jcmision12 jcmision12

03-05-2024
Physics

Answered

A laser cutting device where the material to be cut is placed 7.0 cm behind a lens. The laser holds a wavelength of 2.18 μm. The laser must be focused upon a 8.0 μm diameter in order to have enough power to make the cut.
What is the minimum diameter of this lens?

Answer :

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