A Powell lens is used to generate a straight line with aspherical curvature on its apex, thereby outputting a line that has an even distribution of energy. For comparison, cylindrical lenses generate Gaussian beam profiles with hot-spot center points and fading edges.
The uniformity of the output line is also dependent upon incident wavelength, beam size, divergence, and working distance.
To get even an distribution of energy, the apex curvature needs to be slightly modified and optimized for each particular laser beam.
| CeNing Optics Co., Ltd. | |
|---|---|
| Product Category | Optical Lenses |
| Product Number | Powell Lenses |
| Product Name | Optical Lenses |
| Lens Type | Aspheric; Powell |
| Lens Application | Visible |
| Center Thickness | 7 to 9 mm (0.2756 to 0.3543 inch) |
| Diameter / Length | 9 mm (0.3543 inch) |
