Paul prism

The Paul prism is a quantum leap forward in line generator performance over the simple cylinder lens. Acylinder lens produces a poorly illuminated line, one limited by the non-uniform, Gaussian laser beam. The Paul prism' rounded roof is in fact a complex two-dimensional aspheric curve that generates a tremendous amount of spherical aberration that redistributes the light along the line; decreasing the light in the central area while increasing the light level at the line's ends.

MgF2 Coated Paul prism

Paul prism (also known as laser linear generator lens) is an optical marking prism, which can be optimized for the input of laser beam with the diameter of 0.8mm. Paul optical prism makes the laser beam can be optimized into a straight line with uniform optical density, good stability and good linearity after passing through. Different from the cylindrical lens which produces the characteristics of central hot spot and faded edge gaussian beam, it can eliminate the distribution of central hot spot and faded edge of gaussian beam and form a straight line with uniform energy distribution.

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