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Solved: Monochromatic light with wavelength 620 nm passes
Chapter 36, Problem 45E(choose chapter or problem)
Problem 45E
Monochromatic light with wavelength 620 nm passes through a circular aperture with diameter 7.4 μm. The resulting diffraction pattern is observed on a screen that is 4.5 m from the aperture. What is the diameter of the Airy disk on the screen?
Questions & Answers
QUESTION:
Problem 45E
Monochromatic light with wavelength 620 nm passes through a circular aperture with diameter 7.4 μm. The resulting diffraction pattern is observed on a screen that is 4.5 m from the aperture. What is the diameter of the Airy disk on the screen?
ANSWER:
Introduction
We have to calculate the diameter of the Airy disk by produced by the monochromatic light and circular aperture.
Step 1
The angular size of the first disc of the diffraction rings produced by the circular aperture is given by