Difference between revisions of "Vertical Beam Divergence"
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[[Image: | [[Image:VerticalBeamDivergencePlot.jpg|none|frame|right|400px|figure 1]] | ||
Source: ENG7, Guideline G1065 | Source: ENG7, Guideline G1065 |
Revision as of 14:42, 18 February 2018
The angle of the light beam between points where the intensity has fallen to a fraction of the maximum intensity within the beam.
The vertical divergence is typically specified between the first points where the intensity falls to 50% of the maximum.
Source: ENG7, Guideline G1065