DE1772077A1 - Optische Speichereinrichtung - Google Patents
Optische SpeichereinrichtungInfo
- Publication number
- DE1772077A1 DE1772077A1 DE19681772077 DE1772077A DE1772077A1 DE 1772077 A1 DE1772077 A1 DE 1772077A1 DE 19681772077 DE19681772077 DE 19681772077 DE 1772077 A DE1772077 A DE 1772077A DE 1772077 A1 DE1772077 A1 DE 1772077A1
- Authority
- DE
- Germany
- Prior art keywords
- storage device
- wavelength
- intensity
- disc
- optical storage
- 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.)
- Pending
Links
- 238000003860 storage Methods 0.000 title claims description 22
- 230000003287 optical effect Effects 0.000 title claims description 20
- 239000000463 material Substances 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 14
- 230000005670 electromagnetic radiation Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 9
- 230000010287 polarization Effects 0.000 claims description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 claims description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 claims description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002178 crystalline material Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005293 ferrimagnetic effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G11C13/047—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)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US627492A US3383664A (en) | 1967-03-31 | 1967-03-31 | Electro-optical storage arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1772077A1 true DE1772077A1 (de) | 1971-01-21 |
Family
ID=24514872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681772077 Pending DE1772077A1 (de) | 1967-03-31 | 1968-03-28 | Optische Speichereinrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3383664A (en:Method) |
| BE (1) | BE712883A (en:Method) |
| DE (1) | DE1772077A1 (en:Method) |
| FR (1) | FR1558825A (en:Method) |
| GB (1) | GB1219473A (en:Method) |
| NL (1) | NL6804293A (en:Method) |
| SE (1) | SE348304B (en:Method) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3518634A (en) * | 1967-06-16 | 1970-06-30 | Bell Telephone Labor Inc | Optical memory with photoactive memory element |
| US3517206A (en) * | 1968-04-08 | 1970-06-23 | Itek Corp | Apparatus and method for optical read-out of internal electric field |
| US3544189A (en) * | 1968-06-12 | 1970-12-01 | Bell Telephone Labor Inc | Holography using a poled ferroelectric recording material |
| US3683337A (en) * | 1969-11-24 | 1972-08-08 | Texas Instruments Inc | Information storage by changing the valence state of a semi-conductor crystal |
| DE2006167A1 (de) * | 1970-02-11 | 1971-08-19 | Siemens Ag | Anordnung zum Lesen eines elektrooptischen Speichers |
| US3651488A (en) * | 1970-06-08 | 1972-03-21 | Rca Corp | Information storage system employing optical entry and removal of information |
| US3713723A (en) * | 1971-04-21 | 1973-01-30 | Itek Corp | Integrated electro-optic analyzer |
| US5691989A (en) * | 1991-07-26 | 1997-11-25 | Accuwave Corporation | Wavelength stabilized laser sources using feedback from volume holograms |
| JPH06509429A (ja) * | 1991-07-26 | 1994-10-20 | アキュウェーブ コーポレーション | 光屈折性システムおよび方法 |
| 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 |
| US5335098A (en) * | 1991-07-26 | 1994-08-02 | Accuwave Corporation | Fixing method for narrow bandwidth volume holograms in photorefractive materials |
| US5440669A (en) * | 1991-07-26 | 1995-08-08 | Accuwave Corporation | Photorefractive systems and methods |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2909973A (en) * | 1958-09-15 | 1959-10-27 | Ibm | Electro-optical display apparatus |
| US3341826A (en) * | 1964-02-25 | 1967-09-12 | Bendix Corp | Solid state erasable and rewritable optical memory system utilizing a tenebrescent panel |
| US3353894A (en) * | 1964-06-08 | 1967-11-21 | Ibm | Electro-optic light deflector utilizing total internal reflection |
-
1967
- 1967-03-31 US US627492A patent/US3383664A/en not_active Expired - Lifetime
-
1968
- 1968-03-20 SE SE03704/68A patent/SE348304B/xx unknown
- 1968-03-27 NL NL6804293A patent/NL6804293A/xx unknown
- 1968-03-28 DE DE19681772077 patent/DE1772077A1/de active Pending
- 1968-03-28 BE BE712883D patent/BE712883A/xx unknown
- 1968-03-29 GB GB05119/68A patent/GB1219473A/en not_active Expired
- 1968-03-29 FR FR1558825D patent/FR1558825A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE348304B (en:Method) | 1972-08-28 |
| NL6804293A (en:Method) | 1968-10-01 |
| US3383664A (en) | 1968-05-14 |
| BE712883A (en:Method) | 1968-07-31 |
| FR1558825A (en:Method) | 1969-02-28 |
| GB1219473A (en) | 1971-01-13 |
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