DE2248712A1 - Laser - Google Patents
LaserInfo
- Publication number
- DE2248712A1 DE2248712A1 DE19722248712 DE2248712A DE2248712A1 DE 2248712 A1 DE2248712 A1 DE 2248712A1 DE 19722248712 DE19722248712 DE 19722248712 DE 2248712 A DE2248712 A DE 2248712A DE 2248712 A1 DE2248712 A1 DE 2248712A1
- Authority
- DE
- Germany
- Prior art keywords
- crystal
- radiation
- energy
- nitrogen
- laser according
- 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
- 239000013078 crystal Substances 0.000 claims description 53
- 230000005855 radiation Effects 0.000 claims description 37
- 230000005284 excitation Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 16
- 239000002800 charge carrier Substances 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 9
- 230000001427 coherent effect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 60
- 229910052757 nitrogen Inorganic materials 0.000 description 30
- 229910005540 GaP Inorganic materials 0.000 description 15
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 10
- 229910052797 bismuth Inorganic materials 0.000 description 9
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006798 recombination Effects 0.000 description 5
- 238000005215 recombination Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000014277 Clidemia hirta Nutrition 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 241000069219 Henriettea Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000005264 electron capture Effects 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910000154 gallium phosphate Inorganic materials 0.000 description 1
- LWFNJDOYCSNXDO-UHFFFAOYSA-K gallium;phosphate Chemical compound [Ga+3].[O-]P([O-])([O-])=O LWFNJDOYCSNXDO-UHFFFAOYSA-K 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18763171A | 1971-10-08 | 1971-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2248712A1 true DE2248712A1 (de) | 1973-04-12 |
Family
ID=22689792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722248712 Pending DE2248712A1 (de) | 1971-10-08 | 1972-10-04 | Laser |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3761837A (OSRAM) |
| AU (1) | AU4732072A (OSRAM) |
| BE (1) | BE789732A (OSRAM) |
| CA (1) | CA968444A (OSRAM) |
| DE (1) | DE2248712A1 (OSRAM) |
| FR (1) | FR2156166B1 (OSRAM) |
| GB (1) | GB1379950A (OSRAM) |
| IT (1) | IT975199B (OSRAM) |
| NL (1) | NL7213570A (OSRAM) |
| SE (1) | SE380404B (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3851268A (en) * | 1973-05-11 | 1974-11-26 | Bell Telephone Labor Inc | Mini-laser |
| US3976872A (en) * | 1973-11-29 | 1976-08-24 | Honeywell Inc. | Gallium phosphide photodetector having an as-grown surface and producing an output from radiation having energies of 2.2 eV to 3.8 eV |
| US3978360A (en) * | 1974-12-27 | 1976-08-31 | Nasa | III-V photocathode with nitrogen doping for increased quantum efficiency |
| US4001719A (en) * | 1975-08-13 | 1977-01-04 | Bell Telephone Laboratories, Incorporated | Fabrication of a self-aligned mirror on a solid-state laser for controlling filamentation |
| US4162460A (en) * | 1976-05-26 | 1979-07-24 | Agency Of Industrial Science & Technology | Optical circuit element |
| NL8303168A (nl) * | 1983-09-14 | 1985-04-01 | Philips Nv | Inrichting voor het uitlezen van balken gecodeerde informatie. |
| WO2005045884A2 (en) * | 2003-11-10 | 2005-05-19 | Ramot At Tel-Aviv Universitiy Ltd. | Optical amplification in semiconductors |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE25632E (en) * | 1960-01-11 | 1964-08-18 | Optical maser | |
| US3592704A (en) * | 1968-06-28 | 1971-07-13 | Bell Telephone Labor Inc | Electroluminescent device |
-
0
- BE BE789732D patent/BE789732A/xx unknown
-
1971
- 1971-10-08 US US00187631A patent/US3761837A/en not_active Expired - Lifetime
-
1972
- 1972-05-15 CA CA142,120A patent/CA968444A/en not_active Expired
- 1972-09-26 SE SE7212403A patent/SE380404B/xx unknown
- 1972-10-03 AU AU47320/72A patent/AU4732072A/en not_active Expired
- 1972-10-04 DE DE19722248712 patent/DE2248712A1/de active Pending
- 1972-10-06 NL NL7213570A patent/NL7213570A/xx unknown
- 1972-10-06 IT IT7270171A patent/IT975199B/it active
- 1972-10-06 GB GB4620372A patent/GB1379950A/en not_active Expired
- 1972-10-06 FR FR7235612A patent/FR2156166B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA968444A (en) | 1975-05-27 |
| US3761837A (en) | 1973-09-25 |
| FR2156166A1 (OSRAM) | 1973-05-25 |
| SE380404B (sv) | 1975-11-03 |
| NL7213570A (OSRAM) | 1973-04-10 |
| GB1379950A (en) | 1975-01-08 |
| AU4732072A (en) | 1974-04-11 |
| IT975199B (it) | 1974-07-20 |
| FR2156166B1 (OSRAM) | 1977-04-01 |
| BE789732A (fr) | 1973-02-01 |
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