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
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE725932A publication Critical patent/BE725932A/xx

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
    • 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
    • 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
    • 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
    • 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
    • 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)
BE725932D 1958-10-07 1968-12-23 BE725932A (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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)

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TEXAS INSTRUMENTS INC.

Effective date: 19871231