Syllabus

Module1(10 Hrs)
Laser Fundamentals: spontaneous & stimulated emission/absorbtion, population inversion & pumping, cavity design, coherence and interference. Common industrial lasers and their output characteristics: CO2, Ruby, Nd-YAG, Nd-glass, excimer & Diode laser. Overview of laser Applications: Laser application in various fields, advantages & disadvantages, economics.
Module2 (5 Hrs)
Laser processing fundamentals: beam characteristics, optical components and design of beam delivery systems, absorption characteristics of materials, heat flow theory and metallurgical considerations.
Module3(6 Hrs)
Cutting and drilling: Process characteristics, material removal modes, development of theoretical models and practical performance.
Module4(10 Hrs)
Welding: Process mechanisms like keyhole & plasma, development of theoretical models, operating characteristics and process variation.
Surface modification: heat treatment, rapid solidification, alloying and cladding, surface texturing, development of theoretical models, LCVD, LPVD. Laser Bending
Module5(5 Hrs) Special topics: detection and measurement of radiation, laser safety, laser AM

To understand the fundamental o laser generation

various types of industrial laser for material processing

understanding of different types of laser based manufacturing process

Application of laser in cutting, drilling , welding and surface modification

CO1: Knowledge of fundamental o laser generation
CO2: Understanding the different types of industrial laser for material processing
CO3: Understanding the basic concept of laser material processing for various manufacturing methods.
CO4: Can apply laser in manufacturing process like, cutting, drilling , welding and surface modification
CO5: Able to solving analytical problems related to laser material processing.

J Mazumdar, W. M. Steen, Laser Material Processing (2010), Springer

Elijah Kannatey-Asibu, Principles of Laser Materials Processing (2023), Wiley

N B Dahotre, S Harimkar, Laser Fabrication and Machining of Materials (2014), Springer

John Ion, Laser Processing of Engineering Materials: Principles, Procedure and Industrial Application (2005), Butterworth- Heinemann