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Results tagged with optics
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user 191654
Optics is the study of light, and its interaction with matter. It includes topics such as imaging systems, fiber optics, lasers, quantum optics, and more.
1
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Interference of incident light
Precisely speaking, we are able to see objects not only because of reflection but rather because of scattering or absorption and reemission.
And yes, all light beams constantly interfere with each ot …
- 114
3
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Is it possible to make a laser by sending sunlight through an optical apparatus?
Even with perfect filtering (answer of S. McGrew), one can still distinguish filtered sunlight from true laser light by using the 2nd-order autocorrelation function $g^2(τ)$.
For a laser: $g^2(0) = 1 …
- 114