All Questions
Tagged with optics polarization
335
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Average polarization of photons and lasers
Sunlight is made up of photons polarized in many directions, so it is derived that sunlight has a 50% chance of passing through a polarizing filter at any angle.
My question is, if you know 50% of ...
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What happens when a linear polarized EM wave encounters a perpendicular mesh of wires (which are electrically connected)?
Assume a radio wave with wavelength 1 m is traveling in the negative z direction when it encounters a grid of closely spaced wires (say, 10 cm separation) laying in the xy plane, with each wire ...
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How to find the orientation of a circular polarizer without reference polarizers or molecules
It's my first time using this website, I really need your help to solve something. Also, english is not my first language so I'm sorry if I write nonsense stuff. My professor made a challange for the ...
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Mixed configuration of magneto-optical kerr effect
Typically there are three types of magneto-optical Kerr effect experiments: Polar, longitudinal, and transverse. These three geometries yield very different results regarding what is measured (...
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A question about circularly polarized light
At work, a senior colleague thinks that circularly polarized light does not exist. My problem is that we both work on a project involving polarized light. In some occasions, I would like to point out ...
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How to measure the direction of circular polarization of single photons?
I just watched this video about the 2022 Nobel prize in physics which mentions the experiments that have been conducted to test Bell's inequality. In the video, they also described the experiment by ...
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How can I identify a quarter or half wave plate from a used/modified Strainoptics polarimeter?
I'm a glassblower and I need to test glass formulas for compatibility. I'd like to use a polarimeter as it allows not only the detection of strain, but also informs if a glass needs to be softer or ...
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Can circularly polarized light induce magnetization?
In optics, we usually consider a non-magnetic medium where the magnetization $M$ is zero, while the polarization P is proportional to the electric field $P=\epsilon_0\chi E$. $P$ is induced by some ...
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Stokes' vectors and quaternions
About a month ago, I was presented in my Optics class (classical and electromagnetic optics, to be more precise) the representation of partially polarised light through Stokes' vectors. Now, it ...
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Physical mechanisms for true depolarization of light (decrease in the degree of polarization)
I understand that complex polarization transformations (e.g., in Mie scattering) can occur without changing the technical degree of polarization (P). I'm interested in the mechanisms that specifically ...
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Why intensity of unpolarised light is halved each time it passes through a polariser?
My doubt is
Why is intensity halved each time an unpolarised light passes through a polaroid?
My thought process is that if an unpolarised light passes through a polaroid, it will polarise the ...
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Graphical interpretation of complex electric fields
Before anything, I have read similar questions here but still something doesn't click perfectly, so I'll try to describe so.
My doubt is essentially that I have always thought $\vec E$ in the context ...
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Is Jones calculus a "calculus" in the proper mathematical sense? [closed]
I've come to understand "calculus" as the mathematical study of continuous changes in a mathematical function or physical system. Differential and integral calculus are broad examples of ...
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How to eliminate polarization mismatch in the Michelson interferometer based on single-mode optical fiber?
We are developing a mobile system for optical coherence tomography based on fiber optic Michelson interferometer. We are facing a problem of chenging the polarization during a movement of the fiber. ...
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Why is the power of light different at 45 degrees than at 135 degrees of the half wave plate
I have tried to make a polarizing attenuator by using a vertically polarized laser shining light first on a half wave plate that is under an angle a opposed to the vertically polarized light. Then the ...
