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Figure 4
Difference spectrum of the spectra shown in Fig. 3 , with the `after exposure' spectrum first scaled to be identical to the `before exposure' value at 222 nm, then the `before exposure' subtracted from it. |
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Figure 4
Difference spectrum of the spectra shown in Fig. 3 , with the `after exposure' spectrum first scaled to be identical to the `before exposure' value at 222 nm, then the `before exposure' subtracted from it. |