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What is one way light transmits information?

Discussion in 'Redox Rx' started by Jack Kruse, Mar 27, 2021.

  1. Jack Kruse

    Jack Kruse Administrator

    How does light carry information?
    The twist of light is a key to its ability. The orbital angular momentum of light (OAM) is the component of the angular momentum of a light beam that is dependent on the field spatial distribution, and not on the polarization. ... The internal OAM is an origin-independent angular momentum of a light beam that can be associated with a helical or twisted wavefront.
    A thin light beam, such as that emitted by a laser, may possess a hidden rotational structure, invisible to the naked eye. This structure is rooted in the electromagnetic wave nature of light and it takes two distinct forms, which may be dubbed spin and twist. Spin is associated with the rotation of the electric and magnetic fields oscillating within the optical wave—i.e., the circular polarization of light. Twist instead occurs in light waves having a helical-shaped (or twisted) wavefront and an optical vortex located at the beam axis. When a free material particle absorbs light having spin or twist, it is itself made to spin—in other words, the light exerts a rotational form of radiation pressure, showing that this kind of light carries angular momentum. More specifically, the angular momentum of light having circular polarization is named spin angular momentum (SAM), while that associated with a spiral wavefront is called orbital angular momentum (OAM). This is how light communicates with the quantum spin states of electrons and protons. https://i.stack.imgur.com/UC8Of.png
     
    DebraGM and John Schumacher like this.
  2. Last edited: Mar 27, 2021
  3. Do helices and vortexes spin in same direction? What is spin direction a function of?
     
  4. Helices spin and counterspin simotaineously.

    The image in the above post is a bit "wrong"; in that -> there are two helices -> one moving in one direction and other counter to it -> or what is known in physics as mirror image or in chemistry mirror image; both use the idea of "mirror image" but have a different application.

    Let's start with a simple idea ->

    upload_2021-3-27_11-24-3.png
    A geometric interpretation of distance in octaves by means of the helix of pitch. (a) The whole number of turns separating the lower limit of pitch f min from the frequency f of the tone. (b) The inclusion of phase in the helix of pitch is such that its effect is to rotate the whole helix by an angle corresponding to its magnitude.

    Now let's lay the images over one another ->


    upload_2021-3-27_11-26-15.png
    The color contrast help "visualize" both helices moving counter spin to each other.

    Now let's try to think about this beyond "two dimensions"

    upload_2021-3-27_11-47-59.png

    And how has Nature shown us? ->

    upload_2021-3-27_11-30-7.png
     
    Last edited: Mar 27, 2021
    Marko Pollo likes this.
  5. The double helix spin is a function of three of factors:
    • Centrifugal vortex
    • Centripetal vortex
    • Spatial circular reciprocating vortex
    Please read: https://forum.jackkruse.com/index.php?posts/296680
     
    Marko Pollo likes this.

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