NPTEL : NOC:Optical Spectroscopy and Microscopy: Fundamentals of Optical Measurements and Instrumentation (Biotechnology)

Co-ordinators : Prof. Balaji Jayaprakash


Lecture 1 - Optical Focus and Localisation of Light

Lecture 2 - Relating Photon's Momentum to Spot Size

Lecture 3 - Shortest Pulse of Light: How fast can we shutter the light?

Lecture 4 - Behaviour of light through polarizers: Introduction

Lecture 5 - Nature of Light: Introduction to Photo Multiplier Tubes

Lecture 6 - Revisiting Polarisation Through Ket Vectors

Lecture 7 - Light through Polarisers: Detailed Description - I

Lecture 8 - Light through Polarisers: Detailed Description - II

Lecture 9 - Time Dependent Perturbation Theory (TDPT): Overview

Lecture 10 - TDPT in Steps-1: Unperturbed and Perturbed Hamiltonian

Lecture 11 - TDPT in Steps-2: Introducing the switch and first approximation

Lecture 12 - TDPT in Steps-3: Finding the co-efficients

Lecture 13 - Fermi's Golden Rule

Lecture 14 - Beer Lambert's Law from TDPT

Lecture 15 - Einstein's Phenomenology

Lecture 16 - Einstein's Coefficients, Fluorescence and Lifetime

Lecture 17 - Fock States and Photonic Treatment of Light

Lecture 18 - Operators in Fock State Space

Lecture 19 - Light Matter Interaction and Rudimentary Feynman Diagrams

Lecture 20 - Emergence of Spontaneous and Stimulated Emission Processes

Lecture 21

Lecture 22

Lecture 23

Lecture 24

Lecture 25

Lecture 26 - Introduction to LASER

Lecture 27 - LASER population dynamics

Lecture 28 - LASER population dynamics - Part- 2

Lecture 29 - Real world LASER and characteristics of LASER emission

Lecture 30 - Temporal and Spatial Coherence

Lecture 31 - Transverse and Longitudinal modes of LASER

Lecture 32 - Pulsed LASER

Lecture 33 - Q-switching in detail

Lecture 34 - Q-switching in detail - Part 2

Lecture 35 - Basics of mode locking

Lecture 36 - Basics of mode locking - Part 2

Lecture 37 - Pulse compression

Lecture 38 - Real world system (Mode lock Part-2)

Lecture 39 - TEM mode

Lecture 40 - Alignment basics

Lecture 41 - Non-Linear Optics

Lecture 42 - Confocal Detection

Lecture 43 - Interference Filters

Lecture 44 - Laser Scanning System - 1

Lecture 45 - Laser Scanning System - 2

Lecture 46 - Alignment of Moving Beams

Lecture 47 - Decoding an Objective Lens - 1

Lecture 48 - Decoding an Objective Lens - 2

Lecture 49 - Designing Lens Systems

Lecture 50 - Astigmatism and Field Curvature

Lecture 51 - Intro to Lab Session

Lecture 52 - Optics in LAB: Aligning light through an optical fiber - 1

Lecture 53 - Optics in Lab: Telescope

Lecture 54 - Kinematic Mounts

Lecture 55 - Alignment with out iris

Lecture 56 - Fluorescecne Spectrometer - 1

Lecture 57 - Fluorescecne Spectrometer - 2

Lecture 58 - Ti:Sapphire Laser and Two Photon Fluorescecne