Research Article

A Continuous Millimeter-Wave Imaging Scanner for Art Conservation Science

Figure 1

Experimental setup. C: optical chopper, L: Teflon lenses ( 𝑓 = 6 0  mm), M: off-axis parabolic mirrors ( 𝑓 = 1 5 0  mm), S: sample, D: pyroelectric detector coupled to a lock-in amplifier.
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