Peacock feathers are amazing. They can also emit laser beams

Peacock I was very impressed with its bright light colors, but it turned out that it could also emit laser light when dyeing several times, according to paper Posted in the Scientific Reports Magazine. For all authors, it is The first example From the biolser cavity in the animal kingdom.

like I mentioned earlierBright light colors do not come in things like peacock feathers and butterfly wings of any pigment molecules, but from how they are organized. Ketin measurements (many shared insects in the insects) are arranged in the butterfly wings, for example, such as roof tiles. Basically, a GirlsWith the exception of optical crystals produces only certain colors, or wavelengths, from light, while the graphic of the vitality will produce the entire spectrum, very similar to the publication.

In the case of peacock feathers, they are normal periodic nanoparticles Barboul-The ingredients similar to the fibers consisting of the required melanin bars coated in keratin-produce iris colors. Various colors are compatible with different spacing of brown.

Both examples occur naturally on what physicists call Optical crystals. Photo lights are also known as optical acts, which means that they are accurately arranged in a way that prevents some wavelengths of light while allowing others to pass. Change the structure by changing the size of the tiles, and the crystals become sensitive to the length of the different wave. (Actually, rainbow mites Can be controlled Both the size of its measurements and the amount of ketoin used to control these colors as needed.)

Even the best (from the point of view of the applications), the color perception does not depend on the angle of viewing. The standards are not only for beauty. It helps protect the insect from elements. There are several types of Human man -made crystalsBut getting a better and more detailed understanding of how these structures grow in nature can help scientists design new materials with similar characteristics, such as iris windows, self -cleaning surfaces of cars and buildings, or even water -resistant textiles. The paper currency can include encrypted iris patterns for fake chips.

There were previous examples of random laser emissions in everything colored Bones and Blue coral skeletons to Insect wingsand The parrot feathersAnd Human tissueBesides Eridevors salmon. The authors of this last study were interested in whether they could produce similar laser emissions using peacock feathers and we hope to determine the specified mechanism.

It was not difficult to obtain peacock feathers, given its popularity for the purposes of decoration, arts and crafts, but the authors did not confirm any of the feathers used in their experiences of impurities (such as dyes). They have cut any surplus lengths of criticism and launched feathers on a absorbing pillar. Then they provided the feathers with shared dyes by photographing the dye solution directly on it and allowing them to dry. The feathers have been colored several times in some cases. Then pump samples with pulses of light and measure any resulting emissions.

The team noticed laser emissions in distinct wavelengths for all the color areas of feathers, with green colors areas emitting from the most intense laser light. However, they did not notice any laser emission of feathers that were stained only once, only in the sample feathers who underwent multiple moisturizing courses and full drying courses. This is probably due to the best spread of both dye and solvents in the bars, as well as a possible dilution of fiber in the keratin sheath.

The authors were unable to identify the microscopic microscopy responsible for the laser; It does not seem to be due to the bars of the melatonin coated with keratin. The author of Nathan Dawson from the University of Florida Applied Arts I suggest for science Protein granules or similar small structures may work within the feathers as a laser cavity. He and his colleague believed that one day, their work can lead to a vital -compatible laser development that can be safely included in the human body for sensing, photography and treatment purposes.

This story was originally appeared on Art Technica.