Journal ArticleDOI
Extremely low material loss and dispersion flattened TOPAS based circular porous fiber for long distance terahertz wave transmission
Md. Saiful Islam,Jakeya Sultana,Sohel Rana,Mohammad Rakibul Islam,Mohammad Faisal,Shubi Kaijage,Derek Abbott +6 more
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TLDR
In this paper, a porous core circular photonic crystal fiber (PC-CPCF) with ultra-low material loss for efficient terahertz wave transmission is presented.About:
This article is published in Optical Fiber Technology.The article was published on 2017-03-01. It has received 93 citations till now. The article focuses on the topics: Graded-index fiber & Dispersion-shifted fiber.read more
Citations
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Journal ArticleDOI
A Novel Approach for Spectroscopic Chemical Identification Using Photonic Crystal Fiber in the Terahertz Regime
Md. Saiful Islam,Jakeya Sultana,Kawsar Ahmed,Mohammad Rakibul Islam,Alex Dinovitser,Brian W.-H. Ng,Derek Abbott +6 more
TL;DR: In this paper, a novel porous core-photonic crystal fiber (PC-PCF) was designed and analyzed for detection of chemical analytes in the terahertz frequency range.
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Terahertz detection of alcohol using a photonic crystal fiber sensor.
TL;DR: A novel Zeonex-based photonic crystal fiber has been modeled and analyzed for ethanol detection in terahertz frequency range and with the outstanding waveguiding properties, the proposed sensor can potentially be used in ethanol detection, as well as polarization-preserving applications of terAhertz waves.
Journal ArticleDOI
Terahertz Sensing in a Hollow Core Photonic Crystal Fiber
TL;DR: In this paper, a terahertz sensor based on a hollow core photonic crystal fiber has been proposed for chemical analyte detection in the tera-hertz frequency range, which is filled with an analyte and surrounded by a number of asymmetrical rectangular air holes bounded by a perfectly matched layer with absorbing boundary conditions.
Journal ArticleDOI
Terahertz optical fibers [Invited].
Md. Saiful Islam,Cristiano M. B. Cordeiro,Marcos A. R. Franco,Jakeya Sultana,Alice L. S. Cruz,Derek Abbott +5 more
TL;DR: This manuscript examines various optical fiber types including tube fibers, solid core fiber, hollow-core photonic bandgap, anti-resonant fibers, porous-core fibers, metamaterial-based fibers, and their guiding mechanisms for terahertz waveguides.
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Highly birefringent elliptical core photonic crystal fiber for terahertz application
Jakeya Sultana,Md. Saiful Islam,Mohammad Faisal,Mohammad Rakibul Islam,Brian W.-H. Ng,Heike Ebendorff-Heidepriem,Derek Abbott +6 more
TL;DR: In this paper, the authors proposed a novel strategy for designing a highly birefringent photonic crystal fiber (PCF) with near zero flattened dispersion properties by applying elliptical air holes in the core area.
References
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Journal ArticleDOI
Ultra-Low Material Loss and Dispersion Flattened Fiber for THz Transmission
TL;DR: In this article, a photonic crystal fiber having ultralow material loss and near zero dispersion at the telecom window was reported, which is suitable for THz wave guidance.
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Sensing the hygroscopicity of polymer and copolymer materials using terahertz time-domain spectroscopy.
TL;DR: The hygroscopicity of polymer and copolymer materials in the low terahertz (THz) frequency range is presented using a linear absorption model to identify COC 6013 and COC 5013 as optimal THz window materials, possessing both low hygroScopicity and high transmission in the THz regime.
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Direct probing of evanescent field for characterization of porous terahertz fibers
Shaghik Atakaramians,V Shahraam Afshar,Michael Nagel,Henrik Koblitz Rasmussen,Ole Bang,Tanya M. Monro,Derek Abbott +6 more
TL;DR: In this article, the authors developed a technique based on a micromachined photoconductive probe-tip to characterize a terahertz (THz) porous fiber.
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Polarization Maintaining Low-Loss Slotted Core Kagome Lattice THz Fiber
TL;DR: In this paper, a slotted core kagome lattice fiber is proposed for terahertz (THz) wave propagation, which exhibits an ultra-high birefringence of 8.22 × 10−2, an ultra low effective material loss of 0.05 cm, and a very low confinement loss of 4.13 times 10−5 cm at the frequency of 1 THz.
Journal ArticleDOI
Localized Biosensing with Topas Microstructured Polymer Optical Fiber
Grigoriy Emiliyanov,Jesper Bevensee Jensen,Ole Bang,Poul E. Hoiby,Lars Hagsholm Pedersen,Erik Michael Kjær,Lars René Lindvold +6 more
TL;DR: What is believed to be the first microstructured polymer optical fiber fabricated from Topas cyclic olefin copolymer, which has attractive material and biochemical properties, is presented, which allows for a novel type of fiber-optic biosensor.