GB1071911A - Apparatus for energising an output matrix by a beam of collimated plane-polarized electromagnetic wave energy - Google Patents
Apparatus for energising an output matrix by a beam of collimated plane-polarized electromagnetic wave energyInfo
- Publication number
- GB1071911A GB1071911A GB43948/63A GB4394863A GB1071911A GB 1071911 A GB1071911 A GB 1071911A GB 43948/63 A GB43948/63 A GB 43948/63A GB 4394863 A GB4394863 A GB 4394863A GB 1071911 A GB1071911 A GB 1071911A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plane
- crystals
- rotated
- energising
- electromagnetic wave
- 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.)
- Expired
Links
- 239000011159 matrix material Substances 0.000 title abstract 2
- 239000013078 crystal Substances 0.000 abstract 5
- 241000931526 Acer campestre Species 0.000 abstract 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 abstract 1
- 235000019796 monopotassium phosphate Nutrition 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 abstract 1
- 230000010287 polarization Effects 0.000 abstract 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
1,071,911. Lasers. WESTERN ELECTRIC CO. Inc. Nov. 7, 1963 [Nov. 26, 1962], No. 43948/63. Heading H1C. [Also in Divisions G4 and H4] A plane-polarized light beam from an optical maser 1 is rotated through 90 degrees by a Faraday rotator or between half-wave plates 2, 7 . . . according to the presence or absence of a digital input 31, 32 . . . and the rotated beam is displaced by a discrete step according to the plane of polarization with respect to a birefringent crystal 6, 11 ... Crystals 11, 6 have optic axes in plane YZ and crystals 21, 16 have optic axes in plane XZ, the widths of each set of crystals increasing geometrically towards the maser 1 to provide a 1: 1 correspondence between the input binary signals and the output position of the light beam on matrix 22. The beam is rotated using a Faraday rotator or half-wave plates in which a voltage is applied to grids 4, 5 disposed on both sides of a potassium dihydrogen phosphate crystal with normal optic axis on the Z axis and induced optic axis in the XY plane. The deflected beam may be used to sense or to perforate record cards, or for television display &c.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23994862A | 1962-11-26 | 1962-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1071911A true GB1071911A (en) | 1967-06-14 |
Family
ID=22904448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43948/63A Expired GB1071911A (en) | 1962-11-26 | 1963-11-07 | Apparatus for energising an output matrix by a beam of collimated plane-polarized electromagnetic wave energy |
Country Status (3)
| Country | Link |
|---|---|
| DE (2) | DE1447283B2 (en) |
| GB (1) | GB1071911A (en) |
| SE (1) | SE321950B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209843A (en) * | 1987-09-11 | 1989-05-24 | British Telecomm | An optical space switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064556B (en) * | 1955-12-08 | 1959-09-03 | Deutsche Bundespost | Use of a transistor with partially falling characteristics for switching with short jump times |
| US3039005A (en) * | 1960-04-08 | 1962-06-12 | Ibm | Electro-optical device |
-
1963
- 1963-10-23 DE DE19631447283 patent/DE1447283B2/en active Pending
- 1963-10-23 DE DEW42419A patent/DE1285531B/en active Pending
- 1963-10-31 SE SE12013/63A patent/SE321950B/xx unknown
- 1963-11-07 GB GB43948/63A patent/GB1071911A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209843A (en) * | 1987-09-11 | 1989-05-24 | British Telecomm | An optical space switch |
| GB2209843B (en) * | 1987-09-11 | 1991-09-11 | British Telecomm | An optical space switch |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1447283B2 (en) | 1970-11-05 |
| SE321950B (en) | 1970-03-23 |
| DE1447283A1 (en) | 1968-11-21 |
| DE1285531B (en) | 1968-12-19 |
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