Beam emergence from cylindrical lens

AI Thread Summary
When a laser beam passes through a cylindrical lens, it is focused along one axis while remaining collimated along the perpendicular axis. At the focal plane, the beam will appear as a line rather than a point, demonstrating the lens's ability to focus light in one dimension. The cylindrical lens alters the beam's shape due to its curvature, which can be challenging to grasp for those unfamiliar with optics. Understanding the basic physics involves recognizing how cylindrical lenses manipulate light differently compared to spherical lenses. Clarifying these concepts can enhance comprehension of light behavior in optical systems.
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if a cylindrical lens is put in the path of a laser beam what is expected to be seen at its focal plane? how will the beam look like after emerging from it?
 
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What do you think will happen?
 
I am not at all convinced about focusing along one axis .. trying really hard 2 comprehend, but the concept of a cylindrical lens is not sinking in. I am having tough time understanding the BASIC physics behind it. Consider me to be the most dumb student and help me over this.
tnx
 
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