Question

beams factor value is generally between​

Answer 1

For ion lasers, the M2 factor is typically between 1.1 and 1.3. Collimated TEM°°diode laser beams usually have an M2 ranging from 1.1 to 1.7. For high-energy multimode lasers, the M2 factor can be as high as 3 or 4.

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