Instrumentation and Applied Physics (IAP): Recent submissions
Now showing items 181-200 of 225
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Electronics Instrumentation For Ion Trap Mass Spectrometers
(2011-01-31)The thesis aims at building an experimental setup for conducting the boundary ejection and resonance ejection experiments on wide variety of ion trap mass analyzers. The experimental setup has two parts namely power ... -
Performance Characterization Of A Cylindrical Ion Trap Mass Spectrometer
(2011-01-31)The cylindrical ion trap (CIT) is made up of two planar endcap electrodes and a cylindrical ring electrode. The investigation of simpler geometries like CIT has been started off in recent years with a view towards ... -
Studies On The Growth And Characterization Of II-VI Semiconductor Nanostructures By Evaporation Methods
(2011-01-31)In recent years, there has been growing interests on II-VI semiconductor nanostructures, which are suitable for applications in electronics and optoelectronic devices such as solar cells, UV lasers, sensors, light emitting ... -
ECR Studies Across Bare And Gold Coated Metal Contacts At Low Temperatures
(2011-01-28)Electrical contact resistance (ECR) measurements are needed for judging the performance of electrical appliances. Understanding the behaviour of ECR at low temperature gives a unique opportunity for understanding the contact ... -
Neuronal Correlations And Real-Time Implementation Of Spatio-Temporal Patterns Of Cultured Hippocampal Neural Networks in vitro
(2011-01-19)The study of cultured neuronal networks has opened up avenues for understanding the ion channels, receptor molecules, and synaptic plasticity that may form the basis of learning and memory. The hippocampal neurons prepared ... -
Simultaneous Studies Of Electrical Contact Resistance And Thermal Contact Conductance Across Metallic Contacts
(2010-12-07)Contact resistance is the most important and universal characteristic of all types of electrical and thermal contacts. Accurate measurement of contact resistance is important, because it serves as a measure for judging the ... -
Germanosilicate Fibers And Bragg Gratings : Newer Efforts In Understanding Photosensitivity And Novel Methods For Strain-Temperature Discrimination
(2010-12-03)The different topics covered in this thesis include photosensitivity in germanosilicate fibers/glasses and application of fiber Bragg grating sensors in simultaneous strain and temperature discrimination. Fiber Bragg ... -
Sol-Gel Derived Titania Films And Their Potential Application As Gas Sensor
(2010-10-25)Today there is a great deal of interest in the development of gas sensors for various applications like monitoring of toxic gases, detection in oil reservoirs, mines, homes etc. Solid-state gas sensors have many advantages ... -
Studies On Atmospheric Glow Discharge For Surface Modification Applications
(2010-10-22)The properties of materials, especially of solids, can be attributed mainly to the phenomena occurring at the surface. Surface engineering deals with altering the surface properties of materials to realize useful functionalities ... -
Fiber Bragg Grating Interrogation Systems
(2010-10-21)This thesis work deals with the development of three different categories of interrogation techniques for Fiber Bragg Grating based sensor networks. Such networks are used for structural health monitoring and other ... -
ECR Plasma Deposition Of Carbon - Studies On DLC Coatings And Carbon Nanotubes
(2010-10-13)Recent developments in the field of nano-structured materials for technological as well as scientific prospective are quite interesting. In this context carbon plays a dominant role. Few examples such as carbon nanotubes ... -
Studies On Carbon Nanotubes
(2010-09-21)The unique electronic, mechanical and physical properties led Carbon nanotubes (CNTs) to be potential candidate for field emitter, hydrogen storage, sensors, nano electronic devices, nano electromechanical systems, polymer ... -
Instrumentation For Reverse Iontophoresis And Biosensor Capacitance Measurement
(2010-09-15)Iontophoresis is a method to enhance and regulate the transdermal drug delivery by application of an electric field to the skin. Application of small electric current (µ A) enhances transport of both charged and neutral ... -
Thermal And Electrical Properties Of Silver And Iodine Doped Chalcogenide Glasses
(2010-09-13)Silver containing chalcogenide glasses have been extensively studied during the last few decades; the main interest in these materials being their electrical conductivity which changes by several orders of magnitude upon ... -
Studies On The Development Of Piezoelectric Thin Flm Based Impact Sensor
(2010-07-20)Sensors is one of the major areas of current research. Thin film micro/nano sensors are gaining attention worldwide, as there is necessity of miniaturization. There are varieties of sensors available by utilizing different ... -
Small Angle Sensing/Measurement Using 'Pattern Imaging' Method - Few Investigations
(2010-07-14)The present thesis concerns with a few investigations on sensing/measurement of small angle rotation/tilt using Pattern Imaging Method. The methodology involves looking at the tailored-objects located adjacent to the ... -
Development Of Instrumentation For Electrical Switching Studies And Investigations On Switching And Thermal Behavior Of Certain Glassy Chalcogenides
(2010-07-08)The absence of long-range order in glassy chalcogenides provides the convenience of changing the elemental ratios and hence the properties over a wide range. The interesting properties exhibited by chalcogenide glasses ... -
A New Method To Determine Optimal Time-Delays Between Switching Of Digital VLSI Circuits To Minimize Power Supply Noise
(2010-06-01)Power supply noise, which is the variation in the supply voltage across the on-die supply terminals of VLSI circuits, is a serious performance degrader in digital circuits and mixed analog-digital circuits. In digital VLSI ... -
All-Fiber Sensing Techniques For Structural Health Monitoring And Other Applications
(2010-03-02)In this thesis, we explore the four aspects of fiber Bragg grating sensors: mathematical modeling of Fiber Bragg Grating response/spectral characteristics, fabrication using phase mask, application and interrogation. ... -
Development Of A Tin Oxide Based Thermoelectric Gas Sensor For Volatile Organic Compounds
(2009-09-22)Today there is a great deal of interest in the development of gas sensors for applications like air pollution monitoring, indoor environment control, detection of harmful gases in mines etc. Based on different sensing ...