Portable, low-power, mechanically cooled Ge spectrometer

J. A. Becker; C. P. Cork; L. Fabris; N. W. Madden

doi:10.1016/S0168-9002(03)01043-X

Portable, low-power, mechanically cooled Ge spectrometer

J. A. Becker, C. P. Cork, L. Fabris, N. W. Madden

Research output: Contribution to journal › Conference article › peer-review

6 Scopus citations

Abstract

A light-weight portable mechanically cooled γ-ray spectrometer has been constructed and tested. The spectrometer is based on a high-purity n-type Ge coaxial crystal, ∼ 5cm long×5cm diameter, a small, low-power Stirling cycle microcooler, and a low-power custom electronics package. The energy resolution of the spectrometer is ∼ 3.5keV at E_γ=662keV, the power requirements are ∼ 15W DC, and the combined weight of the Ge, housing, and controller is approximately 10 pounds. The spectrometer qualifies therefore as "hand held". It is suitable for field operations, because of its light-weight, low-power draw, and operational lifetime. The microcooler itself has a MTBF > 30,000h, and the spectrometer runs for several months (at least 6) before a 2 day recycle is required.

Original language	English
Pages (from-to)	167-169
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	505
Issue number	1-2
DOIs	https://doi.org/10.1016/S0168-9002(03)01043-X
State	Published - Jun 1 2003
Externally published	Yes
Event	Proceedings of the tenth Symposium on Radiation - Ann Arbor, MI, United States Duration: May 21 2002 → May 23 2002

Funding

This work was funded in part by DOE/NA, and performed under the auspices of the US Department of Energy by the University of California, Lawrence Livermore National Laboratory and Lawrence Berkeley National Laboratory, Contract No. W-7405-Eng-48 (LLNL), and Contract No. AC03 76SF00098(LBNL).

Funders	Funder number
DOE/NA
U.S. Department of Energy
University of California
Lawrence Livermore National Laboratory	AC03 76SF00098
Lawrence Berkeley National Laboratory	W-7405-Eng-48

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10.1016/S0168-9002(03)01043-X

Cite this

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title = "Portable, low-power, mechanically cooled Ge spectrometer",

abstract = "A light-weight portable mechanically cooled γ-ray spectrometer has been constructed and tested. The spectrometer is based on a high-purity n-type Ge coaxial crystal, ∼ 5cm long×5cm diameter, a small, low-power Stirling cycle microcooler, and a low-power custom electronics package. The energy resolution of the spectrometer is ∼ 3.5keV at Eγ=662keV, the power requirements are ∼ 15W DC, and the combined weight of the Ge, housing, and controller is approximately 10 pounds. The spectrometer qualifies therefore as {"}hand held{"}. It is suitable for field operations, because of its light-weight, low-power draw, and operational lifetime. The microcooler itself has a MTBF > 30,000h, and the spectrometer runs for several months (at least 6) before a 2 day recycle is required.",

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T1 - Portable, low-power, mechanically cooled Ge spectrometer

AU - Becker, J. A.

AU - Cork, C. P.

AU - Fabris, L.

AU - Madden, N. W.

PY - 2003/6/1

Y1 - 2003/6/1

N2 - A light-weight portable mechanically cooled γ-ray spectrometer has been constructed and tested. The spectrometer is based on a high-purity n-type Ge coaxial crystal, ∼ 5cm long×5cm diameter, a small, low-power Stirling cycle microcooler, and a low-power custom electronics package. The energy resolution of the spectrometer is ∼ 3.5keV at Eγ=662keV, the power requirements are ∼ 15W DC, and the combined weight of the Ge, housing, and controller is approximately 10 pounds. The spectrometer qualifies therefore as "hand held". It is suitable for field operations, because of its light-weight, low-power draw, and operational lifetime. The microcooler itself has a MTBF > 30,000h, and the spectrometer runs for several months (at least 6) before a 2 day recycle is required.

AB - A light-weight portable mechanically cooled γ-ray spectrometer has been constructed and tested. The spectrometer is based on a high-purity n-type Ge coaxial crystal, ∼ 5cm long×5cm diameter, a small, low-power Stirling cycle microcooler, and a low-power custom electronics package. The energy resolution of the spectrometer is ∼ 3.5keV at Eγ=662keV, the power requirements are ∼ 15W DC, and the combined weight of the Ge, housing, and controller is approximately 10 pounds. The spectrometer qualifies therefore as "hand held". It is suitable for field operations, because of its light-weight, low-power draw, and operational lifetime. The microcooler itself has a MTBF > 30,000h, and the spectrometer runs for several months (at least 6) before a 2 day recycle is required.

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DO - 10.1016/S0168-9002(03)01043-X

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VL - 505

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JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1-2

T2 - Proceedings of the tenth Symposium on Radiation

Y2 - 21 May 2002 through 23 May 2002

ER -

Portable, low-power, mechanically cooled Ge spectrometer

Abstract

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