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Quote from: hamdani yusuf on 19/01/2023 02:25:26Quote from: alancalverd on 18/01/2023 16:14:08Huygens predicts how it will be affected by reflection,How is a wave reflected in Huygen's model?What makes it different than transmission?Here's how reflection is explained using antenna model, starting at 5:45.//www.youtube.com/watch?v=md7GjQQ2YA0This is the model I used to come up with blocking mechanism, and designed polarization twister.
Quote from: alancalverd on 18/01/2023 16:14:08Huygens predicts how it will be affected by reflection,How is a wave reflected in Huygen's model?What makes it different than transmission?
Huygens predicts how it will be affected by reflection,
This is the first episode about coherence and how this wave phenomenon can cause waves to behave like localized entities or energy quanta. Unfortunately the quantum (or corpuscular) description of light leads to a lot of confusion (and nonsense). The goal of this video is to describe "quantized" behavior of light purely from wave principles. Because: why first transform waves into particles and then try to describe them using a wave function?Contents:0:00 Intro1:04 Historical perspective2:58 Quantization and the photoelectric effect6:42 Light is just waves7:24 Coherence explained 12:54 Temporal coherence as a sum of EM-fields16:47 Coherence length vs. spectral band width20:25 experiments on the coherence length of light
Here's another attempt to explain light more intuitively.
Quote from: hamdani yusuf on 07/02/2023 13:54:13Here's another attempt to explain light more intuitively.Why? Does anyone bother with an "intuitive explanation" of water, steel, cats, DNA....?Stuff exists, things happen, and sometimes you need more than one equation to predict what happens next.
there's at least one false assumption.
Quote from: hamdani yusuf on 10/02/2023 06:32:20 there's at least one false assumption.The incorrect assumption is that light should behave like macroscopic matter- whether that's waves on the sea or snooker balls on a table.We know that.So what?
I'm beginning to wonder what you mean by "explain". We can certainly make lots of predictions about the behavior of electromagnetic radiation. How much more do you want?
Coherence & Light Part1: Temporal Coherence
Coherence & Light part 2: Spatial CoherenceContents:0:00 Intro0:38 Real life demo of spatial coherence (Lorentz pond)2:14 Numerical wave simulations (Nils Berglund)5:05 Area of Coherence explained8:07 Calculating the Area of Coherence of the Sun9:10 Spatial coherence and the double slit experiment10:41 About the use of metaphors in science12:45 Double slit demo without & with spatial coherence15:43 Spatial coherence of light from far away stars18:13 Quantization and semantics20:39 Credits