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Fig. 6 | Frontiers in Zoology

Fig. 6

From: Unique wing scale photonics of male Rajah Brooke’s birdwing butterflies

Fig. 6

Polarizing optics of the green scales. a, b Local epi-illumination of a green scale with normally-incident light linearly-polarized perpendicular (TE) and parallel (TM) to the ridges. c Reflectance spectra corresponding to panel (a) and (b). d, e Photographs of a dorsal right wing under about perpendicular and oblique (~45°) illumination. Scale bars: a, b 5 μm, d, e 1 cm

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