Projection-type soft-X-ray band pass imaging system
An imaging system, transmission technology, applied in the field of X-ray imaging, to achieve the effect of solving the complex system and reducing the difference
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Embodiment 1
[0038] Example 1 Transmissive soft X-ray bandpass imaging system applied to measurement of laser strike point spot of radiation source
[0039] The transmission soft X-ray bandpass imaging system of this embodiment is applied to the measurement of the black cavity radiation source laser strike point spot, and the schematic diagram of the optical path is as figure 2 As shown, it includes: radiation source 1, imaging pinhole 2, filter 3, microchannel plate 6 and X-ray CCD 5.
[0040] The imaging pinhole 2 is located on the central line between the radiation source 1 and the X-ray CCD 5. The filter 3 and the microchannel plate 6 are located between the imaging pinhole 2 and the X-ray CCD 5, and the microchannel plate 6 is close to the X-ray CCD 5 surface. The filter 3 is a V filter; the imaging pinhole 2 has a diameter of 10um and is made in the center of a 20um thick tantalum plate.
[0041] In this embodiment, the X-ray emitted by the radiation source 1 passes through the imaging ...
Embodiment 2
[0043] Example 2 Four-channel transmission soft X-ray bandpass imaging system
[0044] The four-channel transmissive soft X-ray bandpass imaging system of this embodiment has a position arrangement similar to that of embodiment 1, and the schematic diagram of the optical path is as Figure 4 As shown, it includes: radiation source 1, 2*2 imaging pinhole array 7, 2*2 filter array 8, microchannel plate 6 and X-ray CCD 5. The radiation source 1 passes through the 2*2 imaging pinhole array 7 to obtain 4 images, and passes through the 2*2 filter array 8 and the microchannel plate 6 to image on the X-ray CCD 5.
[0045] In this embodiment, the filters used in the 2*2 filter array 7 are C, Ti, Fe, and Cu respectively, and each channel is configured with different filters to obtain measurement signal images of different energy bands. The bandpass curve obtained by the cooperation of each filter and the microchannel plate is as follows Figure 5 Shown. It can be seen that the four-chann...
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Abstract
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