CH369799A - Anordnung zur Verstärkung oder Erzeugung hochfrequenter Schwingungen unter Ausnützung freier gyromagnetischer Präzession - Google Patents

Anordnung zur Verstärkung oder Erzeugung hochfrequenter Schwingungen unter Ausnützung freier gyromagnetischer Präzession

Info

Publication number
CH369799A
CH369799A CH5900458A CH5900458A CH369799A CH 369799 A CH369799 A CH 369799A CH 5900458 A CH5900458 A CH 5900458A CH 5900458 A CH5900458 A CH 5900458A CH 369799 A CH369799 A CH 369799A
Authority
CH
Switzerland
Prior art keywords
amplifying
arrangement
free
generating high
frequency vibrations
Prior art date
Application number
CH5900458A
Other languages
English (en)
Inventor
Arthur Anderson Weston
Tracy Arnold James
Bloch Felix
Original Assignee
Varian Associates
Bloch Felix
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 by Varian Associates, Bloch Felix filed Critical Varian Associates
Publication of CH369799A publication Critical patent/CH369799A/de

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/46—NMR spectroscopy
    • 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
    • H01S1/02—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range solid
    • 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
    • H01S1/04—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Hall/Mr Elements (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CH5900458A 1957-05-02 1958-05-01 Anordnung zur Verstärkung oder Erzeugung hochfrequenter Schwingungen unter Ausnützung freier gyromagnetischer Präzession CH369799A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US656606A US3075156A (en) 1957-05-02 1957-05-02 Gyromagnetic method and apparatus

Publications (1)

Publication Number Publication Date
CH369799A true CH369799A (de) 1963-06-15

Family

ID=24633773

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5900458A CH369799A (de) 1957-05-02 1958-05-01 Anordnung zur Verstärkung oder Erzeugung hochfrequenter Schwingungen unter Ausnützung freier gyromagnetischer Präzession

Country Status (5)

Country Link
US (1) US3075156A (de)
CH (1) CH369799A (de)
DE (1) DE1170019B (de)
FR (1) FR1206700A (de)
GB (2) GB892100A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195061A (en) * 1965-07-13 Radio frequency amplification by stimulated emission of radiation
US3172035A (en) * 1961-05-08 1965-03-02 Varian Associates Probe for a gyromagnetic resonance apparatus
US3378686A (en) * 1963-04-08 1968-04-16 California Inst Res Found Method of operating a laser as a super-regenerative detector
US3430128A (en) * 1965-03-26 1969-02-25 Amory B Lovins Method and means for observing nuclear magnetic resonances
US3461381A (en) * 1968-06-14 1969-08-12 Varian Associates Phase sensitive analog fourier analyzer readout for stored impulse resonance spectral data
US4219775A (en) * 1969-06-11 1980-08-26 Westinghouse Electric Corp. Electron spin echo system having magnetic field shift during generation of the echo signal
US4093910A (en) * 1977-02-22 1978-06-06 Varian Associates, Inc. Nuclear magnetic resonance pick-up circuit for control of resonance conditions
US8148981B2 (en) * 2007-12-20 2012-04-03 Kabushiki Kaisha Toshiba MRI apparatus and MRI method for SSFP with center frequency and 1st order gradient moments zeroed
US8710836B2 (en) * 2008-12-10 2014-04-29 Nanomr, Inc. NMR, instrumentation, and flow meter/controller continuously detecting MR signals, from continuously flowing sample material
DE102016204733B4 (de) 2015-12-30 2019-05-09 Forschungszentrum Jülich GmbH CW-Maser mit elektromagnetischem Schwingkreis

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677758A (en) * 1945-12-10 1954-05-04 Us Sec War Electrical tracking circuit
US2589494A (en) * 1948-07-20 1952-03-18 Rca Corp Stabilizing method and system utilizing nuclear precession
US2793360A (en) * 1951-05-31 1957-05-21 Hughes Aircraft Co Devices employing the precession resonance of paramagnetic media
US2721970A (en) * 1952-01-30 1955-10-25 Varian Associates Method and means for identifying substances
US2820944A (en) * 1952-09-23 1958-01-21 Philco Corp Method of and means for measuring frequency
US2743322A (en) * 1952-11-29 1956-04-24 Bell Telephone Labor Inc Solid state amplifier
US2802944A (en) * 1953-12-30 1957-08-13 Rca Corp Oscillators employing microwave resonant substance
US2762871A (en) * 1954-12-01 1956-09-11 Robert H Dicke Amplifier employing microwave resonant substance
US2762872A (en) * 1954-12-01 1956-09-11 Robert H Dicke Microwave amplifier employing a microwave resonant gas as the amplifying element
NL221512A (de) * 1956-10-15

Also Published As

Publication number Publication date
GB892101A (en) 1962-03-21
GB892100A (en) 1962-03-21
FR1206700A (fr) 1960-02-11
DE1170019B (de) 1964-05-14
US3075156A (en) 1963-01-22

Similar Documents

Publication Publication Date Title
FR1122999A (fr) Procédé et appareil de résonance gyromagnétique
CH369799A (de) Anordnung zur Verstärkung oder Erzeugung hochfrequenter Schwingungen unter Ausnützung freier gyromagnetischer Präzession
CH374394A (de) Frequenzselektive Anordnung
CH381717A (de) Verfahren zur Hochhärtung von nichtaustenitischen Stählen
CH375891A (de) Verfahren zur Stabilisierung von hochmolekularen Kohlenwasserstoffen
CH365561A (de) Apparat zur Erzeugung stabiler gyromagnetischer Signale
CH382470A (de) Verfahren und Gerät zur Erzeugung von stabilen gyromagnetischen Resonanzsignalen
CH355527A (de) Halbleitervorrichtung zur Erzeugung von Kippvorgängen
CH352010A (de) Anordnung zur elektromagnetischen Beeinflussung von Kontakten
CH351998A (de) Einrichtung zur elastischen Anlenkung von Kuppelstangen an Fahrzeugen
CH377484A (de) Verfahren zur Gewinnung von Novobiocin und von Dihydronovobiocin
AT207438B (de) Anordnung zur Befestigung von schneidengelagerten Magnetankern
CH336680A (de) Verfahren und Vorrichtung zur Zubereitung von Speisen
CH419253A (de) Verfahren zur Erzeugung sich selbst aufrechterhaltender Schwingungen unter Ausnützung gyromagnetischer Resonanzen
CH355868A (de) Vorrichtung zur elektrischen Erregung von Muskeln
CH366896A (de) Verfahren und Anordnung zur Erzeugung von Rechteckspannungen
AT196649B (de) Vorrichtung zur Bodenbearbeitung
AT196233B (de) Vorrichtung zur Eindickung von Faseraufschwemmungen
AT193700B (de) Feinstimmvorrichtung für Saiteninstrumente
CH411394A (de) Anordnung zur stabilisierten Erzeugung gyromagnetischer Resonanzen und Verfahren zum Betrieb der genannten Anordnung
AT197432B (de) Hochfrequenzverstärker mit Transistoren
CH349343A (de) Verfahren und Einrichtung zur Erzeugung einer von der Amplitude einer Schwingung abhängigen mechanischen Verstellung
FR1199891A (fr) Dispositif de mesure du gradient de champs magnétiques de faible intensité
AT208934B (de) Schaltungsanordnung zur Synchronisierung eines Schwingungserzeugers
AT199707B (de) Anordnung zur elektromagnetischen Beeinflussung von Kontakten