Direct probing of evanescent field for characterization of porous terahertz fibers
نویسندگان
چکیده
terahertz fibers Shaghik Atakaramians, Shahraam Afshar V., Michael Nagel, Henrik K. Rasmussen, Ole Bang, Tanya M. Monro, and Derek Abbott Adelaide T-ray Group, School of Electrical and Electronic Engineering, The University of Adelaide, SA 5005, Australia Institute for Photonics and Advanced Sensing, School of Chemistry and Physics, The University of Adelaide, SA 5005, Australia Institut für Halbleitertechnik, RWTH Aachen University, Sommerfeldstr. 24, 52074 Aachen, Germany Department of Mechanical Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark Department of Photonics Engineering (DTU Fotonik), Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
منابع مشابه
Suspended core subwavelength fibers: towards practical designs for low-loss terahertz guidance.
In this work we report two designs of subwavelength fibers packaged for practical terahertz wave guiding. We describe fabrication, modeling and characterization of microstructured polymer fibers featuring a subwavelength-size core suspended in the middle of a large porous outer cladding. This design allows convenient handling of the subwavelength fibers without distorting their modal profile. A...
متن کاملTHz porous fibers: design, fabrication and experimental characterization.
Porous fibers have been identified as a means of achieving low losses, low dispersion and high birefringence among THz polymer fibers. By exploiting optical fiber fabrication techniques, two types of THz polymer porous fibers--spider-web and rectangular porous fibers--with 57% and 65% porosity have been fabricated. The effective refractive index measured by terahertz time domain spectroscopy sh...
متن کاملLow loss, low dispersion and highly birefringent terahertz porous fibers
We demonstrate that porous fibers in addition to low loss and high confinement, have near zero dispersion for 0.5–1 THz resulting in reduced terahertz signal degradation compared to microwires. We also show for the first time that these new fibers can be designed, introducing asymmetrical sub-wavelength air-holes within the core, to achieve high birefringence 0.026. This opens up the potential ...
متن کاملPorous fibers: a novel approach to low loss THz waveguides.
We propose a novel class of optical fiber with a porous transverse cross-section that is created by arranging sub-wavelength air-holes within the core of the fiber. These fibers can offer a combination of low transmission loss and high mode confinement in the THz regime by exploiting the enhancement of the guided mode field that occurs within these sub-wavelength holes. We evaluate the properti...
متن کاملSynthesis and characterization of fiber reinforced polymer scaffolds based on natural fibers and polymer for bone tissue engineering application
A wide range of materials and scaffolding fabrication methods for bone tissue engineering have beenexplored recently. Fiber reinforced polymers (FRP) system appears to be a suitable system. By the exclusiveuse of biocompatible or bio-absorbable polymers and fibers, novel generation of scaffolds for applicationsin tissue engineering can be prepared. Mulberry Silk as highlighted...
متن کامل