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germanium detectors industries

  • 81623B Germanium Optical Power Head

    81623B Germanium Optical Power Head ‹ › 1 This optical power head has a 5 mm diameter Ge detector for general purpose power measurements over the wide wavelength range of 750 1800nm A special version with Si detector for 450 1020 nm can be offered on request Configuration Options.

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  • Single Source Procurement Germanium SAGe Well Detector

    Canberra Industries Inc is the prime worldwide manufacturer of germanium detectors and the sole provider of the patented Small Anode Germanium SAGe Well Radiation Detector System and Method US Patent# USA1 The new technology offered with the SAGe detector provides enhanced performance and surveillance of highly sensitive low level energy gamma ray emitting

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  • particle physics

    Germanium detectors are useful for detecting WIMP sif they exist But if dark matter is in fact not weakly interacting or if WIMP s are not the dark matter we observe they are patently useless for dark matter studies endgroup crasic May 26 11 at 4 24 begingroup Something doesn t add up hereband gap of germanium is 800meV the deBye T of Ge is 360K making the highest

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  • All Canberra Industries catalogs and technical brochures

    All Canberra Industries catalogs and technical brochures CABV 31 Alpha and Beta Contamination Monitors for Clothes and Floors 2 Pages SBM 2D Soft Beta Dual Detector Probe 2 Pages OspreyUniversal Digital MCA Tube Base for Scintillation Spectrometry 4 Pages.

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  • Germanium Photodiodes

    Germanium photodiodes are commonly used to measure optical power in the NIR range especially in cost sensitive applications or where a large area detector is needed However germanium detectors have a lower shunt resistance and higher dark current than similarly sized InGaAs detectors resulting in higher noise levels overall Therefore germanium detectors are well suited for applications

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  • Germanium gamma‐ray detectors Physics Today Vol 30 No 11

    Germanium gamma‐ray detectors Devices either of lithium‐drifted germanium or the more recently developed high‐purity type find uses in such fields as nuclear and exotic‐atom studies nuclear medicine and activation analysis.

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  • Resolution and Efficiency of High Purity Germanium Detector

    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 These detectors directly collect the charges produced when the semiconductor material is ionized by the ionizing radiations Electron hole pairs are produced by ionization These pairs drift under an external electric

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  • OSF

    04.08.2018  Auto HPGe an autosampler for gamma ray spectroscopy using high purity germanium HPGe detectors and heavy shields Matheus C Carvalho Christian J Sanders Ceylena Holloway Radionuclide measurements have proven to be essential for determining processes related to pressing environmental issues as well as reconstructing historical events related to natural and

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  • PX5 HPGe DPP MCA and Power Supply for HPGe Detectors

    The PX5 HPGe is a modified version of Amptek s MCA and Power Supply PX5 signal processor and power supply A custom power supply board is installed in a standard PX5 providing

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  • Reliable Large Area Germanium Photodetectors Fabricated

    Morrison CB Boisvert JC Sudharsanan R Haddad M Isshiki T Krut DD King R Karam NH 2003 Reliable Large Area Germanium Photodetectors Fabricated with a Diffused Junction from In situ III V Epitaxial Material in RE Longshore S Sivananthan eds Proceedings of SPIEThe International Society for Optical Engineering vol 5209 pp 125 132 Materials for Infrared Detectors III

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  • Model Development of p i n Germanium Devices for Infrared

    We have successfully fabricated a germanium p i n infrared detector on a 300 mm p type silicon wafer Using a 300 mm wafer results in a higher yield which can save time and expenses We deposit pure germanium on the silicon wafer using a two step growth process which ensures a quality smooth epitaxial ger manium film without using very thick traditional SiGe buffer layers We per C R

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  • A Mathematical Approach to Determine Escape Peak

    10.04.2017  2011 A Mathematical Approach to Determine Escape Peak Efficiencies of High Purity Germanium Cylindrical Detectors for Prompt Gamma Neutron Activation Analysis Nuclear Technology Vol 175 Special Issue on The 16th Biennial Topical Meeting of The Radiation Protection and Shielding Division pp 162 167.

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  • Characterization of an HPGe detector for experiments on

    Purity Germanium HPGe detector produced in 1986 Several methods may be applied when predicting a given detector s response to dif ferent kinds of samples and measurement ge ometries 2 3 However given the fact that a detector s properties can vary over its life time and a limited knowledge of the germa nium crystal s dimensions it was bene cial to characterize the detector by

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  • Road tripping with a germanium detector

    10.10.2019  A LEGEND 200 germanium detector connected to a liquid nitrogen dewer and surrounded by lead bricks is scanned and characterized in a cleanroom on the 4850 Level of Sanford Lab Photo by Nick Hubbard All this information will prove invaluable when they are installed in LEGEND 200 the next generation neutrinoless double beta decay experiment at Gran Sasso National

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  • Axion Detection with Germanium Detectors

    Axion Detection with Germanium Detectors Hannah LeTourneau Department of Physics Whitworth University 300 W Hawthorne Rd Spokane WA 99251 Dated August 30 2013 The Majorana Demonstrator currently being constructed at Sanford Underground Research Facility in Lead South Dakota is an array of germanium detectors which will be used primarily to search for neutrinoless

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  • IRIS Industries WiDAR «wide band detection and ranging

    Our device concept is based on an avalanche photodiode structure with a germanium tin GeSn absorption layer for SWIR detection showing a high peak responsivity The GeSn alloy used in the focal plane array FPA of IRIS invention as core LiDAR component will provide a competitive advantage in terms of reliability and safety to the automotive sector and more widely the whole

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  • High Purity Germanium Crystals

    Umicore created the world s purest germanium crystal With a purity of 99. it is used to detect and analyse gamma rays in particle accelerators nuclear power plants and space applications such as the Gamma Ray Spectrometer on the Mars Odyssey spacecraft In 2003 this instrument discovered huge amounts of water across vast areas of Mars Today ultrapure germanium crystals

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  • Electronic Transport Properties of Silicon Germanium

    Electronic Transport Properties of Silicon Germanium Single Photon Avalanche Detectors Helen Rafferty Submitted in accordance with the requirements for the degree of Doctor of Philosophy The University of Leeds School of Electronic and Electrical Engineering October 2017 The candidate confirms that the work submitted is her own and that appropriate credit has been given where

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  • Germanium Crystal Sheet Ge Crystal Sheet

    Germanium Crystal Sheet Description Germanium crystal sheets can be used as windows lenses prisms etc for infrared detection and imaging systems Infrared single crystal germanium is widely used in 2um to 20um infrared optics and laser systems In addition single crystal germanium has a good transmittance within the infrared and far

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  • Deciphering Radiation Alarms Using High Purity Germanium

    18.12.2020  Nuclear regulators front line officers and technical support professionals from 24 countries shared their experiences using High Purity Germanium HPGe detectors to maintain and strengthen nuclear security during a virtual workshop The extremely sensitive HPGe detectors are critical for accurate identification and quantification of nuclear

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  • On the Underground Production of High Purity Germanium

    from Table 1 that for underground science with germanium detectors it is mainly 68Ge that may be a cause of concern The other Ge radionuclides will decay shortly after the detector or sample is taken underground In the early days of semiconductor developments in the 1940ies germanium was actually the material of choice particularly for bipolar devices The less advantageous properties of

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  • 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 Rays Provide Insight The ability to measure gamma radiation

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  • Germanium metal Detector

    12.03.2009  Germanium metal Detector Years ago I acquired a lump over 1 oz 28 grams of pure Germanium Looks like a tip knocked off of a boule While playing with my Galena set up I put the Ge lump in place of the Galena and touched a whisker to it It plays

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  • GERDA Home Page

    GERDA The GERDA experiment has been proposed in 2004 as a new 76 Ge double beta decay experiment at LNGS The GERDA installation is a facility with germanium detectors made out of isotopically enriched material The detectors are operated inside a liquid argon shield The experiment is located in Hall A of LNGS.

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  • Germanium a special material Detectors big is

    Germanium Detectors 300µm 3 cm x 100² 66 V 3 kV 660 kV Big detectors are good for spectroscopy Cannot compete with silicon spatial resolution But Germanium Detectors can be big 0.3 V But usually they are cylindrical.

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  • Germanium Crystal Gamma Spectroscopy Detectors for

    299 votes 27 comments 1.3m members in the specializedtools community A place to post tools which were created for a specific purpose Doesn t

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  • CHARACTERIZATION OF THE SEGMENTED HIGH

    PURITY GERMANIUM CLOVER DETECTOR FROM THE ELIADE ARRAY AT ELI NP Simona 1 3 4BĂRUȚĂ 1 2 ILIE 1 2 4 Călin A UR Octavian SIMA Gabriel SULIMAN 1 Gabriel V TURTURICĂ 1 Violeta IANCU Semiconductor detectors are routinely used in gammaray spectrometry Theircharacterization is crucial in order to perform quantitative and qualitative

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  • Semiconductor detector

    When germanium detectors were first developed only very small crystals were available Low efficiency was the result and germanium detector efficiency is still often quoted in relative terms to a standard 3″ x 3″ NaI Tl scintillation detector Crystal growth techniques have since improved allowing detectors to be manufactured that are as large as or larger than commonly available NaI

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  • Broad Energy Germanium Detectors BEGe Data Sheet

    Germanium Detectors DESCRIPTION The CANBERRA Broad Energy Ge BEGe Detector covers the energy range of 3 keV to 3 MeV like no other The resolution at low energies is equivalent to that of our Low Energy Ge LEGe Detector and the resolution at high energy is comparable to that of good quality coaxial SEGe detectors Most importantly the BEGe has a short fat shape which greatly enhances

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  • Germanium Detector System Market Size Research 2021

    Global Germanium Detector System Market Research report 2021 provides brief information about market trend competition landscape key players opportunities and prime challenges within the Germanium Detector System market It provides current market size and forecasts for the approaching years The report talks about the main trends and developments happening within the market.

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  • High Purity Germanium from gamma ray detection to dark

    In the early days of germanium γ ray detection less purified material was used The compensation method to reduce the net doping density was based on the Lithium Drifting technique 11 that leads to the neutralization of acceptors with the creation of Li acceptor pairs An electric voltage bias of a detector allows the drift of the interstitial Li ions The purification of Ge led to the

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  • Germanium Crystal Gamma Spectroscopy Detectors for

    Germanium Crystal Gamma Spectroscopy Detectors for measuring Cs Cesium levels in sediment Close 299 Posted by 2 days ago

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  • Gamma Ray Spectroscopy Group

    T.Engert Surface Characterisation of Germanium detectors poster Liverpool Farheen Naqvi former student from Delhi university Univ Köln PhD Thesis Probing the collectivity in neutron rich Cd isotopes via gamma ray spectroscopy PhD Talk Probing the collectivity in neutron rich Cd isotopes via gamma ray spectroscopy poster Isomer spectroscopy of 127 Cd Jochen Kunkel Diploma student from

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  • Germanium Crystal Sheet Ge Crystal Sheet

    Germanium Crystal Sheet Description Germanium crystal sheets can be used as windows lenses prisms etc for infrared detection and imaging systems Infrared single crystal germanium is widely used in 2um to 20um infrared optics and laser systems In addition single crystal germanium has a good transmittance within the infrared and far

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  • Measurement of the Potassium Content of Different Food

    High Purity Germanium Detectors The measurements described in the paper wereperformed with two different HPGe detectors 2 a Reverse Electrode coaxial Germanium Detector REGe and an eXtended Range Germanium detector XtRa Both are commercial detectors produced by Canberra The REGe is a closed end n type detector while the XtRa is a closed end p type detector Both have

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  • Germanium detector

    Other articles where Germanium detector is discussed 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 With an atomic number of 32 germanium has a much higher photoelectric cross section than silicon atomic

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  • Gamma and X Ray Detection

    Coaxial Ge detectors are specified in terms of their relative full energy peak efficiency compared to that of a 3 in x 3 in NaI Tl Scintillation detector at a detector to source distance of 25 cm Detectors of greater than 100 relative efficiency have been fabricated from germanium crystals ranging up to about 75 mm in diameter About two kg of germanium is required for such a detector.

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  • Germanium Detectors for the Far

    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 The bulk of our knowledge of the far infrared properties of astronomical objects has come from observations made with these detectors This paper describes the

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  • Metal Detectors for all industries

    Metal Detectors Metallic impurities in your product can always occur no matter how careful your processes are This makes it critical to remove contaminants before they damage production machinery or even the customer CASSEL metal detectors reliably detect all metallic contaminants and offer protection against machine damage production

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