XtRa (Extended Range) Ge Detector


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XtRa Coaxial Ge Detector

Features

  • Spectroscopy from 3 keV up
  • Wide range of efficiencies
  • High resolution – good peak shape
  • Excellent timing resolution
  • High energy rate capability
  • Diode FET protection
  • Warm-up/HV shutdown
  • High rate indicator

Description

The CANBERRA XtRa is a coaxial germanium detector having a unique thin-window contact on the front surface which extends the useful energy range down to 3 keV. Conventional coaxial detectors have a lithium-diffused contact typically between 0.5 and 1.5 mm thick. This dead layer stops most photons below 40 keV or so rendering the detector virtually worthless at low energies. The XtRa detector, with its exclusive thin entrance window and with a Beryllium cryostat window, offers all the advantages of conventional standard coaxial detectors such as high efficiency, good resolution, and moderate cost along with the energy response of the more expensive Reverse Electrode Ge (REGe) detector.

The response curves (above) illustrate the efficiency of the XtRa detector compared to a conventional Ge detector. The effective window thickness can be determined experimentally by comparing the intensities of the 22 keV and 88 keV peaks from 109Cd. With the standard 0.5 mm Be window, the XtRa detector is guaranteed to give a 22 to 88 keV intensity ratio of greater than 20:1. Aluminum windows are also available.

CANBERRA XtRa Ge detectors are available in a wide range of sizes. Consult the model list overleaf for detailed specifications.


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Models
GX10021: Model GX10021 Request a Quote
GX10023: Model GX10023 Request a Quote
GX1018: Model GX1018 Request a Quote
GX1019: Model GX1019 Request a Quote
GX1020: Model GX1020 Request a Quote
GX1518: Model GX1518 Request a Quote
GX1519: Model GX1519 Request a Quote
GX1520: Model GX1520 Request a Quote
GX2018: Model GX2018 Request a Quote
GX2019: Model GX2019 Request a Quote
GX2020: Model GX2020 Request a Quote
GX2518: Model GX2518 Request a Quote
GX2519: Model GX2519 Request a Quote
GX2520: Model GX2520 Request a Quote
GX3018: Model GX3018 Request a Quote
GX3019: Model GX3019 Request a Quote
GX3020: Model GX3020 Request a Quote
GX3518: Model GX3518 Request a Quote
GX3519: Model GX3519 Request a Quote
GX3520: Model GX3520 Request a Quote
GX4019: Model GX4019 Request a Quote
GX4020: Model GX4020 Request a Quote
GX4021: Model GX4021 Request a Quote
GX4519: Model GX4519 Request a Quote
GX4520: Model GX4520 Request a Quote
GX4521: Model GX4521 Request a Quote
GX5019: Model GX5019 Request a Quote
GX5020: Model GX5020 Request a Quote
GX5021: Model GX5021 Request a Quote
GX5520: Model GX5520 Request a Quote
GX5522: Model GX5522 Request a Quote
GX6020: Model GX6020 Request a Quote
GX6022: Model GX6022 Request a Quote
GX6520: Model GX6520 Request a Quote
GX6522: Model GX6522 Request a Quote
GX7020: Model GX7020 Request a Quote
GX7022: Model GX7022 Request a Quote
GX7520: Model GX7520 Request a Quote
GX7522: Model GX7522 Request a Quote
GX8021: Model GX8021 Request a Quote
GX8023: Model GX8023 Request a Quote
GX8521: Model GX8521 Request a Quote
GX8523: Model GX8523 Request a Quote
GX9021: Model GX9021 Request a Quote
GX9023: Model GX9023 Request a Quote
GX9521: Model GX9521 Request a Quote
GX9523: Model GX9523 Request a Quote


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