Macroscale Transformation Optics Enabled by Photoelectrochemical Etching.
basic_science · Level V
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- Record sourced from PubMed, PMID 26332896.
- Also identified by DOI 10.1002/adma.201502322.
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Abstract
Photoelectrochemical etching of silicon can be used to form lateral refractive index gradients for transformation optical devices. This technique allows the fabrication of macroscale devices with large refractive index gradients. Patterned porous layers can also be lifted from the substrate and transferred to other materials, creating more possibilities for novel devices.