# Questions tagged [double-slit-experiment]

The double slit experiment involves passing light through two parallel slits to demonstrate that the light from one slit interferes with that from the other.

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### Double Slit vs Diffraction Grating Intensity Graph

I had a few questions regarding the intensity graphs of fringe patterns observed when light is shone through a double slit vs a diffraction grating. For a double slit, does the intensity of the ...
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### Three slits experiments [closed]

What is the results of three slits experiments ? What is the difference between it and 2 slits experiments?? How can measure superposition by three slits experiments
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### Variation in Young's double slit experiment

In Young's double slit experiment two rectangular slits are used.What will happen if instead of two rectangular slits two concentric circular slits(of small radii) are used,the distance between their ...
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### Particle travel time in the double-slit experiment? [duplicate]

In the double-slit experiment, each bright fringe is the result of waves going through both slits and reaching the screen in phase. In other words the difference between the two paths lengths is an ...
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### Question about delayed choice quantum eraser

I'm using figure 2 of wikipedia's entry https://en.wikipedia.org/wiki/Delayed-choice_quantum_eraser If the idler beam is undetected, we get a interference pattern. If it's detected, there's no ...
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### Information Centric Interpretation of the Delayed Choice Experiment

The photon travels from the emmitter to the detector. Along the way it bounces off a few mirrors and off or through a beam splitter or two. This journey takes time, but only from OUR perspective/frame....
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### What's a good textbook to learn about Diffraction in Optics?

I am taking a course in Fundamental of physics for Chemists, Below is the areas I want to learn Franhouofer diffraction Rectangular and circular apertures resolving power Single slit double slit ...
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### Consecutive double slits exepriment

do you know whether there are some modification of Davisson–Germer double slit experiment when we replace one screen with double slit with two consecutive screens with double slits separated by some ...
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### Interference pattern vertical or horizontal

in a double slit experiment, if the 2 slits are horizonal, the interference pattern will be of horizontal lines. But what about if the 2 slits are point sources. Will the interence pattern be ...
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### Tagging the photons on double slit experiment [closed]

I stumbled upon the double slit experiment. It was very interesting to the say the least. The video stated that when being observed the electrons act as particles rather than the wave because they ...
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### Actual double slit

I can't understand what is given here. How is the double slit pattern a interference a two single slit and double slit. If we say it is interference of two single slit then it makes sense. But the ...
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### Very Delayed Choice Experiment

I am trying to really understand this experiment. Some talk about retrocausality. Others give a fair explanation of why that is NOT the case. Lets say we setup our experiment, and photons are divided ...
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### Young`s double slits experiment

At the constructive points on the screen, their constructive amplitudes are equal. So these points must be equally bright, but they are not! Why does this phenomena happen? NB: I have taken this pic ...
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### How to conduct the electron double slit experiment

I am planning to conduct the electron double slit experiment for a project in my school. Even after researching quite a bit online, I wasn't able to find a proper guide that explains the materials and ...
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### Measuring quantum mechanics changes the answer and energy?

A thought occured to me thinking about the quantum slit experiment. Upon firing an electron or particle it would impart an opposing force on the machine shooting it. The direction if this force should ...
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### Is photon something that already exists before measurement?

Do photons actually exist when electromagnetic waves are travelling, or are they thought to exist only because energy always quantizes when it's measured? And if photons really do exist, how their ...
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### In the quantum eraser experiment, is it necessary to have two which-path-erasing detectors rather than one?

In the quantum eraser experiment, why is it necessary to have both D1 and D2? Why not do away with D2 altogether and, as with the standard Mach–Zehnder interferometer, make the photons from BSA and ...
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### Higgs Mechanism and Wave-Particle Duality

According to Higgs Mechanism a particle acquires mass when it couples to the higgs field. Now consider Wave-Particle Duality. Suppose I am doing a Young's Double Slit Experiment using electrons. When ...
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### Cases of Double slit experiment [duplicate]

I'm a high schooler, and I want to clarify what I know about the double-slit experiment. I broke down the double slit experiment into 4 categories: particle w/one & two slit, and wave w/one & ...
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### Double slit and measuring polarization

If you make the double slits experiment and you measure the path the photon went through the wave function will instantly collapse But if you measure the polarity of the photons without measuring the ...
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### Can the double slit experiment be answered with Einstein's gravitational lensing effect?

Since the original double slit experiment was done over 100 years ago, it probably wasn't done in a vacuum. I've noticed that the Einstein's lensing effect (or something similar) happens by looking ...
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### Young double slit experiment

Can we say that the central maximum is the brightest fringe? If so, to find the width of the central maximum, why can't we say that it is twice the width of the brightest fringe (due to 2 times \$\...
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### Light double slit experiment

Does the light double slit experiment work equally regardless of it being done in a vacuum or a medium (gas or liquid)?
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### Has the double-slit experiment been performed with an antennae detector?

My layman's understanding of one aspect of the wave/particle duality is that when we attempt to detect wave behavior we observe wave behavior, and when we measure to detect particle behavior we ...
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### Is it possible in Double Slit experiment that electrons form interference pattern because they interact with edges of slit?

I do understand that wave-particle duality has been established for electrons after finding that it posses wave nature from results of double slit experiment, but is it possible that the electrons get ...
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### Polarize light after double slit experiment [closed]

Recently, I and a classmate did the double slit experiment in class with a laser, but since we had a polarizer (circular if it matters), we placed it after the double slit, and we observed an ...
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### Entanglement in double slit experiment

Suppose we send 2 entangled photons through the 2 slit, does measuring the position of one of the photons affect the other particle's wave function or does the other particle still behave as a wave ?