30:39
Week 12: Lecture 56: Concept of Holes (ctd), Intrinsic and Extrinsic Semiconductors
NPTEL IIT Bombay
29:28
W12: L57: n-type and p-type semiconductors, Semiconductor Diodes, Light Emitting Diodes(LED)
31:17
Week 12: Lecture 58: Diode Laser from the LED
29:02
Week 12: Lecture 59: Homojunction and Hetrojunction Diode Lasers
34:25
Week 12: Lecture 60: Edge Emitting Diode Lasers, Surface Emitting Diode Lasers, Diode Bars & Arrays
31:47
Week 11: Lecture 55: Metals, Insulators and Semiconductors, Concept of Holes
29:03
Week 11: Lecture 54: Semiconductor Lasers: An Introduction and Basics of Semiconductor Physics
32:21
Week 11: Lecture 53: Scaling up of Output Power of Fiber Laser and Operation of Fiber Amplifiers
28:31
Week 11: Lecture 52: The Acceptance Angle, Pumping of Fiber Lasers and their Operation
30:08
Week 11: Lecture 51: Fiber Laser- continued
30:25
Week 10: Lecture 50: Fiber Lasers: Its Advantages over Conventional Solid State Lasers
30:35
Week 10: Lecture 49: Operation of Gas Dynamic CO2 Lasers
30:23
Week 10: Lecture 48: Gas Dynamic Lasers: Principle of Operation
33:36
Week 10: Lecture 47: Principle of Operation of HF, DF Chemical Oxygen Iodine Lasers
33:09
Week 10: Lecture 46: Chemical Lasers: Underlying Physics
30:07
Week 9: Lecture 45: Discrete and Continuously Tunable Operation of a CO2 laser
Week 9: Lecture 44: Gain Broadening and Emission Features (ctd)
30:09
Week 9: Lecture 43: TEA CO2 Lasers: Operation, Gain Broadening and Emission Features
30:15
W9: L42: Pulsed Operation of CO2 Lasers; TEA CO2 Lasers and their Temporal Emission Profile
31:09
Week 9: Lecture 41: Limitations of CW - CO2 Lasers and remedy
31:59
Week 8: Lecture 39: Mechanism of lasing in a CO2 laser
28:46
Week 8: Lecture 40: Low pressure, CW Operation of a CO2 laser
29:45
W8: L38: Modes of molecular vibration, Vibrational modes and 4 level lasing scheme in a CO2 laser
30:55
Week 8: Lecture 37: Molecular Spectroscopy:Ro-vibrational Transitions
Week 8: Lecture 36: Introduction to CO2 lasers and molecular spectroscopy
29:58
Week 7: Lecture 35: Excimer Lasers: Working Principle, Rare Gas Halide Lasers
27:10
Week 7: Lecture 34: Excimer Lasers: Importance
31:53
Week 7: Lecture 33: Diode Pumped Solid State Lasers and Continuously Tunable Solid State Lasers
34:50
Week 7: Lecture 32: Pumping of Nd-YAG Lasers
26:53
Week 7: Lecture 31: Solid State Lasers: Nd-YAG Laser
29:39
Week 6: Lecture 30: Dye Lasers: Working Principle and Emission Features
30:38
Week 6: Lecture 29: Liquid Lasers: Dye Laser
31:38
Week 6: Lecture 28: Argon Ion Lasers: Emission Feature
28:40
Week 6: Lecture 27: Ion Lasers: Argon Ion Laser
Week 6: Lecture 26: Emission Features of He-Ne Laser
30:29
Week 5: Lecture 25: He-Ne Laser (ctd)
31:01
Week 5: Lecture 24: Atomic Gas Lasers: He-Ne Laser
29:15
Week 5: Lecture 23: Different Kinds of Lasers
Week 5: Lecture 22: Electrical Pumping
30:24
Week 5: Lecture 21: Optical Pumping : Coupling of Pump Laser Beam into the Cavity
30:44
Week 4: Lecture 20: Continuous and Pulsed Pumping of Lasers (ctd)
27:02
Week 4: Lecture 19: Continuous and Pulsed Pumping of Lasers
30:28
Week 4: Lecture 18: The Maximum Achievable Power from a Pulsed Laser
34:12
Week 4: Lecture 17: Continuous and Pulsed Operation of Lasers
29:07
Week 4: Lecture 16: Polarisation of Light (ctd) and Brewster Angle of Incidence
31:20
Week 3: Lecture 15: Light Scattering (ctd) and Polarisation of Light
26:39
Week 3: Lecture 14: Scattering of Light
18:10
Week 3: Lecture 13: Diffraction of Light
35:52
Week 3: Lecture 12: Fabrication of Laser Windows and Mirrors (ctd)
30:01
Week 3: Lecture 11: Interference of Light and Fabrication of Laser Windows and Mirrors
33:50
Week 2: Lecture 10: Young's Doble Slit Experiment and Interference of Light
28:22
Week 2: Lecture 9: Behaviour of Light (continued)
43:31
Week 2: Lecture 8: Behaviour of Light
26:14
W2: L7: Population Inversion vis-à-vis No. of Participating Energy Levels in the process of Lasing
29:32
Week 2: Lecture 6: Different Methods of Pumping to Effect Population Inversion
30:17
Week 01: Lecture 01: Lasers at a Glance
32:28
Week 1: Lecture 2: Light Amplifier and the Concept of Cavity
Week 1: Lecture 3: Laser: An Integration of a Population Inverted Medium and a Cavity
33:43
Week 1: Lecture 4: The Invention of Lasers by Maiman
38:29
Week 1: Lecture 5: Population Inversion vis-à-vis Boltzmann Distribution
5:55
Course Introduction - An Introduction to Lasers and Laser Systems
