Browsing by Subject "Optical sensors"

Now showing items 1-3 of 3

A comparative analysis of two different PCF structures for gas sensing application

Arif, Md. Faizul Huq; Ahmed, Kawsar; Asaduzzaman, Sayed (IEEE Xplore, 2016-07-11)

Toxic or Flammable gases and leakage of the gas lines can be detected by photonic crystal fibers for avoiding pollution, explosion or fire. Two different structures of hollow core based Photonic crystal fiber (HC-PCF) has ...
Quasi Photonic Crystal Fiber Based Spectroscopic Chemical Sensor in the Terahertz Spectrum: Design and Analysis

Paul, Bikash Kumar; Ahmed, Kawsar; Dhasarathan, Vigneswaran; Ahmed, Fahad (IEEE, 2018-09-28)

In this paper, a novel microstructure quasi-photonic crystal fiber (Q-PCF) design is proposed. Aimed at a high relative sensitivity it is targeted for chemical sensing applications in the terahertz regime. A rigorous ...
Refractive Index-based Blood Components Sensing in Terahertz Spectrum

Ahmed, Kawsar; Ahmed, Fahad; Roy, Subrata; Paul, Bikash Kumar; Aktar, Mst. Nargis; Vigneswaran, Dhasarathan; Islam, Md. Saiful (IEEE Sensors Journal, IEEE, 2019-01-25)

In this paper, a novel partial type-b crystalline core with more compact cladding in hexagonal packing photonic crystal fiber (CC-PCF)-based optical sensor has been proposed for sensing different blood components. This ...

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