Figure 3| The microscopy images of the 3 painting samples. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 3| The microscopy images of the 3 painting samples.

Caption

Figure 3 | The microscopy images of the 3 painting samples. Photographs of experimental observed logos of a, Tongji University, b, National University of Singapore, and c, Institute of Precision Optical Engineering. d, SEM images of the three samples. Scale bar, 200 µm. Insets show enlarged different color regions. Each pixel is designed with a size of 6.7 µm and filled with the same structure. Scale bar, 1 µm.

Credit

Yuzhi Shi et al.

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License

CC BY

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