We are using a 1-meter 86 degree grazing incidence model 247 McPherson spectrometer to measure the soft x-ray emission from laser plasma interaction. The detector is a single stage 2 inch diameter MCP with a potential of between of 200V to 1kV across it. The electron burst from the MCP is accelerated by another potential of 3 kV to 5 kV into a phosphor screen. The green photons from the phosphor is collected by a camera lens and sent to CCD camera. By adjusting the spectrograph, we obtained the 0-order spectrum.
Monday, September 25, 2006
Zeroth order spectrum form VUV spectrograph
We are using a 1-meter 86 degree grazing incidence model 247 McPherson spectrometer to measure the soft x-ray emission from laser plasma interaction. The detector is a single stage 2 inch diameter MCP with a potential of between of 200V to 1kV across it. The electron burst from the MCP is accelerated by another potential of 3 kV to 5 kV into a phosphor screen. The green photons from the phosphor is collected by a camera lens and sent to CCD camera. By adjusting the spectrograph, we obtained the 0-order spectrum.
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