Need Analytical proof for

  • Thread starter Tonauac
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  • #1
Tonauac
Analytical proof for
better Visibility and contrast of interference fringes created by monochromatic light than white light.

I know that there will be overlapping & ....the light fades on moving to extrmities....in case of white light...and there wil be a better contrast ....incase of monochromatic light....but i need a mathematical proof....,
pls reply....urgently required...........................................
 
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  • #2
OlderDan
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How do you define better contrast? If you don't have a definition, then you have to come up with one. A simple definition would be the difference between the intensities of adjacent maxima and minima.

For white light, if you don't already have the intensity vs position relationship, you should be able to integrate over the visible spectrum to find intensity as a function of position.
 
  • #3
Tonauac
OlderDan said:
How do you define better contrast? If you don't have a definition, then you have to come up with one. A simple definition would be the difference between the intensities of adjacent maxima and minima.

For white light, if you don't already have the intensity vs position relationship, you should be able to integrate over the visible spectrum to find intensity as a function of position.






thanks you Sir...................,ill try that
 

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