What is diffraction of Light?
August 4, 2020
Place the light on a stable surface at least one arm’s length away from you. Hold up the two pencils, side by side, with the erasers at the top…
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Diffraction Lab
June 23, 2020
The powder diffraction facility at the Institute for Materials Technology was established in its modern form in 1997, and has grown since then…
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Gabor holography
June 11, 2020
Dr. Dennis Gabor signs a copy of the Museum of Holography s inaugural exhibition catalogue, Through The Looking Glass,during his 1977 visit…
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Two-Dimensional Universe
May 30, 2020
Everyone knows the universe exists in three dimensions, right? Maybe not. For some time now serious physicists have been pondering the seemingly…
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Second order diffraction
March 31, 2020
Interference and Diffraction Interference and diffraction are traveling wave phenomena. When light is forced to go through a narrow slit or pinhole…
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Diffraction Gratings Applications
January 7, 2020
Diffraction grating elements separate white light , which contains many different wavelengths of light, into separate wavelengths. Typically…
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Equation for diffraction
September 27, 2019
The intensity of the light in the diffraction pattern from a double slit is given by: $$ I(\theta) = \cos^2\left(\frac{\pi d \sin\theta}{\lambda}\right)…
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Wavelength of Laser light diffraction grating experiment
September 15, 2019
The diffraction grating was named by Fraunhofer in 1821, but was in use before 1800. There is a good case for describing it as the most important…
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Credit Card hologram
August 13, 2019
Holograms You ve probably got a hologram in your pocket or purse right now. Just look at a credit card. One of my cards has a dove hologram on…
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Wave diffraction animation
July 26, 2019
Diffraction occurs if a wave encounters an object and if the wavelength is of the same size (or greater than) the object size. An example of…
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Diffraction fringes
February 2, 2015
Diffraction gratings - Fresnel zone plates - Gabor Hologram - Order - 1. Introduction and theory. Diffraction Grating is optical device used…
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Blue beam hologram
August 13, 2015
The infamous NASA Blue Beam Project has four different steps in order to implement the new age religion with the antichrist at its head. We must…
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Diffraction grating problems
December 11, 2015
Hello! Thank you for your time and patience to have a look at my question! I am trying to simulate MEMS diffraction grating with COMSOL RF module…
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Diffraction grating formula derivation
November 7, 2014
The present use of ruled gratings for the absolute measurement of x-ray wave-lengths makes it necessary to investigate the possibility of systematic…
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Build a Smartphone
December 20, 2015
Bare bones Linux Raspberry Pi boards have already been used to build a server and a, so turning one into a smartphone couldn t be too far behind…
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