How a Simple UV-visible Spectrophotometer Works : https://www.youtube.com/watch?v=wxrAELeXlek
The Sci Guys: Science at Home - SE1 - EP13: Laser Microscope : https://www.youtube.com/watch?v=7v1ghT-E-Ls
New US Military Laser Gun on USS Ponce : https://www.youtube.com/watch?v=M_aTn1Gr0j8
LASER LITHOTRIPSY FOR KIDNEY STONES KELINA HOSPITAL ABUJA : https://www.youtube.com/watch?v=Ff2DbabHq28
Wave Behavior of Light : https://www.youtube.com/watch?v=RnllmggF8rw
Normal modes-modes and oscillation : https://youtu.be/VQ5xRhNlQiY
Encyclopedia of Laser Physics and Technology : https://www.rp-photonics.com/encyclopedia.html
PRINCIPLES AND WORKING OF A LASER _PART 1 : https://www.youtube.com/watch?v=2Oswmij538Q
PRINCIPLES AND WORKING OF A LASER _PART 2 : https://www.youtube.com/watch?v=WJ05XOJiaDY
CHARACTERISTICS OF LASER RADIATION : https://www.youtube.com/watch?v=BKVMw4jpDZw
CHARACTERISTICS OF LASER RADIATION-2 : https://www.youtube.com/watch?v=oC0sqqzq-BM
Focal Spot Size Calculator for Gaussian Laser Beams: http://www.ophiropt.com/laser-measurement-instruments/laser-power-energy-meters/services/focal-spot-size-calculator-for-gaussian-beams
https://en.wikipedia.org/wiki/Nd:YAG_laser
https://en.wikipedia.org/wiki/Helium%E2%80%93neon_laser
Motion vibration : https://en.wikipedia.org/wiki/Molecular_vibration
https://en.wikipedia.org/wiki/Electronic_band_structure
Energy bands in solids : https://www.youtube.com/watch?v=LD-_eBMm-8s
The band theory of solids : https://www.youtube.com/watch?v=cPMe8T5Sjv0
The band theory of solids : http://www.allaboutcircuits.com/textbook/semiconductors/chpt-2/band-theory-of-solids/
How semiconductors work : https://www.youtube.com/watch?v=33vbFFFn04k
500W hanzlaser fiber laser drilling : https://www.youtube.com/watch?v=mVwQBTwedDg
Advanced manufacturing: Through-hole drilling of a TBC coated GE turbomachinery component: https://www.youtube.com/watch?v=9821Dp_G0bc
TRUMPF Laser micro processing: TruMicro Series 5000 – Laser drilling of printed circuit boards : https://www.youtube.com/watch?v=oVfEqiw9-JU