A: We use a fiber with Numerical Aperture (NA) 0.5, so the exit cone angle is about 42 degrees. For reference: our 250 µm fiber has a core of 240 µm. 500 µm fiber: core 480 µm.

A: We use a fiber with Numerical Aperture (NA) 0.5, so the exit cone angle is about 42 degrees. For reference: our 250 µm fiber has a core of 240 µm. 500 µm fiber: core 480 µm.