The amazing world of butterfly scales
In this case Madagascan sunset moth or Chrysiridia rhipheus
Canon EOS 50D
Olympus LMPlanFl 20X 0.40 BD + Raynox 150
Exposure time: 2 "- ISO100
Canon Auto Bellows
MJKZZ IR Remote Motion Controller
Newport M436 linear stage
Stacking
No. photos: 100
Steps 2.06 µm
Approximate magnification: 20x
The iridescent colors of the wings are not due to a pigment but are the effect of the interaction of light with the nanostructures of the scales, and change depending on the angle from which you look. This is precisely why they suppose an unrepeatable natural hologram.
"The complexity in a scale is such that even a part of the scale would suffice to protect an object," says Physics doctor Dimitrije Stepanenko.
Stepanenko explains that no protection item used today is as effective as a butterfly scale. "If someone discovers how to print a certain hologram on paper money, he can make many 100 euro bills. If he discovers how to copy a scale, which we think is impossible, but imagine the situation, he can only forge a bill, because for another it scale is different and then it should work again from the beginning ", illustrates the security that this technology can provide.
Escamas ala mariposa Chrysiridia rhipheus [20x] by Javier Rupérez, en Flickr
The amazing world of butterfly scales
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