Time-Resolved Hard X-Ray Spectrometer
- NSTec
- Sandia
Wired array studies are being conducted at the SNL Z accelerator to maximize the x-ray generation for inertial confinement fusion targets and high energy density physics experiments. An integral component of these studies is the characterization of the time-resolved spectral content of the x-rays. Due to potential spatial anisotropy in the emitted radiation, it is also critical to diagnose the time-evolved spectral content in a space-resolved manner. To accomplish these two measurement goals, we developed an x-ray spectrometer using a set of high-speed detectors (silicon PIN diodes) with a collimated field-of-view that converged on a 1-cm-diameter spot at the pinch axis. Spectral discrimination is achieved by placing high Z absorbers in front of these detectors. We built two spectrometers to permit simultaneous different angular views of the emitted radiation. Spectral data have been acquired from recent Z shots for the radial and polar views. UNSPEC1 has been adapted to analyze and unfold the measured data to reconstruct the x-ray spectrum. The unfold operator code, UFO2, is being adapted for a more comprehensive spectral unfolding treatment.
- Research Organization:
- National Security Technologies, LLC
- Sponsoring Organization:
- USDOE - National Nuclear Security Administration (NNSA)
- DOE Contract Number:
- AC52-06NA25946
- OSTI ID:
- 917997
- Report Number(s):
- DOE/NV/25946--024; DOE/NV/11718--1280
- Journal Information:
- Hard X-Ray & Gamma Ray Detector Physics & Penetrating Radiation Systems VIII, Journal Name: Hard X-Ray & Gamma Ray Detector Physics & Penetrating Radiation Systems VIII
- Country of Publication:
- United States
- Language:
- English
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