GB1089453A - Improvements in or relating to apparatus employing semiconductor crystals for producig or amplifying electromagnetic radiation - Google Patents
Improvements in or relating to apparatus employing semiconductor crystals for producig or amplifying electromagnetic radiationInfo
- Publication number
- GB1089453A GB1089453A GB35263/64A GB3526364A GB1089453A GB 1089453 A GB1089453 A GB 1089453A GB 35263/64 A GB35263/64 A GB 35263/64A GB 3526364 A GB3526364 A GB 3526364A GB 1089453 A GB1089453 A GB 1089453A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- stage
- output
- crystal
- radiation
- 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
- 239000013078 crystal Substances 0.000 title abstract 17
- 239000004065 semiconductor Substances 0.000 title abstract 2
- 230000005670 electromagnetic radiation Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 abstract 8
- 230000001427 coherent effect Effects 0.000 abstract 5
- 230000001678 irradiating effect Effects 0.000 abstract 3
- 230000003321 amplification Effects 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 2
- 230000005298 paramagnetic effect Effects 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 2
- 241000931526 Acer campestre Species 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000005684 electric field Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000001959 radiotherapy Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/041—Optical pumping
-
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3534—Three-wave interaction, e.g. sum-difference frequency generation
-
- 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
-
- 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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4006—Injection locking
-
- 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
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
- H01S5/509—Wavelength converting amplifier, e.g. signal gating with a second beam using gain saturation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Recrystallisation Techniques (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES87019A DE1201487B (de) | 1958-03-26 | 1963-08-30 | Optischer Sender oder Verstaerker, dessen selektiv fluoreszentes Medium aus mehrerenKristall-Teilsystemen besteht |
| DES87020A DE1205621B (de) | 1963-08-30 | 1963-08-30 | Optischer Sender oder Verstaerker, dessen selektiv fluoreszentes Medium aus mehrerenKristall-Teilsystemen besteht |
| DES87021A DE1205622B (de) | 1963-08-30 | 1963-08-30 | Optischer Sender oder Verstaerker, dessen selektiv fluoreszentes Medium aus mehreren Kristall-Teilsystemen besteht |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1089453A true GB1089453A (en) | 1967-11-01 |
Family
ID=27212850
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35263/64A Expired GB1089453A (en) | 1963-08-30 | 1964-08-28 | Improvements in or relating to apparatus employing semiconductor crystals for producig or amplifying electromagnetic radiation |
| GB35261/64A Expired GB1089452A (en) | 1963-08-30 | 1964-08-28 | Improvements in or relating to apparatus employing semiconductor crystals for producing or amplifying electromagnetic radiation |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35261/64A Expired GB1089452A (en) | 1963-08-30 | 1964-08-28 | Improvements in or relating to apparatus employing semiconductor crystals for producing or amplifying electromagnetic radiation |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3398294A (enExample) |
| CH (2) | CH444329A (enExample) |
| DE (2) | DE1205621B (enExample) |
| GB (2) | GB1089453A (enExample) |
| NL (2) | NL6407584A (enExample) |
| SE (2) | SE318042B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2479586A1 (fr) * | 1980-03-27 | 1981-10-02 | Zaidan Hojin Handotai Kenkyu | Generateur d'ondes electromagnetiques dans l'infrarouge lointain |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3628186A (en) * | 1969-03-20 | 1971-12-14 | Bell Telephone Labor Inc | Parametric oscillator with nonresonant signal |
| US3816754A (en) * | 1973-03-21 | 1974-06-11 | Ibm | Tunable infrared/ultraviolet laser |
| US8994934B1 (en) | 2010-11-10 | 2015-03-31 | Chemimage Corporation | System and method for eye safe detection of unknown targets |
| US8743358B2 (en) | 2011-11-10 | 2014-06-03 | Chemimage Corporation | System and method for safer detection of unknown materials using dual polarized hyperspectral imaging and Raman spectroscopy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1018867A (en) * | 1962-10-04 | 1966-02-02 | Hughes Aircraft Co | Coherent light generator |
-
1963
- 1963-08-30 DE DES87020A patent/DE1205621B/de active Pending
- 1963-08-30 DE DES87021A patent/DE1205622B/de active Pending
-
1964
- 1964-04-30 CH CH569364A patent/CH444329A/de unknown
- 1964-04-30 CH CH569564A patent/CH451344A/de unknown
- 1964-06-05 SE SE6912/64A patent/SE318042B/xx unknown
- 1964-06-10 SE SE7088/64A patent/SE318043B/xx unknown
- 1964-07-03 NL NL6407584A patent/NL6407584A/xx unknown
- 1964-07-10 NL NL6407887A patent/NL6407887A/xx unknown
- 1964-08-27 US US393012A patent/US3398294A/en not_active Expired - Lifetime
- 1964-08-28 GB GB35263/64A patent/GB1089453A/en not_active Expired
- 1964-08-28 GB GB35261/64A patent/GB1089452A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2479586A1 (fr) * | 1980-03-27 | 1981-10-02 | Zaidan Hojin Handotai Kenkyu | Generateur d'ondes electromagnetiques dans l'infrarouge lointain |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1205622B (de) | 1965-11-25 |
| DE1205621B (de) | 1965-11-25 |
| NL6407584A (enExample) | 1965-03-01 |
| SE318042B (enExample) | 1969-12-01 |
| GB1089452A (en) | 1967-11-01 |
| CH444329A (de) | 1967-09-30 |
| CH451344A (de) | 1968-05-15 |
| SE318043B (enExample) | 1969-12-01 |
| US3398294A (en) | 1968-08-20 |
| NL6407887A (enExample) | 1965-03-01 |
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