Classification of Optical Fibers, Step and Graded Index Optical Fibers-apniPhysics
There are two types of OPTICAL FIBERS depending on the refractive index of core and cladding are available ; a. Step Index Optical Fiber b. Graded Index Optical Fiber
Supporting physical concept help students to understand physics topics.
Attenuation in Optical Fiber-A Numerical Problem
Attenuation in Optical Fiber The major transmission characteristics for an optical fiber: 1. Attenuation 2. Dispersion Attenuation: Signal attenuation (fiber dB loss explained) within the optical fibers, as with metallic conductors,…
How to Find LASER Wavelength Using a Diffraction Grating in the Lab
How to find LASER (Light Amplification by Stimulated Emission of Radiation) wavelength using a Diffraction Grating in the Lab. For this just take a LASER source, a grating (here grating…
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…
Calculation of the Susceptibility for FeCl3 Solution by Quinkes Method
Introduction Quincke's Method In this video, I have discussed the calculation of the magnetic susceptibility by using Quincke's experiment. What are the important points for the measurement of the magnetic…
Diffraction Grating Determination by Laser Wavelength
Diffraction grating practical lab: Practice Quiz In this experiment you determine the laser wavelength by diffraction grating. To provide all physical concept associated with this experiment I have created this…
Science and Spirituality: An Analogy Biot-Savart’s Law
In this video, I have just try to explain why almost all the spiritual cities of India are situated on the bank especially right of the holy Indian rivers? All…