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Germanium Detectors Teledyne Judson

2021-9-16  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. For applications where temperature stability of response is important near the cutoff, thermoelectrically cooled detectors

Germanium Detectors Mirion

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. Under reverse bias, an electric field extends across the intrinsic or depleted region. When photons interact with the material within the depleted volume of a detector

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.

Application of Germanium Detectors nuclear-power

HPGe detector with LN2 cryostat Source: canberra. Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy.In gamma spectroscopy, germanium is preferred due to its atomic number being much higher than silicon and which increases the probability of gamma ray interaction.

Germanium Detector Principle of Operation nuclear

HPGe detector with LN2 cryostat Source: canberra. Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy.In gamma spectroscopy, germanium is preferred due to its atomic number being much higher than silicon and which increases the probability of gamma ray interaction.

Germanium Detectors Manual Argonne National

2005-6-10  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. Under reverse bias, an electric field extends across the intrinsic or depleted region. When photons interact with

Germanium Detectors and Position Sensors

2016-10-11  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

Choose the right HPGe Radiation Detector Types of HPGe

Selecting the correct radiation detector for your specific application involves many criteria. Use ORTEC's energy range chart as well as the key attribute table to guide you in selecting the right High Purity Germanium Detector (HPGe) for your specific needs.

Chapter 8 Hyper-Pure Germanium Detector

2017-9-11  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 spectroscopy in the energy region of hundred keV or several MeV, much thicker semiconductor

High performance planar germanium-on-silicon single

2019-3-6  By incorporating germanium, single-photon avalanche diode detectors using silicon-based platforms are applied to infrared light detection. Here, a cost-effective planar detector geometry is

Germanium Detectors and Position Sensors

2016-10-11  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

Germanium Detectors for the Far stsci.edu

2005-12-7  Germanium far infrared detectors have been the detector of choice for low background astronomy between 50 and 240 m m. Large format arrays have been produced for flight on SIRTF, and germanium photoconductors will be used for instruments on SOFIA and FIRST. Ge:Ga shows non-linear behavior under very low backgrounds, but operational adjustments

Germanium X-Ray Detectors SpringerLink

Within the last five years (3,4) it has become clear that germanium is capable of rivaling silicon with certain advantages. This presentation reviews the development of these germanium detectors as devices for high resolution energy dispersive x-ray spectroscopy and compares their performance with silicon.

Germanium, a special material Detectors, big is beautiful

2016-7-14  Germanium detectors are not as fashionable as silicon detectors and in some respects more archaic. Germanium detectors are wonderful tools to understand radiation. Germanium detectors offer a lot of opportunity to further investigate their properties:. . charge transfer, charge trapping, surface effects,

Choose the right HPGe Radiation Detector Types of HPGe

Selecting the correct radiation detector for your specific application involves many criteria. Use ORTEC's energy range chart as well as the key attribute table to guide you in selecting the right High Purity Germanium Detector (HPGe) for your specific needs.

Characterization of high-purity germanium detectors with

2020-7-24  For the first time, planar high-purity germanium detectors with thin amorphous germanium contacts were successfully operated directly in liquid nitrogen and liquid argon in a cryostat at the Max-Planck-Institut für Physics in Munich. The detectors were fabricated at the Lawrence Berkeley National Laboratory and the University of South Dakota, using crystals grown at the University of South

Germanium Avalanche Photodiodes GPD Optoelectronics

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

LEGe™ Low Energy Germanium Detector

The Low Energy Germanium (LEGe) Detector is in all aspects optimized for performance at low and moderate energies and has specific advantages over conventional planar or coaxial detectors. The LEGe detector is fabricated with a thin front and side contact. The rear contact is of less than full area which gives a lower detector

Ortec High-Purity Germanium (HPGe) Gamma

No Limit to Detector Size. Compatible with All ORTEC High Purity Germanium detectors types. For High Purity Germanium Detectors within a Wide Range of Gamma Spectroscopy Applications. Lightweight and compact design. Low power operation (less than 400 W). Field replaceable: retrofits to existing detectors

High Purity Germanium: From Gamma-Ray Detection to

2019-2-15  High purity germanium remains the material of choice for the detection of photons in the range of MeV or higher, down to the hard X-ray range. Since the operation of HPGe-based detectors is possible only at or below the liquid nitrogen temperature, their advantage is

BNL Instrumentation Germanium Sensors

Germanium Detectors. With the highest energy resolution among compound semiconductors, germanium (Ge) is the material of choice for the detection of high-energy x-ray and gamma rays in photon science and other fields. With a dedicated cleanroom for Ge wafer processing, the Instrumentation Division develops Ge detectors with reasonable depletion

Germanium X-Ray Detectors SpringerLink

Within the last five years (3,4) it has become clear that germanium is capable of rivaling silicon with certain advantages. This presentation reviews the development of these germanium detectors as devices for high resolution energy dispersive x-ray spectroscopy and compares their performance with silicon.

Germanium detector radiation detection Britannica

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

Germanium Photodiodes GPD Optoelectronics

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

Germanium Avalanche Photodiodes GPD Optoelectronics

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

High Purity Germanium (HPGe) Detectors CAEN SyS

2021-9-1  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. Charge carriers, produced by the interaction of X and gamma rays in the intrinsic region, are

LEGe™ Low Energy Germanium Detector

The Low Energy Germanium (LEGe) Detector is in all aspects optimized for performance at low and moderate energies and has specific advantages over conventional planar or coaxial detectors. The LEGe detector is fabricated with a thin front and side contact. The rear contact is of less than full area which gives a lower detector

Ortec High-Purity Germanium (HPGe) Gamma

No Limit to Detector Size. Compatible with All ORTEC High Purity Germanium detectors types. For High Purity Germanium Detectors within a Wide Range of Gamma Spectroscopy Applications. Lightweight and compact design. Low power operation (less than 400 W). Field replaceable: retrofits to existing detectors

IMPROVING GERMANIUM DETECTOR RESOLUTION AND

2018-7-31  A major reliability improvement would be realized if germanium detectors were made less sensitive to storage and operational environments by improving the film coating used to passivate and protect the intercontact surface. This research is the investigation of two surface film techniques for passivating HPGe detector

Germanium Detector Repair Service ANTECH

Germanium Detector Repair Service Introduction 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. ANTECH is equipped with multiple turbo-molecular vacuum system pumping stations, a helium leak