Solid core photonic bandgap fibers (PBGFs) incorporate a microstructure lattice of high index rods in a low index matrix surrounding a defect core formed by one or several missing rods. Liquids, which can have a wide variety of absorption, gain, nonlinear, and thermal properties, have been used as t
Observation of mode coupling in bitapered air-core photonic bandgap fibers
β Scribed by Aydogan Ozcan; Anuranjita Tewary; Michel J.F. Digonnet; Gordon S. Kino
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 700 KB
- Volume
- 271
- Category
- Article
- ISSN
- 0030-4018
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We determine the optimal inner glass ring thickness in infrared air-core photonic bandgap fibers (PBGFs) with 19-cell and 7-cell cores. For PBGFs with a 19-cell core, we find that an inner ring thickness of 0:04 K, where K is pitch, yields the widest operational bandwidth, which is nearly 6%. The op
## Abstract Bending loss peak is observed in the transmission spectrum of a solid core photonic crystal fiber. The loss peak is shifted from shorter wavelength to longer wavelength when the bending radius is decreased. These results are explained by a numerical calculation. They agree well with eac
## Abstract This paper presents an experimental study on the characteristics of annularβring patch antennas with slotted and photonic bandgap (PBG) ground planes for operation in the higher order TM~21~ mode for conicalβpattern radiation. The antenna studied has an airβlayer substrate, and is fed u