Performance measurements of the DIXI (dilation x-ray imager) photocathode using a laser produced x-ray source

Sabrina R. Nagel; M. J. Ayers; B. Felker; T. J. Hilsabeck; T. Chung; R. F. Smith; P. M. Bell; D. K. Bradley; G. W. Collins; J. D. Kilkenny; B. Sammuli; J. D. Hares; A. K. L. Dymoke-Bradshaw

doi:10.1117/12.929736

19 October 2012 Performance measurements of the DIXI (dilation x-ray imager) photocathode using a laser produced x-ray source

Sabrina R. Nagel, M. J. Ayers, B. Felker, T. J. Hilsabeck, T. Chung, R. F. Smith, P. M. Bell, D. K. Bradley, G. W. Collins, J. D. Kilkenny, B. Sammuli, J. D. Hares, A. K. L. Dymoke-Bradshaw

Author Affiliations +

Proceedings Volume 8505, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion; 85050H (2012) https://doi.org/10.1117/12.929736
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

DIXI (dilation x-ray imager) will be used to characterize ICF (inertial confinement fusion) implosions on the NIF. DIXI utilizes pulse-dilation technology¹ to achieve x-ray imaging with temporal gate times below 10 ps. Time resolved x-ray measurements were conducted using the COMET laser facility at the Lawrence Livermore National Laboratory. Here we focus on some of the challenges faced by the large aperture photo cathode of the instrument and report on how to maintain a at photo cathode as well as how the required spatial resolution of the instrument is achieved.

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Sabrina R. Nagel, M. J. Ayers, B. Felker, T. J. Hilsabeck, T. Chung, R. F. Smith, P. M. Bell, D. K. Bradley, G. W. Collins, J. D. Kilkenny, B. Sammuli, J. D. Hares, and A. K. L. Dymoke-Bradshaw "Performance measurements of the DIXI (dilation x-ray imager) photocathode using a laser produced x-ray source", Proc. SPIE 8505, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion, 85050H (19 October 2012); https://doi.org/10.1117/12.929736

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