Germanium Detectors

  • Measurement of Germanium Detector Efficiency

    The germanium (Ge) detector is a counting detector and is the instrument that we will be using to count individual gamma emissions from samples. Gamma emissions are direct indicators of decay events. Since we are only using one detector, we are missing most of the

  • Germanium_Detectors.pdf | Germanium | Chemistry - Scribd

    18 .Detector Descriptions Ge Well Detector The Canberra Germanium Well Detector provides maximum efficiency for small samples because the sample is virtually surrounded by active detector material. high-purity germanium detectors may be cycled repeatedly between LN 2 and room temperature with no compromise in performance.5 mm of aluminum so ...

  • ITECH INSTRUMENTS

    Germanium. Itech Instruments offers a variety of germanium detector options. Coaxial P type These detectors have a typical energy range 40 keV to 10 MeV. They are equipped with a preamplifier and high voltage filter with HV monitoring. Itech can offer detectors with efficiencies as high as >. The P-type is the typical crystal style …

  • On the Underground Production of High Purity …

    3 On the Underground Production of High Purity Germanium Detectors Mikael Hult1, Sergey Belogurov2, Allan Caldwell3, Josef Janicsko3, Vasiliy Kornoukhov2,4, Stefan Schönert5 1 European Commission-Joint Research Centre-Institute for Reference Materials and Measurements (EC-JRC-IRMM),

  • Workshop on Germanium-Based Detectors and Technologies …

    The University of California, Berkeley and Lawrence Berkeley National Laboratory will host a workshop on germanium-based detectors and technologies May 18-20 in Berkeley, California. The goal of the workshop is to explore the status, prospects, and issues for Ge-based detectors for science and security applications.

  • germanium detector | Special Nuclear Material

    A high-purity germanium (HPGe) detector is the ultimate instrument for energy spectrometry of gamma radiation. For the nuclear hobbyist, an HPGe opens a window into a fascinating realm of home-accessible, low-intensity nuclear reactions that are obscured by background in other detectors lacking the superlative resolution.

  • ORTEC - utoledo.edu

    “IEEE Test Procedures for Germanium Detectors for Ionizing Radiatio,” ANSI/IEEE Standard 325-1986. 2 Steps to Configure Your ORTEC HPGe Detector 1) Configure the Detector Model † Capsule type (PopTop or Streamline) † Ge Crystal efficiency and specifications † Endcap and window

  • High-purity Germanium (HPGe) Detectors - advancetech.in

    High-purity Germanium (HPGe) Detectors. Germanium (HPGe) detectors are semiconductor diodes having a p-i-n structure in which the intrinsic (I) region is sensitive to ionizing radiation, particularly x rays and gamma rays. Under reverse bias, an electric field extends across the intrinsic or depleted region.

  • High-Purity Germanium Detectors | S.S.B.I. Expotrs Pvt. Ltd.

    High- Purity Germanium detectors are mostly used for gamma spectroscopy in nuclear physics, as well as x-ray spectroscopy. SSBI can offer the optimum detector for a wide range of applications. We use both p-type and n-type germanium and we use diffused, implanted, and barrier contacts to achieve this product variety.

  • Gamma spectroscopy - Wikipedia

    The most common detectors include sodium iodide (NaI) scintillation counters and high-purity germanium detectors. Gamma spectroscopy detectors are passive materials that wait for a gamma interaction to occur in the detector volume.

  • Germanium Detectors Data Sheet - Canberra Industries

    3 Germanium Detectors Pulsed-Optical Reset preamplifiers are widely used on low energy detectors where resolution is of utmost consideration. Eliminating the feedback

  • Germanium Detectors Manual - aps.anl.gov

    Germanium detectors are semiconductor diodes having a P-I-N structure in which the Intrinsic (I) region is sensitive to ionizing radiation, particularly X rays and gamma rays.

  • Resolution and Efficiency of High Purity Germanium Detector

    5 High-Purity Germanium (HPGe) Detector High-Purity Germanium (HPGe) detector is a semiconductor particle detector. These detectors are mainly used in gamma ray spectroscopy. Germanium detectors are semiconductor diodes having a p-i-n structure in which the intrinsic (i) region is sensitive to ionizing radiation, particularly X-rays and Gamma rays.

  • HPGe Radiation Detector Stock List | AMETEK ORTEC

    High Purity Germanium (HPGe) Radiation Detectors. HPGe Radiation Detector Types and How to Choose GEM P-type Coaxial High Purity Germanium (HPGe) Radiation Detectors PROFILE GEM P-type Coaxial and Semi-Planar HPGe Radiation Detectors ...

  • radiation measurement | Germanium detectors - …

    radiation measurement - Germanium detectors - Semiconductor detectors also can be used in gamma-ray spectroscopy. In this case, however, it is advantageous to choose germanium rather than silicon as the detector material.

  • Germanium Gamma-Ray Imaging Detector

    The Germanium (Ge) Gamma-Ray Imaging (GI) Detector Is a Portable, High-Resolution Instrument for Security and Science Applications Livermore’s newest Ge-based radiation detector is ready to assist security personnel, first responders, scientists, and nonproliferation experts in locating and identifying nuclear materials.

  • Gamma and X-ray High Purity Germanium Spectrometer ...

    The gamma–ray Detection Device is based on a High Purity Germanium detector with Electric Machine Cooling which is intended for the conversion of Gamma-ray quantum energy using amplitude electric signals and their amplification for further registration with a nuclear physics apparatus.

  • Five things you need to know about using high-purity ...

    High-purity germanium (HPGe) detectors are the recognized gold standard for detection and identification of characteristic gamma rays from nuclear or radiological sources. No other detector comes close to matching their extremely high resolution …

  • Semiconductor detector - Wikipedia

    A semiconductor detector in ionising radiation detection physics is a device that uses a semiconductor (usually silicon or germanium) to measure the effect of incident charged particles or photons. Semiconductor detectors find broad application for radiation protection , gamma and X-ray spectrometry , and as particle detectors .

  • Germanium coaxial detector - Britannica.com

    In radiation measurement: Germanium detectors. The most common type of germanium gamma-ray spectrometer consists of a high-purity (mildly p-type) crystal fitted with electrodes in a coaxial configuration.Normal sizes correspond to germanium volumes of several hundred cubic centimetres.

  • Germanium detector | radiation detection | Britannica.com

    In radiation measurement: Germanium detectors. Semiconductor detectors also can be used in gamma-ray spectroscopy. In this case, however, it is advantageous to choose germanium rather than silicon as the detector material.

  • Chapter 8 Hyper-Pure Germanium Detector

    Chapter 8 Hyper-Pure Germanium Detector 8.1. Introduction Silicon semiconductor detectors described in the previous chapter have depletion depths less than 1 mm, which are sufficient for charged particle spectroscopy or soft X-ray detection. For photon

  • High Purity Germanium (HPGe) Radiation Detectors ...

    "ORTEC provides a comprehensive suite of HPGe radiation detector solutions covering an extensive range of energies and for a variety of applications. Learn more about ORTEC's High Purity Germanium Radiation Detectors (HPGe) today.

  • Germanium Detectors and Position Sensors - Teledyne Judson

    Germanium Detectors and Position Sensors ISO 9001 Certified. 2/20 Responsivity A Ge photodiode generates a current across the p-n or p-i-n junction when photons of sufficient energy are ab-sorbed within the active region. The responsivity (Amps/Watt) is a function of wavelength and detector temperature

  • Germanium Detector Repair | ANTECH

    Home | Services | Germanium Detector Repair Germanium Detector Repair. ANTECH offers a fast and cost-effective state-of-the-art High Purity Germanium (HPGe) Detector vacuum and electronic repair service at our facility in Denver, Colorado.

  • Characterization of a high-purity germanium detector …

    Sep 21, 2011· 1. Introduction. Attempts to apply segmented germanium planar detectors to nuclear medicine imaging extend back at least forty years (McCready et al., 1971).These early efforts were hindered by difficulties with detector fabrication, cumbersome electronics, and limited computing power, in addition to the need for a …

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  • High-purity Germanium (HPGe) Detectors - CANBERRA Industries

    Description. The conventional coaxial germanium detector is often referred to as Pure Ge, HPGe, Intrinsic Ge, or Hyperpure Ge. Regardless of the superlative used, the detector is basically a cylinder of germanium with an n-type contact on the outer surface, and a …

  • How Do Germanium Detectors Work? - YouTube

    Aug 11, 2017· A semiconductor detector in ionising radiation detection physics is a device that uses (usually silicon or germanium) to measure the effect of incident charged particles photons germanium ...

  • germanium detectors.pdf - October 4 2017 Start with ...

    View germanium detectors.pdf from NRE 3112 at Georgia Institute Of Technology. October 4 2017 Start with ultrapure Ge (most commonly ~1010/cm3 residual p- type impurity) Fabricate n+ and p+

  • High Purity Germanium Detectors at LBNL | U.S. DOE Office ...

    High resolution germanium tracking detector arrays, being developed at LBNL, is envisioned to track every gamma ray detected, providing complete energy and direction of travel information, and providing orders-of-magnitude increased sensitivity for gamma-ray detection.

  • Germanium Detectors for the Far - Home | STScI

    Germanium Detectors for the Far-Infrared . Erick T. Young Steward Observatory University of Arizona. Abstract. Germanium photoconductors have been used in a variety of infrared astronomical experiments, both airborne and space-based.

  • Germanium Detectors - Teledyne Judson

    Germanium Detectors Germanium Short Form Catalog in PDF Format . J16 Series detectors are high-quality Germanium photodiodes designed for the 800 to 1800nm wavelength range.

  • Application of Germanium Detectors to Environmental …

    Germanium detectors should be used to analyze environmental samples that may contain a complex mixture of radionuclides or unknown components because the resolution offered by germanium detectors is unexcelled in these applications. However, use of germanium detectors may not always be as economical as use of sodium …

  • Comparison of a High Purity Germanium Gamma …

    The first gamma ray spectrometer is the one dimensional High Purity Germanium spectrometer. The detector type is High Purity Germanium, which is a semiconductor that must be temperature controlled with liquid Nitrogen to 77 K due to excessive leakage current at higher temperatures 2 .

  • Home - PHDS Co. - Germanium Gamma Ray Imaging Detectors

    The New GeGI. The most sophisticated gamma-ray detector in the world, now in a more compact, lightweight form factor, same great performance.

  • Self-absorption corrections for well-type germanium detectors

    Corrections for self-absorption are of vital importance to accurate determination by gamma spectroscopy of radionuclides such as 210 Pb, 241 Am and 234 Th which emit low energy gamma radiation. A simple theoretical model for determining the necessary corrections for well-type germanium detectors is presented.