Diffraction Grating Experiment Quiz
To determine the He-Ne gas LASER wavelength we use grating element. Which have 15000 lines per inch or it may very from laboratory to the laboratory. Diffraction Grating Experiment Quiz,…
Semiconductor Diode Laser Experiment Quiz
Semiconductor diode laser quiz. There are 13 questions that will help you to check your learning about the diode laser and its working. Please let me know if any question…
Semiconductor LASER Construction and Working
Introduction to Semiconductor LASER In this video tutorial of semiconductor LASER the following points which given below are explained. The GaAs is responsible for the optical properties when electron and…
Six Major Misconceptions in LASER what Student Thinks ?
Six Major Misconceptions in LASER what Student Thinks about some physical concepts? Like what is ground and excited state of the students? They just explain only about energy not reason…
He-Ne gas Laser: Its Principle, Construction and Working
The principle, Construction, and Working The Helium-Neon laser was the first continuous laser. It was invented by Javan, Bennett and Harriot in 1961. The laser has three components Laser medium:…
Carbon dioxide (CO2) gas Laser
Carbon dioxide (CO2) gas Laser The carbon dioxide laser (CO2 laser) was one of the earliest gas lasers invented by Kumar Patel of Bell Labs in 1964, is one of…
LASER: ATOMIC TRANSITION OR ELECTRONIC TRANSITION
I start this topic with the concept of absorption and emission first of all where one uses the Atomic Excitation or Electronic Excitation. What do you think when a photon…