FR2406207A1 - Dispositif pour l'attenuation du flux lumineux, notamment pour l'affaiblissement supplementaire des scintillations pendant la mesure de l'activite des isotopes radioactifs - Google Patents

Dispositif pour l'attenuation du flux lumineux, notamment pour l'affaiblissement supplementaire des scintillations pendant la mesure de l'activite des isotopes radioactifs

Info

Publication number
FR2406207A1
FR2406207A1 FR7828681A FR7828681A FR2406207A1 FR 2406207 A1 FR2406207 A1 FR 2406207A1 FR 7828681 A FR7828681 A FR 7828681A FR 7828681 A FR7828681 A FR 7828681A FR 2406207 A1 FR2406207 A1 FR 2406207A1
Authority
FR
France
Prior art keywords
attenuation
activity
measurement
luminous flux
radioactive isotopes
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.)
Withdrawn
Application number
FR7828681A
Other languages
English (en)
Inventor
Krzysztof Pochwalski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Instytut Badan Jadrowych
Original Assignee
Instytut Badan Jadrowych
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 Instytut Badan Jadrowych filed Critical Instytut Badan Jadrowych
Publication of FR2406207A1 publication Critical patent/FR2406207A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/204—Measuring radiation intensity with scintillation detectors the detector being a liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Measurement Of Radiation (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

Dispositif pour l'atténuation du flux lumineux comprenant une chambre de mesure renfermant un flacon de mesure constituant la source de lumière, accouplé optiquement à des photomultiplicateurs des détecteurs de lumière. Le dispositif est équipé d'un ressort cylindrique 6 placé entre les photomultiplicateurs 3 et le flacon de mesure 2, lequel ressort fonctionne en guise de diaphragme réglable. Mesure de l'activité des isotopes radioactifs.
FR7828681A 1977-10-12 1978-10-06 Dispositif pour l'attenuation du flux lumineux, notamment pour l'affaiblissement supplementaire des scintillations pendant la mesure de l'activite des isotopes radioactifs Withdrawn FR2406207A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL1977201490A PL109251B1 (en) 1977-10-12 1977-10-12 Device for damping light stream,specially for additional extinction of scintillation in measurements of activity of radioactive isotopes

Publications (1)

Publication Number Publication Date
FR2406207A1 true FR2406207A1 (fr) 1979-05-11

Family

ID=19985050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828681A Withdrawn FR2406207A1 (fr) 1977-10-12 1978-10-06 Dispositif pour l'attenuation du flux lumineux, notamment pour l'affaiblissement supplementaire des scintillations pendant la mesure de l'activite des isotopes radioactifs

Country Status (7)

Country Link
US (1) US4205231A (fr)
CA (1) CA1098222A (fr)
DE (2) DE2844148A1 (fr)
FR (1) FR2406207A1 (fr)
GB (1) GB2005828B (fr)
PL (1) PL109251B1 (fr)
SE (1) SE7810617L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189438A1 (fr) * 1984-05-21 1986-08-06 Beckman Instruments, Inc. Appareil pour inhibition optique d'un echantillon
US7332723B2 (en) * 2003-12-02 2008-02-19 Siemens Medical Solutions Usa, Inc. Variable gain imaging
CN111965687B (zh) * 2020-08-26 2022-08-05 山西医科大学 一种活度检测工位
CN111999763B (zh) * 2020-08-26 2022-12-30 山西医科大学 容纳装置及活度检测工位、活度检测方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1540349A (fr) * 1967-03-29 1968-09-27 Intertechique S A Passeur d'échantillons, notamment pour spectromètre à scintillation liquide
US4021670A (en) * 1975-09-10 1977-05-03 Noakes John E Sealable high counting efficiency liquid scintillation vials

Also Published As

Publication number Publication date
DE7830196U1 (de) 1979-11-08
DE2844148A1 (de) 1979-04-19
GB2005828A (en) 1979-04-25
GB2005828B (en) 1982-02-24
US4205231A (en) 1980-05-27
SE7810617L (sv) 1979-04-12
PL109251B1 (en) 1980-05-31
CA1098222A (fr) 1981-03-24
PL201490A1 (pl) 1978-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse