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Results tagged with optics
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user 30313
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.
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High power beam splitting
I'm trying to split a high power laser (1064nm, 20W, beam diameter @ 1/e^2 intensity: 3.2mm) into two beams and couple them after some additional optics into two SMF's (single mode fiber). …
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High power beam splitting
It turned out that a Glan-Laser polarizer does the required job. The transmitted and reflected beam can be coupled into a SMF equally well as the original beam without splitting. I guess that the abse …
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Why does a laser beam diverge?
Talking about photons doesn't mean giving up the concept of a spatial mode. If you look at a laser beam, which is diverging, and attenuate it to the level of single photons it still has the same spati …
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Can we trap living cells in optical tweezers?
yes, a cell is a dielectric material which is one (among) other requirements for optical trapping. Being dielectric does not mean the material can't be absorptive at the same time.
Optical trapping i …
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