Difference between revisions of "Vertical Beam Divergence"
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(Created page with "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 specifi...") |
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Revision as of 15:22, 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