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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 ...
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. ...
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 ...
Studies On The Electrical Properties Of Titanium Dioxide Thin Film Dielectrics For Microelectronic Applications
(2009-05-06)
The scaling down of Complementary Metal Oxide Semiconductor (CMOS) transistors requires replacement of conventional silicon dioxide layer with higher dielectric constant (K) material for gate dielectric. In order to reduce ...
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 ...
Study of Subharmonic Oscillations In Resonance Excitation Experiments In Nonlinear Paul Traps
(2009-07-08)
This thesis presents the results of studies on the problem of subharmonic oscillations in nonlinear Paul trap mass spectrometry. The objective of this thesis is to determine whether the subharmonic oscillations of ions in ...
Studies on Multifrequensy Multifunction Electrical Impedance Tomography (MfMf-EIT) to Improve Bio-Impedance Imaging
(2018-04-11)
Electrical Impedance Tomography (EIT) is a non linear inverse problem in which the electrical conductivity or resistivity distribution across a closed domain of interest is reconstructed from the surface potentials measured ...
Optical Metrology:Techniques For The Measurement Of Optical Parameters
(Indian Institute of Science, 2006-03-08)
The work reported in this thesis has been carried out in the following two areas of Optical metrology:
1. Measurement and correction of prism angles
2. Measurement of refractive indices using a spectrograph.
The ...
Novel Diffraction Based Deflection Profiling For Microcantilever Sensor Technology
(2015-02-04)
A novel optical diffraction based technique is proposed and demonstrated to measure deflections of the order of ~1nm in microcantilevers (MC) designed for sensing ultra-small forces of stress. The proposed method ...
Resonant Excitation Of Ions In Paul Trap Mass Spectrometer
(2007-12-29)
A Paul trap mass spectrometer has a three-electrode geometry mass analyzer consisting of two identical end cap electrodes and a ring electrode. Traditionally, the two end cap electrodes are electrically grounded and an RF ...