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Extended Range Coaxial Ge Detectors (XtRa)
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Product Spec Sheet PDF Format
XtRa Coaxial Ge Detector

Features

  • Spectroscopy from 3 keV to >10 MeV
  • 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 Carbon Composite 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 (below) 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 0.6 mm Carbon Composite window, the XtRa detector is guaranteed to give a 22 to 88 keV intensity ratio of greater than 20:1. Beryllium and 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.

XtRa Coaxial Ge Detector

Note to our International Customers: If you would like a quote on this product, please contact your Local Sales Office for assistance.

Models Description
GX1018 Extended Range Ge detector (= >10 ref. eff.)
GX1020 Extended Range Ge detector (= >10 ref. eff.)
GX1518 Extended Range Ge detector (= >15 ref. eff.)
GX1520 Extended Range Ge detector (= >15 ref. eff.)
GX2018 Extended Range Ge detector (= >20 ref. eff.)
GX2020 Extended Range Ge detector (= >20 ref. eff.)
GX2518 Extended Range Ge detector (= >25 ref. eff.)
GX2520 Extended Range Ge detector (= >25 ref. eff.)
GX3018 Extended Range Ge detector (= >30 ref. eff.)
GX3020 Extended Range Ge detector (= >30 ref. eff.)
GX3518 Extended Range Ge detector (= >35 ref. eff.)
GX3520 Extended Range Ge detector (= >35 ref. eff.)
GX4018 Extended Range Ge detector (= >40 ref. eff.)
GX4020 Extended Range Ge detector (= >40 ref. eff.)
GX4518 Extended Range Ge detector (= >45 ref. eff.)
GX4520 Extended Range Ge detector (= >45 ref. eff.)
GX5019 Extended Range Ge detector (= >50 ref. eff.)
GX5021 Extended Range Ge detector (= >50 ref. eff.)
GX5519 Extended Range Ge detector (= >55 ref. eff.)
GX5521 Extended Range Ge detector (= >55 ref. eff.)
GX6020 Extended Range Ge detector (= >60 ref. eff.)
GX6022 Extended Range Ge detector (= >60 ref. eff.)
GX6520 Extended Range Ge detector (= >65 ref. eff.)
GX6522 Extended Range Ge detector (= >65 ref. eff.)
GX7020 Extended Range Ge detector (= >70 ref. eff.)
GX7022 Extended Range Ge detector (= >70 ref. eff.)
GX8021 Extended Range Ge detector (= >80 ref. eff.)
GX8023 Extended Range Ge detector (= >80 ref. eff.)
GX9021 Extended Range Ge detector (= >90 ref. eff.)
GX9023 Extended Range Ge detector (= >90 ref. eff.)
GX10021 Extended Range Ge detector (= >100 ref. eff.)
GX10023 Extended Range Ge detector (= >100 ref. eff.)
GX11021 Extended Range Ge detector (= >110 ref. eff.)
GX11023 Extended Range Ge detector (= >110 ref. eff.)
GX12021 Extended Range Ge detector (= >120 ref. eff.)
GX12023 Extended Range Ge detector (= >120 ref. eff.)

QUESTIONS?

In the United States
(800) 243-3955

Outside United States:
(203) 238-2351

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