Diffraction grating pattern
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Diffraction grating pattern
Diffraction grating pattern formed by laser light (red). The laser light has passed through an array of crossed gratings. Because light is a wave, and also because the slits in the gratings are narrow enough, the light diffracts (spreads out) after it passes through the grating. This diffracted light then overlaps to produce interference effects that form the pattern seen. Analysis of this pattern can reveal the original structure of the grating through which the light passed. This is the basic principle used in X-ray diffraction, where X-rays are used to study crystal structures where regular array of atoms act as diffraction gratings
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Media ID 6282247
© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Atomic Class Room Demonstrating Demonstration Diffracted Diffraction Education Educational Experiment Experimental Interference Laser Lesson Light Pattern Results School Spot Spots Structural Wave Waves X Ray Diffraction Laboratory Molecular Physical
EDITORS COMMENTS
This print showcases a mesmerizing diffraction grating pattern formed by laser light. The vibrant red laser light has gracefully passed through an array of crossed gratings, resulting in a stunning visual spectacle. As light behaves like a wave, and the slits in the gratings are delicately narrow, the light diffracts or spreads out after traversing the grating. This phenomenon leads to the overlapping of diffracted light waves, creating fascinating interference effects that give rise to the intricate pattern captured in this image. The analysis of this enchanting pattern holds great significance as it unveils the original structure of the grating through which the light has passed. Such principles find practical application in X-ray diffraction techniques used for studying crystal structures. In these methods, X-rays serve as illuminators while regular arrays of atoms act as diffraction gratings. This awe-inspiring photograph not only serves as a remarkable model but also demonstrates fundamental concepts related to waves and structures within educational settings such as schools and laboratories. It symbolizes an engaging physical lesson where students can witness firsthand how molecular and atomic arrangements interact with laser beams to produce striking patterns through interference and diffraction phenomena. Captured by Science Photo Library, this image encapsulates both scientific beauty and educational value without any commercial intent.
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