Important Tools in Nanotechnology - Scanning Electron Microscope

Interference and Diffraction of Light Old

Fiber Optics and Lasers Old

Quantum Mechanics Old

Motion of Charged Particle in Electric and Magnetic Fields Old

Superconductivity Old

Nanoscience and Nanotechnology Old

Interference and Diffraction of Light

• Interference by Division of Amplitude and by Division of Wave Front
• Interference in Thin Film of Constant Thickness Due to Reflected and Transmitted Light
• Origin of Colours in Thin Film
• Wedge Shaped Film(Angle of Wedge and Thickness Measurement)
• Newton’S Rings
• Applications of Interference - Determination of Thickness of Very Thin Wire Or Foil
• Determination of Refractive Index of Liquid
• Wavelength of Incident Light
• Radius of Curvature of Lens
• Testing of Surface Flatness
• Anti-reflecting Films and Highly Reflecting Film
• Diffraction of Light
• Fraunhoffer Diffraction at Single Slit
• Fraunhoffer Diffraction at Double Slit
• Diffraction Grating
• Resolving Power of a Grating
• Dispersive Power of a Grating
• Application of Diffraction
• Determination of Wavelength of Light with a Plane Transmission Grating

Lasers

• Quantum Processes as Absorption
• Spontaneous Emission and Stimulated Emission
• Metastable States
• Population Inversion
• Pumping
• Resonance Cavity
• Einsteins’S Equations
• Helium Neon Lase
• Nd:Yag Lase
• Semiconductor Laser
• Applications of Laser
• Holography (Construction and Reconstruction of Holograms)
• Industrial Applications(Cutting, Welding Etc)
• Applications in Medical Field

Fibre Optics

• Total Internal Reflection
• Numerical Aperture
• Critical Angle
• Angle of Acceptance
• Vnumber
• Number of Modes of Propagation
• Types of Optical Fiber
• Losses in Optical Fibre(Attenuation and Dispersion)
• Applications of Optical Fibre
• Fibre Optic Communication System
• Sensors
• Applications in Medical Field

Electrodynamics

• Cartesian
• Cylindrical and Spherical Coordinate System
• Scaler and Vector Field
• Physical Significance of Gradient
• Curl and Divergence
• Determination of Maxwell’S Four Equations
• Applications-design of Antenna
• Wave Guide
• Satellite Communication

Charge Particle in Electric and Magnetic Fields

• Fundamentals of Electromagnetism
• Motion of Electron in Electric Field
• Motion of Electron in Magnetic Field
• Magnetic Deflection
• Motion of Electron in Crossed Field
• Velocity Selector
• Velocity Filter
• Electron Refraction
• Bethe’S Law
• Electrostatic Focusing
• Magnetostatic Focusing
• Cathode Ray Tube (Crt)
• Cathod Ray Oscilloscope (Cro)
• Application of Cro
• Voltage
• Frequency
• Phase Measurement

Nanoscience and Nanotechnology

• Introduction to Nano-science and Nanotechnology
• Surface to Volume Ratio
• Two Main Approaches in Nanotechnology
• Bottom up Technique
• Top Down Technique
• Important Tools in Nanotechnology
• Scanning Electron Microscope
• Transmission Electron Microscope
• Atomic Force Microscope
• Nano Materials
• Methods to Synthesize Nanomaterials
• Properties and Applications of Nanomaterials