Huygens Optics | About Laser "Speckle" @HuygensOptics | Uploaded January 2024 | Updated October 2024, 1 hour ago.
The video shows a simulation of a phenomenon called "speckle". It's best known as the granular interference pattern observed if we shine a coherent light of a laser at a diffuser. You can also observe it from a medium that contains small scattering particles.
The simulation shows that it is caused by small phase differences that are introduced in the light by non-uniformity of a medium
The green laser speckle image is taken from Wikipedia (copyrights Steve Jurvetson) and shown here under the Creative Commons license 2.0 (creativecommons.org/licenses/by/2.0/)
Simulations made using the Python code suplied by @DiffractionLimited
#physics #light
The video shows a simulation of a phenomenon called "speckle". It's best known as the granular interference pattern observed if we shine a coherent light of a laser at a diffuser. You can also observe it from a medium that contains small scattering particles.
The simulation shows that it is caused by small phase differences that are introduced in the light by non-uniformity of a medium
The green laser speckle image is taken from Wikipedia (copyrights Steve Jurvetson) and shown here under the Creative Commons license 2.0 (creativecommons.org/licenses/by/2.0/)
Simulations made using the Python code suplied by @DiffractionLimited
#physics #light
