BE725932A - - Google Patents
Info
- Publication number
- BE725932A BE725932A BE725932DA BE725932A BE 725932 A BE725932 A BE 725932A BE 725932D A BE725932D A BE 725932DA BE 725932 A BE725932 A BE 725932A
- Authority
- BE
- Belgium
Links
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
- H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/006—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects using optical pumping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/26—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/14—Apparatus for producing preselected time intervals for use as timing standards using atomic clocks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/106—Shields, screens, or guides for influencing the discharge using magnetic means
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Health & Medical Sciences (AREA)
- Geophysics (AREA)
- Geology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Environmental & Geological Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US765909A US3122702A (en) | 1958-10-07 | 1958-10-07 | Method and apparatus for producing and measuring the alignment of metastable helium atoms |
Publications (1)
Publication Number | Publication Date |
---|---|
BE725932A true BE725932A (ja) | 1969-05-29 |
Family
ID=25074858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE725932D BE725932A (ja) | 1958-10-07 | 1968-12-23 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3122702A (ja) |
BE (1) | BE725932A (ja) |
DE (1) | DE1233058B (ja) |
FR (1) | FR1246300A (ja) |
GB (1) | GB904260A (ja) |
NL (2) | NL244106A (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614642A (en) * | 1966-09-14 | 1971-10-19 | Univ Maryland | Gas laser |
US3495161A (en) * | 1967-01-19 | 1970-02-10 | Varian Associates | Optically driven atomic resonator systems employing means for modulating the sense of rotational polarization of the pumping light |
US3628130A (en) * | 1967-06-29 | 1971-12-14 | Texas Instruments Inc | METHOD AND APPARATUS FOR MEASURING THE ALIGNMENT OF METASTABLE He ATOMS BY DETECTION OF SCATTERED RESONANCE RADIATION |
US3513383A (en) * | 1968-01-04 | 1970-05-19 | Sinclair Research Inc | Optically pumped helium magnetometer |
US3725775A (en) * | 1968-08-23 | 1973-04-03 | R Gasser | Self-oscillating helium magnetometer |
DE2034797C3 (de) * | 1970-07-14 | 1974-02-21 | Bruker-Physik Ag, 7501 Forchheim | Magnetometer mit einer beweglichen Sonde |
US3629694A (en) * | 1970-11-23 | 1971-12-21 | Atlantic Richfield Co | Method and apparatus providing a difference signal indicative of radiation absorption in a magnetometer |
US5036278A (en) * | 1989-09-29 | 1991-07-30 | Polatomic, Inc. | Radiation source for helium magnetometers |
NL1026622C2 (nl) * | 2004-07-09 | 2006-01-10 | Crossworks Contra Consulting B | Gasontladingslamp met stabilisatiespoel. |
CN101836358B (zh) * | 2007-05-31 | 2013-10-16 | 皇家飞利浦电子股份有限公司 | 集成电路低噪声放大器 |
US10998689B2 (en) * | 2018-01-19 | 2021-05-04 | Shailendhar Saraf | Systems, apparatus, and methods for producing ultra stable, single-frequency, single-transverse-mode coherent light in solid-state lasers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US23769A (en) * | 1859-04-26 | Improvement in seeding-machines | ||
US2916690A (en) * | 1952-12-06 | 1959-12-08 | Gen Electric | Apparatus for measuring magnetic fields |
DE949357C (de) * | 1954-09-22 | 1956-09-20 | Dr Rer Nat Guenther Laukien | Verfahren und Geraet zum Messen und Steuern magnetischer Felder und zur Werkstoffpruefung |
-
0
- NL NL131636D patent/NL131636C/xx active
- NL NL244106D patent/NL244106A/xx unknown
-
1958
- 1958-10-07 US US765909A patent/US3122702A/en not_active Expired - Lifetime
-
1959
- 1959-10-06 DE DEF29552A patent/DE1233058B/de active Pending
- 1959-10-06 GB GB33835/59A patent/GB904260A/en not_active Expired
- 1959-10-07 FR FR806967A patent/FR1246300A/fr not_active Expired
-
1968
- 1968-12-23 BE BE725932D patent/BE725932A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3122702A (en) | 1964-02-25 |
DE1233058B (de) | 1967-01-26 |
FR1246300A (fr) | 1960-11-18 |
GB904260A (en) | 1962-08-22 |
NL244106A (ja) | |
NL131636C (ja) |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: TEXAS INSTRUMENTS INC. Effective date: 19871231 |