What is an Objective Lens? | Learn about Microscope - what is the function of objective lens in microscope
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The electric vector is usually taken as the polarization vector. The electric field exert force $-eE$ on the electrons of the atom and the electrons will get the acceleration $-eE/m$. The strength of the magnetic force $-e(v\times B)$ is ~$1/c$ times smaller than the force by electric field (where c is the velocity of the light). Almost all the properties of the light with matter comes from its interaction with electrons inside that matter. Based on these facts the direction of electric field becomes the natural choice of the direction of polarization.
by D Liu · 2020 · Cited by 135 — Light-absorbing carbonaceous aerosols (LACs), including black carbon and light-absorbing organic carbon (brown carbon, BrC), ...
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So, My question is, which-one of the concept of linear-polarization (from above 2) is correct? If both is wrong, then what would be the correct concept?
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Fig 1. the vertical arrows is just an abbreviation showing the vertical electric field, and not showing the horizontal magnetic fields. (in fig. 1 the dot-sign indicates we're viewing the ray coming towards our eye). (In the right-side, realistic image, i did not shown double-headed arrow b'coz i've shown condition at one moment)
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The polarizers are the materials which has easy movement of electrons in one direction (pass direction) and restricted movement in perpendicular direction (block direction) resulting in more absorption in block direction (Such as wire grid). Hence light wave which has electric field parallel to the pass direction is passed.
Fig 2. If we could show the magnetic field, it should look like this. Fig 2a when we would see from side, fig 2 b when we would see from front. (in fig 2b i didn't used double-headed arrow because i shown condition of one moment.)
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The objective also has a hemispherical front lens and a meniscus second lens, which work synchronously to assist in capturing light rays at high numerical ...
An electromagnetic wave always has an electric and a magnetic field. You cannot remove one and have the other still propagate.
Barrel distortion is a common optical defect in photography and videography. It's usually caused by shooting with a wide-angle lens with a small focal length, ...
Jul 11, 2023 — A microscope is an instrument that magnifies an object so that it may be seen by the observer. In addition to magnification, microscopes ...
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The polarizing-crystal actually filters-out the magnetic-component and allows only the electric-component only, like this-
Galilean expanders are compact, suitable for high-power lasers due to the absence of internal convergence points, while Keplerian expanders offer higher ...
As stated in the comments, an electromagnetic wave can not consist of only an electric nor of only a magnetic field. They go hand in hand.
Both of us searched internet for hours make the dispute clear, but I could not display them any diagram that displays that , after being filtered through a polarizing crystal, the wave retains both the components. So they didn't believed this and stood on the same point (fig. 3)
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Also known as 'depth of field', this is the distance (measured in the direction of the optical axis) between the two planes which define the limits of ...
Magnetic field will remain same until unless you are using ferromagnetic materials. It may be noted here that even if you choose a medium in which one of the field components is absorbed preferentially, as soon as the light leaves that medium (if at all it can leave the medium) the stronger component will reproduce the depleted component naturally such that their strength become equal (as in normal case).
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The focal length is usually stated on the side of your camera lens. If you got a lens bundled in with your camera, it's probably going to be something like ...
in an event of a plane-polarization, the polarizer-crystal does NOT separate the electric-component and magnetic component of the light. The magnetic component after polarization is just Not drawn to avoid some (?) complications. So ,
Nov 28, 2023 — This process involves converting a ... In the plus cylinder form, the cylinder ... This axis adjustment is crucial because the axis in a cylindrical ...
Green laser, blue laser, red laser, yellow laser, infrared laser and UV ultraviolet Laser systems are manufactured by CNIlaser.
An antireflective, antiglare or anti-reflection (AR) coating is a type of optical coating applied to the surface of lenses, other optical elements, ...