Single-Mode Photonic Band Gap Guidance of Light in Air.
basic_science · Level V
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- Record sourced from PubMed, PMID 10477511.
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Abstract
The confinement of light within a hollow core (a large air hole) in a silica-air photonic crystal fiber is demonstrated. Only certain wavelength bands are confined and guided down the fiber, each band corresponding to the presence of a full two-dimensional band gap in the photonic crystal cladding. Single-mode vacuum waveguides have a multitude of potential applications from ultrahigh-power transmission to the guiding of cold atoms.