Question about electron diffraction

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Discussion Overview

The discussion centers on the behavior of electron diffraction through a single slit, specifically how the interference pattern on a screen is affected by the aiming position of the electrons relative to the slit. Participants explore the implications of varying the aiming point while keeping the slit width fixed.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant questions whether the interference pattern changes significantly based on whether electrons are aimed at the center or the edges of a single slit.
  • Another participant asserts that factors such as the distance between slits, the size of the slits, and the aiming point are important for the resulting pattern.
  • A participant clarifies that they are specifically interested in how the interference pattern varies as a function of the aiming position relative to a fixed-width slit.
  • There is a request for information on how the interference pattern changes when electrons are aimed at different portions of the slit.
  • One participant notes that the pattern bars resemble the shape of the slits.

Areas of Agreement / Disagreement

Participants express varying levels of interest in the effects of aiming position on the interference pattern, but there is no consensus on the specifics of how the pattern changes or the extent of those changes.

Contextual Notes

The discussion does not resolve the mathematical or physical details regarding the relationship between aiming position and interference pattern, leaving assumptions and dependencies on definitions unaddressed.

msumm21
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When firing electrons at a small slit, does the resulting interference pattern appearing on a screen behind the slit change significantly depending on whether the electrons are "aimed" at the center of the slit compared to the edges of the slit? Any references with more info about this?
 
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Yes, the distance between the slits, the size of the slits, and the point at which they are aimed all matter.
 
I am referring to a single slit in particular, fixed width. I am wondering how the interference pattern changes as a function of where the electrons are aimed relative to the slit (assuming the source is not rotated but translated so that the electrons are aimed at one edge of the slit for example).

Any references or links with this information would be appreciated. Thanks.
 
Anyone know if/how the interference pattern changes as the electrons are aimed at different portions of the slit?
 
The pattern bars are a similar shape as the slits.
 

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