Three different commonly used methods of measuring the length and fan angle of a light line or a light fan produced by a laser line generator were analyzed, tested, and compared. One measurement method is proposed as the standard method, and the resultant 1/<i>e</i><sup>2</sup> intensity fan angle is proposed as the standard parameter to describe the line generator.
© 1998 Optical Society of America
Haiyin Sun, "Standardization of the Definition and Measurement of the Line Length and Fan Angle of Laser Line Generators," Appl. Opt. 37, 4862-4866 (1998)
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