologram and method for producing original computer hologram |
| JP2006216148A (en) * | 2005-02-03 | 2006-08-17 | Alps Electric Co Ltd | Holographic recording apparatus, holographic reproducing apparatus, its method and holographic medium |
| JP2006227259A (en) * | 2005-02-17 | 2006-08-31 | Fuji Photo Film Co Ltd | Hologram-creating apparatus and method |
| US20070211319A1 (en) * | 2006-03-09 | 2007-09-13 | Canon Kabushiki Kaisha | Display apparatus, hologram reproduction apparatus and apparatus utilizing hologram |
| JP2013250068A (en) * | 2012-05-30 | 2013-12-12 | Pioneer Electronic Corp | Survey device |
| JP6296225B2 (en) * | 2013-10-10 | 2018-03-20 | 大日本印刷株式会社 | Display system and display method |
| JP2016061935A (en) * | 2014-09-18 | 2016-04-25 | パイオニア株式会社 | hologram |
| US20170090421A1 (en) * | 2015-09-24 | 2017-03-30 | Fuji Xerox Co., Ltd. | Image recording device |
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- 2017-04-11 JP JP2017077914A patent/JP7037797B2/en active Active
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