uses of newton rings in daily life
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Optical Interferometry - used in defining and calibrating length standards; used in the calibration of slip gauges (called gauge blocks in the US) and in coordinate-measuring machines. It is also used in the testing of optical components
Astronomical Interferomtry - to see distant star by naked eye as point object has its limit on understanding the star, astronomy and the physics. Interferometry - radio astronomy has helped in not only seeing beyond our naked eye, but also developed new science and techniques. Interferometry increases the total signal collected, but its primary purpose is to vastly increase the resolution through a process called Aperture synthesis. This technique works by superposing (interfering) the signal waves from the different telescopes on the principle that waves that coincide with the same phase will add to each other while two waves that have opposite phases will cancel each other out. This creates a combined telescope that is equivalent in resolution (though not in sensitivity) to a single antenna whose diameter is equal to the spacing of the antennas furthest apart in the array.
Acoustic Interferometry - is an instrument for measuring the physical characteristics of sound wave in a gas or liquid; extremely useful in detecting faults in water-pipe lines or chemical industries.
Gamut of digital cameras on your cell phones and other optical instruments do have interference filter to give you sharp images.
Hope the point is made.
Astronomical Interferomtry - to see distant star by naked eye as point object has its limit on understanding the star, astronomy and the physics. Interferometry - radio astronomy has helped in not only seeing beyond our naked eye, but also developed new science and techniques. Interferometry increases the total signal collected, but its primary purpose is to vastly increase the resolution through a process called Aperture synthesis. This technique works by superposing (interfering) the signal waves from the different telescopes on the principle that waves that coincide with the same phase will add to each other while two waves that have opposite phases will cancel each other out. This creates a combined telescope that is equivalent in resolution (though not in sensitivity) to a single antenna whose diameter is equal to the spacing of the antennas furthest apart in the array.
Acoustic Interferometry - is an instrument for measuring the physical characteristics of sound wave in a gas or liquid; extremely useful in detecting faults in water-pipe lines or chemical industries.
Gamut of digital cameras on your cell phones and other optical instruments do have interference filter to give you sharp images.
Hope the point is made.
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