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Journal ArticleDOI

Single-Mode Photonic Band Gap Guidance of Light in Air.

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TLDR
The confinement of light within a hollow core (a large air hole) in a silica-air photonic crystal fiber is demonstrated and certain wavelength bands are confined and guided down the fiber.
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

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Citations
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Journal ArticleDOI

Raman spectroscopy based analysis inside photonic-crystal fibers

TL;DR: In this article, the authors summarize pros and cons of photonic crystal fibers (PCF) combination with normal Raman and surface-enhanced Raman spectroscopy (SERS) regarding to chemical analysis.
Patent

Zero Index Material Omnireflectors and Waveguides

TL;DR: In this paper, a single layer of a 3D Zero Index Material (ZIM) has omnidirectional reflection properties and can be used as the cladding of hollow waveguides.
Journal ArticleDOI

Design of air-guiding modified honeycomb photonic band-gap fibers for effectively singlemode operation.

TL;DR: It is found that broadband effectively singlemode operation from 1450 nm to 1850 nm can be achieved using a modified honeycomb PBGF with a defected core realized by removing 7 air holes.
Patent

Apparatus and methods for enhancing optical coherence tomography imaging using volumetric filtering techniques

TL;DR: In this paper, the first electro-magnetic radiation having a particular cross-sectional width may be applied to at least one portion of the sample to generate at least 1 third and at least 4th electromagnetic radii associated with the first and second radii.
References
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Journal ArticleDOI

All-silica single-mode optical fiber with photonic crystal cladding

TL;DR: The fabrication of a new type of optical waveguide: the photonic crystal fiber that supports a single robust low-loss guided mode over a very broad spectral range of at least 458-1550 nm.
Journal ArticleDOI

Endlessly single-mode photonic crystal fiber.

TL;DR: An effective-index model confirms that an all-silica optical fiber made by embedding a central core in a two-dimensional photonic crystal with a micrometer-spaced hexagonal array of air holes can be single mode for any wavelength.
Journal ArticleDOI

Hollow metallic and dielectric waveguides for long distance optical transmission and lasers

TL;DR: In this paper, the field configurations and propagation constants of a hollow circular waveguide made of dielectric material or metal for application as an optical waveguide were determined and the increase of attenuation due to curvature of the axis was also determined.
Journal ArticleDOI

Photonic Band Gap Guidance in Optical Fibers

TL;DR: A fundamentally different type of optical waveguide structure is demonstrated, in which light is confined to the vicinity of a low-index region by a two-dimensional photonic band gap crystal.
Journal ArticleDOI

Full 2-D photonic bandgaps in silica/air structures

TL;DR: In this paper, full 2D photonic bandgaps are demonstrated for all polarisations in structures with refractive index contrast as small as that of silica and air, and a new type of optical fiber based on these structures is proposed.
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