Laser fusion ion temperatures determined by neutron time-of-flight techniques

Measurements have been made of the energy spectrum of neutrons emitted as a result of laser compression of D-T-filled glass microshells using a time-of-flight spectrometer. From the width of unfolded energy spectra, plasma ion temperatures of approximately 6 keV have been determined for 90-μm-diam t...

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Bibliographic Details
Published in:Applied physics letters 1977-11, Vol.31 (10), p.645-647
Main Authors: Lerche, R. A., Coleman, L. W., Houghton, J. W., Speck, D. R., Storm, E. K.
Format: Article
Language:English
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Summary:Measurements have been made of the energy spectrum of neutrons emitted as a result of laser compression of D-T-filled glass microshells using a time-of-flight spectrometer. From the width of unfolded energy spectra, plasma ion temperatures of approximately 6 keV have been determined for 90-μm-diam targets irradiated with 2 TW of 1.06-μm light. The measured mean neutron energy of 14.00±0.10 MeV agrees with the expected value of 14.05 MeV.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.89509