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
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Terahertz detection of toxic gas using a photonic crystal fiber
TL;DR: In this article, a unique structure of porous core photonic crystal fiber (PCF) sensor with a high sensitivity for gas detection is proposed, and the dependences of the mode field distribution and the propagation loss of PCF sensor on the porosity are studied to optimize for a higher sensitivity.
Journal ArticleDOI
Terahertz Hollow Core Antiresonant Fiber with Metamaterial Cladding
Jakeya Sultana,Md. Saiful Islam,Cristiano M. B. Cordeiro,Alex Dinovitser,Mayank Kaushik,Brian W.-H. Ng,Derek Abbott +6 more
TL;DR: In this paper, a hollow core antiresonant photonic crystal fiber (HC-ARPCF) with metal inclusions is numerically analyzed for transmission of terahertz (THz) waves.
Journal ArticleDOI
Theoretical Assessment of a Porous Core Photonic Crystal Fiber for Terahertz Wave Propagation
TL;DR: In this article, a porous core photonic crystal fiber (PCF) for transmitting terahertz waves is reported and characterized using finite element method, which can achieve low effective material loss that is 73.8% lower than the bulk material absorption loss at 1.0 THz operating frequency.
Journal ArticleDOI
Single-mode spiral shape fiber based liquid sensor with ultra-high sensitivity and ultra-low loss: Design and analysis
Ibadul Islam,Kawsar Ahmed,Shadidul Islam,Bikash Kumar Paul,Shuvo Sen,Sawrab Chowdhury,Sayed Asaduzzaman,Ali Newaz Bahar,Mohammad Badrul Alam Miah +8 more
TL;DR: In this paper, a spiral photonic crystal fiber (S-PCF) based optical sensor is presented, which exhibits high relative sensitive as well as low confinement loss simultaneously, and it is tuned with the most efficient structure applying the full vectorial finite element method (FEM).
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Design and analysis of porous core photonic crystal fiber based ethylene glycol sensor operated at infrared wavelengths
TL;DR: In this paper, a porous core photonic crystal fiber (PCF) sensor is reported for label-free detection of different concentrations of ethylene glycol present in aqueous solution, over a wavelength range from 1 to 2μm.
References
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Journal ArticleDOI
Metal wires for terahertz wave guiding
Kanglin Wang,Daniel M. Mittleman +1 more
TL;DR: It is shown how a simple waveguide, namely a bare metal wire, can be used to transport terahertz pulses with virtually no dispersion, low attenuation, and with remarkable structural simplicity.
Journal ArticleDOI
Imaging with terahertz radiation
TL;DR: A comprehensive review of the various techniques used for terahertz image formation can be found in this paper, as well as numerous examples which illustrate the many exciting potential uses for these emerging technologies.
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Recent advances in terahertz imaging
Daniel M. Mittleman,Maya R. Gupta,Ramesh Neelamani,Richard G. Baraniuk,J.V. Rudd,Martin Koch +5 more
TL;DR: The latest results in tomographic imaging, in which waveforms reflected from an object can be used to form a three-dimensional representation, are described and substantial improvements in the spatial resolution are demonstrated.
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Integrated THz technology for label-free genetic diagnostics
Michael Nagel,P. Haring Bolivar,M. Brucherseifer,Heinrich Kurz,Anja-Katrin Bosserhoff,Reinhard Büttner +5 more
TL;DR: In this paper, a promising approach for the label-free analysis of DNA molecules using direct probing of the binding state of DNA with electromagnetic waves at THz frequencies is reported, which provides a drastically enhanced sensitivity enabling analysis down to femtomol levels.
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Terahertz imaging with nanometer resolution
TL;DR: In this article, the authors report on the application of scanning near-field optical microscopy for terahertz imaging and demonstrate a spatial resolution of 150 nm for 2.0 THz pulses.