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Photochromism
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Photochromism is the reversible change of color upon exposure to light. It is a transformation of a chemical species between two forms through the absorption of electromagnetic radiation, where each f
A photochromic eyeglass lens, after exposure to sunlight while part of the lens remained covered by paper.
A photochromic eyeglass lens, after exposure to sunlight while part of the lens remained covered by paper.
3D optical data storage
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3D optical data storage is any form of optical data storage in which information can be recorded or read with three-dimensional resolution.
Photochromism
…systems (for example retinal in the vision process). The use of photochromic materials has evolved beyond protective eyewear to applications including 3D optical data storage, photocatalysis, and radiation dosimetry. Photochromism often is associated with pericyclic reactions, cis-trans isomerizations, intramolecular hydrogen…
Examples of 3D optical data storage media. Top row – written Call/Recall media; Mempile media. Middle row – FMD; D-Data DMD and drive. Bottom row – La
Examples of 3D optical data storage media. Top row – written Call/Recall media; Mempile media. Middle row – FMD; D-Data DMD and drive. Bottom row – Landauer media; Microholas media in action.