Development of a Fully Time-Resolved X-ray Spectrograph

Award Information
Agency: Department of Defense
Branch: Defense Threat Reduction Agency
Contract: DTRA01-02-P-0149
Agency Tracking Number: T021-0067
Amount: $99,981.00
Phase: Phase I
Program: SBIR
Awards Year: 2002
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
2235 Polvorosa Avenue, Suite 230, San Leandro, CA, 94577
DUNS: 836439968
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Philip Coleman
 Principal Scientist
 (760) 436-5143
 coleman@aasc.net
Business Contact
 Mahadevan Krishnan
Title: President
Phone: (510) 483-4156
Email: krishnan@aasc.net
Research Institution
N/A
Abstract
"The Decade Quad/Half plasma radiation source (PRS) will provide environments to test the radiation hardness of critical military systems. Optimizing the Decade PRS will require a set of x-ray diagnostics that measure not only the net x-ray yield but alsothe temperature and density of the plasma that produces the x-rays. High quality spectral data are needed to derive the temperature and density. This SBIR proposal is for a time-resolved spectrograph that makes use of linear detectors that providecontinuous time coverage. No critical time gating is required. The sensors will be silicon pin diodes that have a very stable, well-defined sensitivity and sub-nanosecond response. Especially with our new interest in the free-bound continuum as afidelity enhancement, understanding the time-dependence of plasma temperature and density should help us optimize PRS output. In addition, from the point of view of the test object, it is quite important to know when the various spectral components hitthe target. The fidelity of the simulation can be greatly compromised if different photon energies arrive at the test point at different times. In Phase II, we can design a more advanced system that includes spatial resolution. The instrument developedunder this SBIR project will enable us to better diagnose and therefore to improve the efficiency of high current x-ray simulators. Wherever z-pinches or dense plasma focus systems are used as point x

* Information listed above is at the time of submission. *

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