Time-Resolved Spectroscopy For Detailed Studies (X/ Ax > 1000) Of Weak X-Ray Emitters In Laser Plasmas

R. S. Marjoribanks; M. C. Richardson; P. R. Audebert; D. K. Bradley; G. G. Gregory; P. A. Jaanimagi

doi:10.1117/12.965037

4 February 1988 Time-Resolved Spectroscopy For Detailed Studies (X/ Ax > 1000) Of Weak X-Ray Emitters In Laser Plasmas

R. S. Marjoribanks, M. C. Richardson, P. R. Audebert, D. K. Bradley, G. G. Gregory, P. A. Jaanimagi

Proceedings Volume 0831, X-Rays from Laser Plasmas; (1988) https://doi.org/10.1117/12.965037
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

A conically-curved crystal x-ray spectrograph of a design proposed previously has been implemented, and combined with an x-ray streak camera to produce a streak spectrograph. The spectrograph design differs from more common curved crystal designs in that it collects a solid angle of x-rays and produces a line focus spectrum perpendicular to the axis from the source. Initial efforts using a mica crystal have produced a time-resolving spectrograph of especial interest to time-resolution of weak laser-plasma emission, having moderate spectral resolving power (λ/Aλ 600-1000), collection efficiency 50-100 times that of a comparably deployed planar crystal spectrograph and streak camera, and time resolution of 20-40 ps. The device is demonstrated in experiments time-resolving the temperature and density of thin aluminum signature layers isolated in spherical plastic targets.

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R. S. Marjoribanks, M. C. Richardson, P. R. Audebert, D. K. Bradley, G. G. Gregory, and P. A. Jaanimagi "Time-Resolved Spectroscopy For Detailed Studies (X/ Ax > 1000) Of Weak X-Ray Emitters In Laser Plasmas", Proc. SPIE 0831, X-Rays from Laser Plasmas, (4 February 1988); https://doi.org/10.1117/12.965037

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