Powell Lenses

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Powell Lenses
Description
The Powell lens has an advantage over cylindrical lenses because laterone produces a poorly illuminated line, limited by the non-uniformGaussian laser beam. Huge spherical aberration redistribute light alongthe line, decreasing the light in the central area while increasing thelight intensity at the line’s end. The outcome is uniformly illuminatedline used in all manner of machine vision applications.
Standard specifications
Material N-BK7, S-TIH6 or N-SF5
Surface quality 40-20 S-D
Boresight <4 mrad
Fan angle tolerance ±3 %
Clear aperture >90 %
Line straightness <0.1 %
Line uniformity <25 %
Features
• Generates uniform laser line • Fan angle from 1° up to 90° • Line uniformity better than 25 % total variation in line intensity • Line straighness better than 0.1 % • Custom made lenses also available
Miscellaneous
• Custom design production is available
Catalog Items
Product ID Diameter, mm Fan angle, deg Laser beam width, mm Coatings
1-PL-1-B9101 9 10 1 Uncoated
1-PL-1-B9102 2
1-PL-1-B9103 3
1-PL-1-B9151 15 1
1-PL-1-B9152 2
1-PL-1-B9153 3
1-PL-1-B9201 20 1
1-PL-1-B9202 2
1-PL-1-B9203 3
1-PL-1-B9301 30 1
1-PL-1-B9302 2
1-PL-1-B9303 3
1-PL-1-B9451 45 1
1-PL-1-B9452 2
1-PL-1-B9453 3
1-PL-1-B9601 60 1
1-PL-1-B9602 2
1-PL-1-B9603 3
1-PL-1-B9751 75 1
1-PL-1-B9752 2
1-PL-1-B9753 3
1-PL-1-B9901 90 1
1-PL-1-B9902 2
1-PL-1-B9903 3