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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: The two-wavelength laser cleaning methodology; theoretical background and examples from its application on CH objects and monuments with emphasis to the Athens Acropolis sculptures

Fig. 7

a Series of SQ and SN irradiation tests to remove dark over-layers from plaster, b SQ irradiation (four pulses at FIR = 0.4 J/cm2 and following 5 mm shift to the left four pulses at FUV = 0.6 J/cm2) and c SN irradiation (four pulses at FIR = 0.4 J/cm2 and FUV = 0.6 J/cm2)

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