DE1774401A1 - Optischer Speicher mit photoaktivem Speicherelement - Google Patents
Optischer Speicher mit photoaktivem SpeicherelementInfo
- Publication number
- DE1774401A1 DE1774401A1 DE19681774401 DE1774401A DE1774401A1 DE 1774401 A1 DE1774401 A1 DE 1774401A1 DE 19681774401 DE19681774401 DE 19681774401 DE 1774401 A DE1774401 A DE 1774401A DE 1774401 A1 DE1774401 A1 DE 1774401A1
- Authority
- DE
- Germany
- Prior art keywords
- crystal
- light
- source
- storage
- memory
- 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 44
- 230000003287 optical effect Effects 0.000 title claims description 37
- 230000015654 memory Effects 0.000 title description 43
- 230000005684 electric field Effects 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000013078 crystal Substances 0.000 description 96
- 239000000463 material Substances 0.000 description 16
- 239000002800 charge carrier Substances 0.000 description 14
- ORCSMBGZHYTXOV-UHFFFAOYSA-N bismuth;germanium;dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Ge].[Ge].[Ge].[Bi].[Bi].[Bi].[Bi] ORCSMBGZHYTXOV-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000003321 amplification Effects 0.000 description 6
- 239000000969 carrier Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 230000010287 polarization Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- CWCCJSTUDNHIKB-UHFFFAOYSA-N $l^{2}-bismuthanylidenegermanium Chemical compound [Bi]=[Ge] CWCCJSTUDNHIKB-UHFFFAOYSA-N 0.000 description 1
- 229910000497 Amalgam Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- -1 argon ion Chemical class 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- KZUJUDQRJCCDCM-UHFFFAOYSA-N indium mercury Chemical compound [In].[Hg] KZUJUDQRJCCDCM-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 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
- G11C13/047—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64663567A | 1967-06-16 | 1967-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1774401A1 true DE1774401A1 (de) | 1971-07-22 |
Family
ID=24593834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681774401 Pending DE1774401A1 (de) | 1967-06-16 | 1968-06-11 | Optischer Speicher mit photoaktivem Speicherelement |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3518634A (forum.php) |
| DE (1) | DE1774401A1 (forum.php) |
| NL (1) | NL6805379A (forum.php) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652145A (en) * | 1969-06-30 | 1972-03-28 | Sperry Rand Corp | Electrically controllable volume holographic apparatus and method for operating said apparatus |
| US3742464A (en) * | 1969-10-15 | 1973-06-26 | Rca Corp | Electrically and optically accessible memory |
| US3657709A (en) * | 1969-12-30 | 1972-04-18 | Ibm | Storage tube with pointwise erase capability |
| DE2016114A1 (de) * | 1970-04-03 | 1971-10-21 | Siemens Ag | Verfahren und Vorrichtung zum Auslesen von Hologrammen |
| US3723978A (en) * | 1971-03-01 | 1973-03-27 | Minnesota Mining & Mfg | Beam addressable memory apparatus |
| US3740734A (en) * | 1972-03-15 | 1973-06-19 | Bell Telephone Labor Inc | Coarse grain polycrystalline ferroelectric ceramic optical memory system |
| US3879687A (en) * | 1973-02-26 | 1975-04-22 | Honeywell Inc | High speed light beam modulator |
| US4144591A (en) * | 1977-08-15 | 1979-03-13 | The United States Of America As Represented By The Secretary Of The Army | Memory transistor |
| US4126901A (en) * | 1978-04-05 | 1978-11-21 | The United States Of America As Represented By The Secretary Of The Army | Photovoltaic-ferroelectric correlation devices |
| US4498156A (en) * | 1981-09-24 | 1985-02-05 | Rockwell International Corporation | Electrochromic nonvolatile memory device |
| US5121231A (en) * | 1990-04-06 | 1992-06-09 | University Of Southern California | Incoherent/coherent multiplexed holographic recording for photonic interconnections and holographic optical elements |
| JP2924136B2 (ja) * | 1990-09-05 | 1999-07-26 | ミノルタ株式会社 | 光記録装置 |
| US5228001A (en) * | 1991-01-23 | 1993-07-13 | Syracuse University | Optical random access memory |
| US5371698A (en) * | 1992-05-13 | 1994-12-06 | Koehler; Dale R. | Random access optical memory |
| US5508829A (en) * | 1992-12-18 | 1996-04-16 | International Business Machines Corporation | LTG AlGaAs non-linear optical material and devices fabricated therefrom |
| US5559732A (en) * | 1994-12-27 | 1996-09-24 | Syracuse University | Branched photocycle optical memory device |
| DE102018009447A1 (de) * | 2018-12-04 | 2020-06-04 | Forschungszentrum Jülich GmbH | Bauelement mit optisch aktiven Materialien |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL224830A (forum.php) * | 1957-06-12 | |||
| US3153146A (en) * | 1959-06-19 | 1964-10-13 | Westinghouse Electric Corp | Thermal imaging device using a target which rotates the plane of polarization |
| US3304428A (en) * | 1964-12-18 | 1967-02-14 | Sylvania Electric Prod | Transmission line light modulator |
| US3383664A (en) * | 1967-03-31 | 1968-05-14 | Bell Telephone Labor Inc | Electro-optical storage arrangement |
| US3393955A (en) * | 1967-07-21 | 1968-07-23 | Rca Corp | Light frequency shifter |
-
1967
- 1967-06-16 US US646635A patent/US3518634A/en not_active Expired - Lifetime
-
1968
- 1968-04-17 NL NL6805379A patent/NL6805379A/xx unknown
- 1968-06-11 DE DE19681774401 patent/DE1774401A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3518634A (en) | 1970-06-30 |
| NL6805379A (forum.php) | 1968-12-17 |
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