What question did this study set out to answer?

To characterize the sensitivity, response time, and dynamic range of optical and electronic grade chemical vapor deposition (CVD) diamond detectors for inertial confinement fusion neutron diagnostics.

March 1, 2003Review of Scientific Instruments

CVD diamond as a high bandwidth neutron detector for inertial confinement fusion diagnostics

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Authors

GSG. J. SchmidHalliburton (United States)RGR. L. GriffithLawrence Livermore National Laboratory NIN. IzumiLawrence Livermore National Laboratory

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Implication

Experimental study reveals high sensitivity and sub-nanosecond response times in CVD diamond detectors, highlighting their viability for inertial confinement fusion diagnostics.

Key Points

To characterize the sensitivity, response time, and dynamic range of optical and electronic grade chemical vapor deposition (CVD) diamond detectors for inertial confinement fusion neutron diagnostics.
Tested four CVD diamond detectors (three optical grade and one electronic grade) biased to 1000 V/mm using a 50 Ω measurement system.
Measured detector responses to 2.5 MeV (DD fusion) and 14.0 MeV (DT fusion) neutrons at the OMEGA laser fusion facility.
Determined full width at half maximum (FWHM) response times using a pulsed laser and a 3 GHz oscilloscope.
Optical grade diamond achieved average sensitivities of 0.24 μV ns/n for 2.5 MeV neutrons and 0.62 μV ns/n for 14.0 MeV neutrons, with a 376 ps FWHM response time and a linear dynamic range of at least 10⁵.
Electronic grade diamond exhibited higher sensitivities of 0.56 μV ns/n for 2.5 MeV neutrons and 1.43 μV ns/n for 14.0 MeV neutrons, alongside an 880 ps FWHM response time.

Cite This Study

Schmid et al. (2003) studied this question.

synapsesocial.com/papers/6a937cc2736f279a1f7bfcdc https://doi.org/10.1063/1.1534899

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Implication

Experimental study reveals high sensitivity and sub-nanosecond response times in CVD diamond detectors, highlighting their viability for inertial confinement fusion diagnostics.

CVD diamond as a high bandwidth neutron detector for inertial confinement fusion diagnostics

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Implication

Key Points

Cite This Study

CVD diamond as a high bandwidth neutron detector for inertial confinement fusion diagnostics

Discussion

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Implication

Key Points

Cite This Study

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