Saurabh Mani Tripathi
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View article: Terahertz multiband notch filter based on a dielectric topological valley photonic crystal
Terahertz multiband notch filter based on a dielectric topological valley photonic crystal Open
This study presents the design of a terahertz multiband notch filter based on a dielectric topological valley photonic crystal (VPC) using a cavity-integrated Mach–Zehnder interferometer geometry. The filter exploits valley-protected edge …
View article: A cost-effective 17-level single-source switched-capacitor multilevel inverter with low device count and high voltage gain
A cost-effective 17-level single-source switched-capacitor multilevel inverter with low device count and high voltage gain Open
This article introduces a novel switched-capacitor multilevel inverter (SCMLI) topology that achieves octuple voltage boosting while employing a low component count. To achieve a 17-level output voltage, the proposed topology incorporates …
View article: A hybrid metaheuristic control algorithm design for improved reliability of Adaptive Cruise Control System in Autonomous Vehicle
A hybrid metaheuristic control algorithm design for improved reliability of Adaptive Cruise Control System in Autonomous Vehicle Open
The modern era vehicles generally have an Cruise Control (ACC) system installed in them. Intended to assist drivers, some researchers have worked on multi-objectives like road safety improvement and driving process enhancement; hence, appr…
View article: Grating assisted temperature insensitive micro-ring resonator biosensor
Grating assisted temperature insensitive micro-ring resonator biosensor Open
A grating-assisted temperature-insensitive micro-ring resonator bio-sensor is reported using the finite-difference time-domain simulation method. In addition to choosing a negative thermo-optic coefficient (TOC) material, water, to nullify…
View article: Current status of the intake of iron folic acid in pregnant females receiving treatment from various urban localities at Kanpur district
Current status of the intake of iron folic acid in pregnant females receiving treatment from various urban localities at Kanpur district Open
Background: Anemia is one of the most common conditions related to pregnancy. Anemia is most frequent during pregnancy due to insufficient intake of proper diet and IFA regimen. Supplementation of IFA for 100 days during 2nd and 3rd trimes…
View article: Simultaneous temperature and humidity insensitive race track ring resonator using silicon and titanium dioxide waveguides in cavity
Simultaneous temperature and humidity insensitive race track ring resonator using silicon and titanium dioxide waveguides in cavity Open
We present here a method to achieve temperature-insensitive micro-ring resonator using Si and TiO2 in the racetrack cavity by finite-difference time domain (FDTD) method. Temperature-induced spectral shift in one waveguide is exactly compe…
View article: One-rod core microstructured optical fibers for evanescent sensing applications: an alternative approach
One-rod core microstructured optical fibers for evanescent sensing applications: an alternative approach Open
The advent of polymer (or plastic) optical fibers (POFs) with porous cross-section has contributed significantly to the sensing applications. We intend to explore the sensing attributes of polymer-based one-rod core microstructured optical…
View article: Manifestation of propagation traits for polymer square lattice micro-structured optical fiber in THz regime: a simplified model
Manifestation of propagation traits for polymer square lattice micro-structured optical fiber in THz regime: a simplified model Open
To sustain the pace with immense prominence, interest in low-loss terahertz (THz) waveguides increases due to their particular applications in the multidisciplinary arena. This paper narrates a novel solid-core polymer-based square lattice…
View article: Simultaneous Existence of Ultrahigh and Ultralow Spectral Sensitivity for Directional Couplers
Simultaneous Existence of Ultrahigh and Ultralow Spectral Sensitivity for Directional Couplers Open
We present the experimental evidence for the existence of two exciting wavelengths, termed critical and cross-over wavelength in the transmission spectrum of fiber-optic directional coupler, whose properties are conjugate to each other. Th…
View article: Simultaneous existence of ultra-high and ultra-low spectral sensitivity\n for Directional Couplers
Simultaneous existence of ultra-high and ultra-low spectral sensitivity\n for Directional Couplers Open
We present the experimental evidence for the existence of two exciting wavelengths, termed critical and cross-over wavelength in the transmission spectrum of fiber-optic directional coupler, whose properties are conjugate to each other. Th…
View article: Ultra-high Sensitive Surface Plasmon Resonance Based Sensor with Dual Resonance
Ultra-high Sensitive Surface Plasmon Resonance Based Sensor with Dual Resonance Open
We show that for the optimized angle of incidence, the SPR based optical sensors exhibit dual resonance in the near-infrared region around which the sensor becomes exceptionally high sensitive. Both the resonances show opposite spectral sh…
View article: Gold coated dual-resonance long-period fiber gratings (DR-LPFG) based aptasensor for cyanobacterial toxin detection
Gold coated dual-resonance long-period fiber gratings (DR-LPFG) based aptasensor for cyanobacterial toxin detection Open
Here, we present the development of aptasensor for the label-free, stable, and sensitive detection of environmental toxin microcystin-LR (MC-LR). A thiolated aptamer used as a bio-receptor was covalently immobilized on dual-resonance long-…
View article: Analysis of the beam divergence for one-rod core microstructured optical fibres
Analysis of the beam divergence for one-rod core microstructured optical fibres Open
The evolution of microstructured optical fibers with hexagonal array (H-MOFs) of air-holes rooted in the background of undoped silica has led to the realization of an ideal host for encouraging and technologically entitled optical properti…
View article: Single-Multi-Single Fibre Optic Structure Based Water Depth Sensor
Single-Multi-Single Fibre Optic Structure Based Water Depth Sensor Open
We propose and demonstrate a technique easy to fabricate and measure water depth based on selective mode excitation using single-multi-single (SMS) mode structure. The high extinction ratio has been achieved by equally exciting preselected…
View article: Ultra high sensitive long period fiber grating based sensor for detection of adulterator in ethanol
Ultra high sensitive long period fiber grating based sensor for detection of adulterator in ethanol Open
An ultra-sensitive sensor based on long-period fiber graings (LPFGs) has been fabricated for the detection of methanol and water content in ethanol. Our sensor is very compact in size, highly accurate and easy to fabricate making it very u…
View article: Critical Wavelength in the Transmission Spectrum of a Directional\n Coupler Employing GeO 2 -doped Single Mode Fibers
Critical Wavelength in the Transmission Spectrum of a Directional\n Coupler Employing GeO 2 -doped Single Mode Fibers Open
We examined the existence of critical wavelength in transmission-spectrum of\na Directional Coupler, employing GeO 2 - doped SMF and showed that it differs\nsignificantly from that observed in SMS structures. The origin of critical\nwavele…
View article: Critical Wavelength in the Transmission Spectrum of a Directional Coupler Employing GeO 2 -doped Single Mode Fibers
Critical Wavelength in the Transmission Spectrum of a Directional Coupler Employing GeO 2 -doped Single Mode Fibers Open
We examined the existence of critical wavelength in transmission-spectrum of a Directional Coupler, employing GeO 2 - doped SMF and showed that it differs significantly from that observed in SMS structures. The origin of critical wavelengt…
View article: Simultaneous, inherently temperature and strain insensitive bio-sensors based on dual-resonance long-period gratings
Simultaneous, inherently temperature and strain insensitive bio-sensors based on dual-resonance long-period gratings Open
Addressing the temperature and strain induced cross-talks simultaneously, we\npropose an inherently strain and temperature insensitive fiber-optic\nbio-sensor. The insensitivity has been achieved by properly adjusting the\ndopants and thei…