How to pronounce “unbend” in English

But now the middle of the image would have a slight concave bow, giving the effect of a small divergence.Then Rose, Haider, and Urban forced the beam through a second hexapole , one that worked the opposite way, so it would unbend the distorted image back into a circular shape.But now they, calculated this new image might have the remnants of that tiny divergence still in its center, with spherical aberration pointing in the opposite way.