Measurement of the time- and axially-resolved temperature ofan argon z-pinch

We describe the design and use of a trio of modest spatial (~3 mm) resolution X-ray "streak" cameras using 3 linear arrays of photoconducting diamonds (PCDs). By multiplexing 3 pixels onto each recording channel with delay lines, a practical number of high speed (5 GS/s) digitizers can record the data from the arrays. An imaging slit is positioned transverse to the linear arrays. With appropriate filtration for each array, we achieve resolution in time, in one-dimension of space and in wavelength for the X-ray emission of a Z-pinch. Example data will be presented for an argon implosion with a peak current of 6 MA. The results give nanosecond detail on the K-shell X-ray power as well as the intensity and temperature of the free-bound continuum emission, all as a function of axial distance along the pinch.