Analysis of Bulk Material Sensing Using a Periodically Segmented Waveguide Mach–Zehnder Interferometer for Biosensing

Kinrot, N.

doi:10.1109/jlt.2004.832438

Cited by 15 publications

(2 citation statements)

References 19 publications

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“…However, molecular resolution limited in the spectral dip shift would be resulted from the broadened bandwidth at the resonance wavelength, which is observed in the inset of Figure 7. The interference theory explains the same intensity of interfered waves performs high visibility [23], but the case of carbopol-layer has obvious THz waves absorption to decay the interference visibility with broadening resonance bandwidth.…”

Section: Overlayer-sensing Principlementioning

confidence: 96%

Terahertz Fiber Sensing

You¹,

Lu²

2017

Terahertz Spectroscopy - A Cutting Edge Technology

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Terahertz fibers used for optical-sensing applications are introduced in this chapter, including the dielectric wires, ribbons and pipes. Different analyte conformations of the liquid, solid particle, thin film and vapor gas are successfully integrated with suitable fibers to perform high sensitivities. Based on the optimal sensitivities, analyte recognitions limited in traditional terahertz spectroscopy are experimentally demonstrated by the terahertz fiber sensors. Using the cladding index-dependent waveguide dispersion and high fractional cladding power of terahertz wire fiber, 20 ppm concentration between polyethylene and melamine particles can be distinguished. When the evanescent mode field of a terahertz ribbon fiber is controlled by a diffraction metal grating, subwavelength-confined surface terahertz waves potentially enable the nearfield recognition for nano-thin films. Resonance waveguide field surrounding the terahertz pipe fiber is able to identify the macromolecule deposition in subwavelengthscaled thickness, approximately λ/225. For inner core-confined resonance waveguide field inside the terahertz pipe fiber, low physical density of the vaporized molecules around 1.6 nano-mole/mm 3 can also be discriminated.

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Section: Overlayer-sensing Principlementioning

confidence: 96%

Terahertz Fiber Sensing

You¹,

Lu²

2017

Terahertz Spectroscopy - A Cutting Edge Technology

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“…One approach would be to use lower contrast waveguide materials, where on one hand the mode field is less confined and thus has larger evanescent field, and on the other hand the scattering losses can be significantly lower than in high-contrast structures. The dimensions of the perforations and their placement can be also optimized by exploring the resonance behavior of the perfo rations, similar to the analysis performed in the context of periodically segmented waveguides in [8]. In terms of simulating the behavior of the perforated region, while it was shown in this thesis th at three-dimensional optical simulations can be success fully used, it would also be worthwhile to explore other, potentially more stable and time-efficient simulation methods.…”

Section: Discussion O F R Esu Ltsmentioning

confidence: 99%

Perforated Mach-Zehnder interferometer evanescent field sensor in silicon-on-insulator

Yadav¹

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The author has granted a non exclusive license allowing Library and Archives Canada to reproduce, publish, archive, preserve, conserve, communicate to the public by telecommunication or on the Internet, loan, distribute and sell theses worldwide, for commercial or non commercial purposes, in microform, paper, electronic and/or any other formats. AVIS:L'auteur a accorde une licence non exclusive permettant a la Bibliotheque et Archives Canada de reproduire, publier, archiver, sauvegarder, conserver, transmettre au public par telecommunication ou par I'lnternet, preter, distribuer et vendre des theses partout dans le monde, a des fins commerciales ou autres, sur support microforme, papier, electronique et/ou autres formats. i * i CanadaReproduced with permission of the copyright owner. Further reproduction prohibited without permission. List o f Figures vi List o f Tables viii

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Long-Range Plasmonic Waveguide Sensors

Krupin

Berini

2020

Biomedical Optical Sensors

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Analysis of Bulk Material Sensing Using a Periodically Segmented Waveguide Mach–Zehnder Interferometer for Biosensing

Cited by 15 publications

References 19 publications

Terahertz Fiber Sensing

Terahertz Fiber Sensing

Perforated Mach-Zehnder interferometer evanescent field sensor in silicon-on-insulator

Long-Range Plasmonic Waveguide Sensors

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