2017 Volume 58 Issue 1 Pages 1-5
We investigate wrinkled thin films by small angle light scattering and microscope, demonstrating that wrinkled thin films are gratings. The diversity of diffraction patterns is realized by a simple light path through wrinkles. Fourier transform is introduced to explain the position and pattern of diffraction orders. The analysis could be a fast and quantized characterization for complex wrinkles.