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Insight into Glass Formation Could Lead to Coatings, Other Applications

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To better understand the optical properties of stable glasses, and whether they are analogous to the properties of naturally aged glasses, researchers began by developing perfectly round molecules that retain their three-dimensional shape and do not preferentially align in a specific direction. The researchers produced stable glasses using these molecules, expecting that these glasses would be amorphous and isotropic. The University of Pennsylvania research team was surprised to discover that the stable glasses produced with the spherical molecules were birefringent. Using a...Read full article

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    Published: September 2017
    Glossary
    birefringence
    Birefringence is an optical property of certain materials that causes them to exhibit different refractive indices for light of different polarizations. In other words, when light passes through a birefringent material, it splits into two separate rays, each traveling with a different speed and direction. This phenomenon is also known as double refraction. The difference in refractive indices for the two polarizations is a characteristic feature of birefringent materials. The separation of...
    photoluminescence
    The state of optically excited luminescence. Luminescence refers to the light emitted by excited atoms or ions as they decay to lower energy levels.
    ophthalmology
    The branch of medicine involved in the study of the anatomy, functions, diseases and treatments of the eye.
    esearch & technologyeducationAmericasCoatingsMaterialsmaterials processingindustrialOpticsbirefringenceglassesglass transitionphotoluminescenceophthalmologyTech Pulse

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