Journal ArticleDOI
Single-Mode Photonic Band Gap Guidance of Light in Air.
R.F. Cregan,Brian Joseph Mangan,Jonathan Knight,Tim A. Birks,P. St. J. Russell,Peter John Roberts,Douglas C. Allan +6 more
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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 atomsread more
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Patent
Two-part surgical waveguide
Max Shurgalin,Vladimir Fuflyigin,Douglas Woodruff,Mihai Ibanescu,Lori Pressman,Charalambos Anastassiou,Soura Bhattacharyya,Yoel Fink +7 more
TL;DR: In this paper, a light source is configured to provide radiation at a wavelength and a conduit is designed to direct the radiation from the light source to a target location of a patient, including a first optical waveguide extending along a waveguide axis.
Journal ArticleDOI
Wheel structured Zeonex-based photonic crystal fiber sensor in THz regime for sensing milk.
Md. Aminul Islam,Mohammad Rakibul Islam,Sadia Siraz,MM Rahman,Mariea Sharaf Anzum,Fateha Noor +5 more
TL;DR: In this paper, a wheel structured Zeonex-based hexagonal packing photonic crystal fiber (PCF) sensor has been proposed for detecting various types of dairy products using PCF terahertz sensors, which will pave a whole new path in further implementing THz sensing in the dairy industry.
Journal ArticleDOI
Highly Birefringent Elliptical-Hole Microstructure Fibers With Low Confinement Loss
TL;DR: In this paper, a novel kind of elliptical-hole highly birefringent microstructure optical fibers (MOFs) with two defects and six rings is analyzed and proposed.
Journal ArticleDOI
A proposal of a novel polarizer based on a partial liquid-filled hollow-core photonic bandgap fiber
TL;DR: In this article, a novel polarizer is designed by liquid filling in partial air-holes of a hollow-core photonic bandgap fiber (PBGF) forming an asymmetric waveguide structure, which leads to the vertical polarization light leaking out while the horizontal polarization light remaining to propagate along the fiber with a relatively low loss.
Journal ArticleDOI
Fast 10-/spl mu/s microelectromechanical optical switch inside a planar hollow waveguide (PHW)
TL;DR: In this paper, a 1 times 2 micromechanical optical switch with 10 mus of switching speed, 29 dB of ON/OFF ratio, and insertion loss of -7.22 dB for lambda = 1550 nm and -4.96 dB for ε =635 nm is presented.
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.