Difference between revisions of "Vertical Beam Divergence"

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[[Image:Vertical_Beam_Divergence_plot.jpg|none|frame|right|400px|figure 1]]
[[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.


figure 1

Source: ENG7, Guideline G1065