Instrumentation and Applied Physics (IAP): Recent submissions
Now showing items 41-60 of 216
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Thin Film Electronics on Edible Substrates
The recent years have seen the development biocompatible ingestible and implantable devices for human health monitoring. The major issue is the toxicity of the organic materials (polymers) used in the implants and consequently ... -
Application of Experience Mapping based Predictive Controller (EMPC) for Under-damped and Unstable Systems
Experience Mapping based Predictive Controller (EMPC) is a concept based on the principle of Human Motor Control, that was earlier developed and applied to control a well damped Type 1 system. In this thesis, the concepts ... -
Elucidating Intricate Excited-state Dynamics in Molecular Systems Using Time-resolved Transient Absorption and Ultrafast Raman Spectroscopy
Abstract The excited-state dynamics of molecular materials is of great importance to understand early time photodynamics. We have used Femtosecond Transient Absorption (fs-TA) and Ultrafast Raman Loss Spectroscopy (URLS) ... -
Wearable Sensors using Solution Processed 2D Materials
Wearable sensors, as the name implies, are devices that can be donned onto the body in order to continuously detect, monitor and analyze various signals generated by the subject and the immediate surroundings. Applications ... -
Electric Field Assisted Self-Healing (eFASH)
Circuit failure due to the open faults in the interconnect is the most common problem regarding the reliability of electronic systems. This is particularly true for large-area electronic systems such as display, image ... -
Fabrication and Characterization of Multilayer MoS2 Coated Etched Fiber Bragg Grating Sensors and Side-hole Packaged Fiber Bragg Grating Sensors with Enhanced sensitivity for Different Applications
In summary, MoS2 coated, etched FBG sensors have been used for various applications. Firstly, the strain sensitivity has been studied; a high strain sensitivity of 6.3 pm/μɛ with a linear range of sensing response from 0 ... -
Frequency and Temperature Dependent Mechanical Behavior of Three-Dimensional Cellular Structures of Graphene and Carbon Nanotubes: Role of Microscopic Interfacial Interaction
Three dimensional (3D) cellular structures with high mechanical strength and stability are recently proven to provide a crucial platform for multifunctional application in various fields namely biomedical, soft robotics, ... -
Point-of-need analyte detection using dsDNA-templated fluorescent copper nanoparticles
The detection of various types of pollutants, toxins, and adulterants that are detrimental to the environment and human health is essential for monitoring air, water, soil, and food quality. Technologies that enable the ... -
Modified-graphene and carbon nanodots for nitrogen dioxide sensing: Effects of interfacial electronic modulation and dimensionality on gas interaction
Currently, there is an enormous demand for the development of high performance nitrogen dioxide (NO2) gas sensors for environmental pollution monitoring. Hence, there is a constant quest to replace traditional metal oxide ... -
Design, Fabrication and Characterization of Metal Oxide Semiconductor Based MEMS Gas Sensors for Carbon Monoxide Detection
In recent years, intense efforts have been made towards the development of miniaturized gas-sensing devices for hazardous gas detection. Carbon monoxide, which is a result of incomplete combustion, is a colourless, odourless, ... -
Crystalline Silicon Carbide Thin Films for Ultraviolet Detection
UV light detection has a lot of applications including secured satellite communication, solar and celestial observation and biological imaging. Wide bandgap materials are used to sense UV light. SiC is an excellent material ... -
Infrared interaction in surface modified thin film of carbon nanotubes
In the entire study carried out in this thesis work, it has been established that, interfacial interaction of MWCNTs with functional materials like QDs, semiconducting NPs and metal NPs is beneficial towards improving ... -
Design, Development and Validation of High Performance Fiber Bragg Grating Accelerometers
Fiber Bragg grating (FBG) accelerometers have attracted the attention of researchers as an efficient and attractive alternative to conventional electrical accelerometers. They exploit the remarkable sensing capabilities ... -
Adaptive Dielectric Thin Film Transistor : A Self-Configuring Device for Low Power Electrostatic Discharge Protection
Large area and flexible electronic systems are widely used in applications such as displays, image sensors, wearable electronics, and energy harvesting systems. One of the fundamental functional blocks in these systems is ... -
Design and Analysis of Surface Acoustic Wave Filters
The generation and detection of surface acoustic waves (SAWs) using interdigital transducers (IDTs) on a piezoelectric surface have been used to produce many high performance Band Pass Filters. This thesis focuses on ... -
Force and Shape Estimation using Fiber Bragg Grating Sensors for Assistance in Minimally Invasive Diagnostic and Surgical Procedures
Fiber Bragg Grating (FBG) sensors have become increasingly popular for applications in biomedical engineering. Amongst these, use of FBGs in ‘smart instruments’ for minimally invasive diagnostic and surgical procedures ... -
Studies on Single Step Deposition of ZnO Nanostructured Thin Films for Sensing and Photocatalysis Application
ZnO, band gap of ~3.37eV, is a chemical stable, biocompatiable, non-toxic n-type semiconductor material. Due to advancement of microfabrication technology and chemical synthesis method, nanostructured ZnO are found to be ... -
Development and Application of Fiber Optic Sensors for Structural and Flight Testing of Aircraft
Structural testing deals with sensing of health parameters such as strain, temperature, vibration, etc. of different structures like aircrafts, ships, bridges, dams, buildings, etc. and it is important from the viewpoint ... -
Fiber Bragg Grating Based Sensing Devices for Novel Applications in Bio-medical and Engineering Fields
Sensors have been an integral part of human life. Various sensor technologies have contributed in their own ways to fulfill specific requirements for aiding human beings. In this context, fiber optic sensors have several ... -
Design, Development and Characterisation of piezoelectric microvalve for electric propulsion system
The advanced geostationary communication satellites have shown trends in terms of increased power, life and payload mass. For these platforms, Electric Propulsion Systems (EPS) offer an attractive option for overall mass ...