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Superposition of waves hitting at right angle

I'm considering, in general, a spherical wave coming from a pin hole and landing on a wafer, both directly and off of a mirror. The mirror and wafer are at right angle. If it weren't a pin hole, and ...
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37 views

why using a EM spectrum produces a narrower fringes

I'm trying to figure out a physical reason of why a broader pulse turns out to give a narrower fringe, although I know mathematically the fringe is just the fourier transform of the pulse on the ...
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39 views

Is abruptly phase change a dominant cause in observable interferece pattern?

In newton's ring, plane parallel film or in measuring thickness of a paper we see interference pattern confirming wave nature of light. Will interference be observable if we let there is no phase ...
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92 views

3D interference visualisation software

We are searching for a software program that simply helps us to visualize in 3D the interference of planar waves of multiple sources (frequencies) and as sepctrum on a wall. Something like a well ...
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The interference of waves and factors that affect cancellation?

If you had two repeated disturbances on the surface of a water, I know interference will occur. However, if I move the two sources of disturbances closer together, why would the 'gaps' between each ...
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2answers
370 views

Diffraction Grating Spectrometry Question [closed]

Yes, this is a homework question, but I've already failed to solve it enough times that the online system hosting it isn't going to give me any marks, so I figure it's a good time to stop hitting the ...
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42 views

Interferometer problem about periodic fringe patterns [closed]

Please,kindly help me; my teacher assigned me problem set, and she never went over anything about interferometers in class. Also, there is almost no information about about how to solve interferometer ...
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2answers
2k views

What is the fringe separation in Young's double slit experiment?

In the double slit experiment, a pattern of dark and bright bands appears on the screen. Is the fringe separation the distance between two bright bands? Question: In a double slit experiment ...
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51 views

What is the equation for condition of obtaining a bright spot in a wedge shaped film?

I want to know if the condition for obtaining a bright spot in a wedge shaped film is $2 \mu t\cos(r+\theta)=(n+\frac{1}{2})λ$ or $2 \mu t \cos(r+\theta)=(2n-1)λ/2$ . $t$ = thickness $r$ = angle ...