Multibeam Backscatter vs. Sidescan Sonar Imagery
Multibeam Backscatter vs. Sidescan Sonar Imagery
Feb 16, 2014
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Consider s monochromatic beam of wavelength 6,000 Åincident (from an extended source) on a Fabry-Perot etalon with n2=1, h=1  cm and F=200. Concentric rings are observed on the focal plane of a lens of focal tength 20  cm (a) Calculate the reflectivity of each mirror. (b) Calculate the radii of the first four bright rings. What will be the corresponding values of m ? (c) Calculate the angular width of each ring where the intensity falls by half and the corresponding FWHM (in mm ) of each ring. |
Consider s monochromatic beam of wavelength 6,000 Åincident (from …
Sep 12, 2020
numerade.com
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