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stecanossa.bsky.social
And here we have our Fourier transform nr. 58! As far as I'm concerned, perhaps the most enigmatic and unexpected spectrum so far... anyway, quite a spectacle! #BraggYourPattern #Fouriertransform #crystallography

As always, more on behance.net/specialdefects and instagram.com/specialdefects
A square divided in four squares, each containing strands of violet-and-blue light - some like rays, some like diffuse bands - separated by darker shady regions. Overall, these lights look like refractions coming from the centre of the image, which gets darker and darker in approaching the very middle.
November 9, 2025 at 4:06 PM
stecanossa.bsky.social
Here it is, pattern nr. 54 #crystallography #totalscattering #Fouriertransform #sciart #Braggyourpattern #specialdefects
Fourier transform of the quoted pattern, showing plenty of dots clustered in a square grid, with systematically weaker spots in the centre of squares.
April 6, 2025 at 11:25 AM
stecanossa.bsky.social
And here we have the reciprocal space sister image, 52nd entry on behance.net/specialdefects 🌟

#BraggYourPattern #Crystallography #sciart #totalscattering
Fourier transform of the cited fractal. The selected colour scheme is a blend of dark reddish brown, black, and bright blue. The final effect is reminiscent of the bioluminescence of some acquatic sea organisms, emitting bright blue light.
March 16, 2025 at 5:51 PM
stecanossa.bsky.social
As always, here's the real-space picture 🙇 You can find many more pairs on www.behance.net/specialdefects
A Hyperbolic tiling of triangles, with variable colours from a grey-dark blue to a light bluish green.
October 16, 2025 at 9:10 PM
stecanossa.bsky.social
My fellow #FourierTransform enthusiasts, here's a new entry in my collection ready for you, nr. 56! The real-space picture is an intersection of two tilings of squares, one tilted by 43°. Moiré pattern? Definitely related 💯

As always, you can find the high-res pair at behance.net/specialdefects
A collection of bright yellow spots starts from the centre of the picture, from the strongest, central one. Clearly not periodically arranged, they have a point-symmetry evident since 4 equally spaced lines of stronger spots irradiate from the centre of the image. Between them, additional smaller spots form geometrical patterns vaguely resembling the fourier transform of an aperiodic crystal. The background colour alternate dark blue and soft teal, whose calm feeling contrasts the energy present in the bright yellow spots, looking like tiny fireflies.
September 28, 2025 at 1:29 PM
stecanossa.bsky.social
... and its beautiful #Fouriertransform, completing #specialdefects pair nr. 55 👾 Those who got a little used to how the Fourier space works might guess (correctly) that this looks essentially like the FFT of a single 12-pointed star ✍️ #BraggYourPattern #TotalScattering #Crystallography
Fourier transform of the quoted image. Bright strands raidating from the centre, oscillating in intensity along the lines, and bumping on the image sides. The colour scheme is created to show these lines as sparks from a firework, with sharp white-yellow-brown gradients.
July 5, 2025 at 11:39 AM
stecanossa.bsky.social
Clearly distinguished from other FFT of fractals, but soome fractal-like behaviours are there. For example the denser line groups between more spaced lines, or the square grid of square arrangements of peaks, in black. You can examine a high-res picture on www.behance.net/specialdefects
March 23, 2025 at 7:56 AM
stecanossa.bsky.social
Many crystallographers might be familiar with the iconic Hauptmann vs. Karle amplitude-phase swap, but why not revisiting it by expanding the series? Have fun checking out this 7x7 #crystallography themed Fourier mashup 🤓 high-res version & more soon available on www.behance.net/specialdefects
a 7x7 grid of pictures showing the effect of phases and amplitudes on the reconstruction of a picture from its Fourier components. Every line has amplitude from the same figure, but phases from different ones, while the opposite is true for every column. The images on the diagonal show the original pictures used for the grid. These are representing, in order, Peter Ewald, Dorothy Crawfoot (Hodgkin), Rosalind Franklin, Herbert Hauptmann, Arthur Patterson, Jerome Karle, and Kathleen Yardley (Lonsdale)
December 7, 2024 at 5:39 PM
stecanossa.bsky.social
#symmetry and #crystallography fans might enjoy my 'ReciprocArt' project: a #digitalart journey across the hypnotic beauty of the Fourier space. You can browse 49 image pairs on instagram.com/specialdefects or behance.net/specialdefects
FYI: my 50th entry is about to join the collection 👾
Stefano Canossa
Artistic exploration and educational material on the Fourier transform and its influence in modern crystallography.
behance.net
November 20, 2024 at 8:21 PM