Measurements of laser beam using knife edge technique

Chapter 1: Introduction to Lasers ........................................................................................................... 1 1.1 Laser Beam Profile Quality Parameters ........................................................................................ 1 1.2 Applications of Lasers ................................................................................................................... 5 1.3 Beam Measurement Techniques .................................................................................................. 5 1.3.1 Non-Electronic Methods ........................................................................................................ 6 1.3.2 Electronic Measurement Methods ........................................................................................ 8 1.3.3 Mechanical Scanning Instruments ......................................................................................... 9 1.3.4 Camera-Based Systems ........................................................................................................ 10 1.4 Scanning Aperture devices .......................................................................................................... 11 Chapter 2: Mathematics of the Knife Edge Technique and Gaussian Beams ....................................... 14 2.1 Gaussian Beam Calculations ....................................................................................................... 14 2.2 Knife Edge Method ..................................................................................................................... 16 2.2.1 Experimental Settings .......................................................................................................... 16 2.2.2 The Mathematics of the Experiment ................................................................................... 17 2.2.3 Plotting the Curve of the Actual Received Power ................................................................ 19 2.2.5 The Experiment Tools .......................................................................................................... 20 2.3 Results Acquired