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November 15, 2006

Hydrogel Photonic Crystal Samples

Hydrogel photonic crystal samples composed of various particle types and sizes. The test-tube contains crystals assembled from particles that are 220 nanometers in diameter. The thin film sample in the foreground contains 190 nanometer-diameter particles, while the film in the background is composed of the same material contained in the test-tube.

This research was performed at the Georgia Institute of Technology. For more information, see the Sept. 10, 2003, Georgia Tech Research News story, "Photonic Structures: New Technique Creates Patterns in Unique Crystals Formed from Hydrogel Nanoparticles." (Date of Image: 2003)

Credit: Photo by Gary Meek; courtesy Georgia Tech

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