JPS4974550A - - Google Patents
Info
- Publication number
- JPS4974550A JPS4974550A JP48077400A JP7740073A JPS4974550A JP S4974550 A JPS4974550 A JP S4974550A JP 48077400 A JP48077400 A JP 48077400A JP 7740073 A JP7740073 A JP 7740073A JP S4974550 A JPS4974550 A JP S4974550A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/05—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
- G02F1/0541—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties using photorefractive effects
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
- G11C13/044—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern using electro-optical elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29585172A | 1972-10-10 | 1972-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4974550A true JPS4974550A (ja) | 1974-07-18 |
Family
ID=23139479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48077400A Pending JPS4974550A (ja) | 1972-10-10 | 1973-07-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3773400A (ja) |
| JP (1) | JPS4974550A (ja) |
| CA (1) | CA981087A (ja) |
| DE (1) | DE2333595A1 (ja) |
| FR (1) | FR2202605A5 (ja) |
| NL (1) | NL7308810A (ja) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932299A (en) * | 1972-10-30 | 1976-01-13 | Rca Corporation | Method for the reduction of iron in iron-doped lithium niobate crystals |
| US3933504A (en) * | 1973-03-27 | 1976-01-20 | Rca Corporation | Photochromic lithium niobate and method for preparing same |
| US5440669A (en) * | 1991-07-26 | 1995-08-08 | Accuwave Corporation | Photorefractive systems and methods |
| US5691989A (en) * | 1991-07-26 | 1997-11-25 | Accuwave Corporation | Wavelength stabilized laser sources using feedback from volume holograms |
| US5335098A (en) * | 1991-07-26 | 1994-08-02 | Accuwave Corporation | Fixing method for narrow bandwidth volume holograms in photorefractive materials |
| US5796096A (en) * | 1991-07-26 | 1998-08-18 | Accuwave Corporation | Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials |
| US5491570A (en) * | 1991-07-26 | 1996-02-13 | Accuwave Corporation | Methods and devices for using photorefractive materials at infrared wavelengths |
| WO1993003427A2 (en) * | 1991-07-26 | 1993-02-18 | Accuwave Corporation | Photorefractive systems and methods |
| US5648856A (en) * | 1995-04-10 | 1997-07-15 | Northrop Grumman Corporation | Method for optically fixing holograms in photorefractive materials and a read/write memory based thereon |
| US5739929A (en) * | 1996-06-17 | 1998-04-14 | International Business Machines Corporation | Method and device for holographic storage |
| US6468699B2 (en) * | 1999-05-14 | 2002-10-22 | Adil Lahrichi | Reversible hologram fixation in photorefractive materials using incoherent ultraviolet light |
| US6686097B2 (en) * | 1999-06-01 | 2004-02-03 | Adil Lahrichi | Reversible hologram fixation in photorefractive materials using incoherent ultraviolet light |
| JP2005196826A (ja) * | 2003-12-26 | 2005-07-21 | Samsung Electronics Co Ltd | ホログラムメモリ用媒体 |
| JP4881914B2 (ja) * | 2008-06-02 | 2012-02-22 | 株式会社日立製作所 | 光情報記録再生装置及び光情報記録方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544189A (en) * | 1968-06-12 | 1970-12-01 | Bell Telephone Labor Inc | Holography using a poled ferroelectric recording material |
-
1972
- 1972-10-10 US US00295851A patent/US3773400A/en not_active Expired - Lifetime
-
1973
- 1973-06-11 CA CA173,693A patent/CA981087A/en not_active Expired
- 1973-06-25 NL NL7308810A patent/NL7308810A/xx not_active Application Discontinuation
- 1973-06-27 FR FR7323497A patent/FR2202605A5/fr not_active Expired
- 1973-07-02 DE DE19732333595 patent/DE2333595A1/de not_active Withdrawn
- 1973-07-09 JP JP48077400A patent/JPS4974550A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3773400A (en) | 1973-11-20 |
| NL7308810A (ja) | 1974-04-16 |
| CA981087A (en) | 1976-01-06 |
| DE2333595A1 (de) | 1974-04-25 |
| FR2202605A5 (ja) | 1974-05-03 |