What affects the diameter of the laser lens?

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Kalombyr2019-02-20 17:51:12

lasers

Kalombyr, 2019-02-20 17:51:12

What affects the diameter of the laser lens?

Greetings!
In general, subject.
For example, on Ali I saw lenses for a laser diode from 5 to 20 mm with the same focal length.
I googled everything I find, only for cameras.

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1 answer(s)

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CHolfield, 2019-02-20
@Kalombyr

Obviously, lenses of different sizes are needed for radiating elements of different sizes.

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