FR2311328A1 - Dispositif de commande optique de photosensibilite d'un milieu cristallin et systeme de stockage optique comportant un tel dispositif - Google Patents
Dispositif de commande optique de photosensibilite d'un milieu cristallin et systeme de stockage optique comportant un tel dispositifInfo
- Publication number
- FR2311328A1 FR2311328A1 FR7515438A FR7515438A FR2311328A1 FR 2311328 A1 FR2311328 A1 FR 2311328A1 FR 7515438 A FR7515438 A FR 7515438A FR 7515438 A FR7515438 A FR 7515438A FR 2311328 A1 FR2311328 A1 FR 2311328A1
- Authority
- FR
- France
- Prior art keywords
- photosensitivity
- storage system
- system including
- optical
- control device
- Prior art date
- 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.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title 2
- 206010034972 Photosensitivity reaction Diseases 0.000 title 1
- 230000036211 photosensitivity Effects 0.000 title 1
Classifications
-
- 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
-
- 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
- G11C13/047—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 electro-optical elements
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7515438A FR2311328A1 (fr) | 1975-05-16 | 1975-05-16 | Dispositif de commande optique de photosensibilite d'un milieu cristallin et systeme de stockage optique comportant un tel dispositif |
| US05/684,385 US4055838A (en) | 1975-05-16 | 1976-05-07 | Ferroelectric information optical storage device with self biasing |
| CA252,539A CA1078514A (fr) | 1975-05-16 | 1976-05-14 | Dispositif ferroelectrique de stockage optique de donnees a auto-polarisation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7515438A FR2311328A1 (fr) | 1975-05-16 | 1975-05-16 | Dispositif de commande optique de photosensibilite d'un milieu cristallin et systeme de stockage optique comportant un tel dispositif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2311328A1 true FR2311328A1 (fr) | 1976-12-10 |
Family
ID=9155368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7515438A Withdrawn FR2311328A1 (fr) | 1975-05-16 | 1975-05-16 | Dispositif de commande optique de photosensibilite d'un milieu cristallin et systeme de stockage optique comportant un tel dispositif |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4055838A (fr) |
| CA (1) | CA1078514A (fr) |
| FR (1) | FR2311328A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2595145B1 (fr) * | 1986-02-28 | 1989-03-31 | Thomson Csf | Systeme de visualisation a memoire |
| FR2727215B1 (fr) * | 1994-11-18 | 1996-12-20 | Thomson Csf | Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples |
| FR2750487B1 (fr) * | 1996-06-28 | 2005-10-21 | Thomson Csf | Revetement pour la protection personnelle d'un fantassin |
| FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
| FR2819061B1 (fr) * | 2000-12-28 | 2003-04-11 | Thomson Csf | Dispositif de controle de polarisation dans une liaison optique |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932025A (en) * | 1974-10-25 | 1976-01-13 | Xerox Corporation | Imaging system |
-
1975
- 1975-05-16 FR FR7515438A patent/FR2311328A1/fr not_active Withdrawn
-
1976
- 1976-05-07 US US05/684,385 patent/US4055838A/en not_active Expired - Lifetime
- 1976-05-14 CA CA252,539A patent/CA1078514A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1078514A (fr) | 1980-05-27 |
| US4055838A (en) | 1977-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |