Assertion: beam's beam divergence | /r/HasProperty | measure
Facets:
value: previously
type: TEMPORAL
value: generally
type: DEGREE
Source sentences:
text: The beam divergence of a laser beam is a measure for how fast the beam expands far from the beam waist.
text: Generally, the beam divergence of laser beam is measured using beam profiler.
text: According to the encyclopedia of laser physics and technology, beam divergence of a laser beam is a measure for how fast the beam expands far from the beam waist.
text: The beam divergence of a laser beam is a measure for how fast the beam expands far from the beam waist, i.e., in the so-called far field.
text: If the beam divergence has been previously measured, the diameter of the spot at the laser output can be calculated.