Elliptical Shape

 Elliptical Shape

Product name : Elliptical Shape
Description :
The “Top-Hat” or “Flat-Top” beam shapers are diffractive optical elements (DOEs) used to transform a near-gaussian incident laser beam into a uniform-intensity (flat) spot of either round, rectangular, square, line or other shape with sharp edges in a specific work plane.

A uniform spot achieved by the top-hat beam shaper enables equal treatment to a surface, preventing over or under-exposure of specific areas. The beam shaper creates a well defined spot, with a flat-top profile, characterized by a sharp transition region that creates a clear border between treated and untreated areas.

For Multimode laser, we generally recommend to use our Beam homogenizer product line.

Applications:
● Laser materials processing: perforation, welding, cutting, scribing, ablation and drilling
● Biomedical applications
● Laser displays
● Marking and printing

The specifications provided on this page are for reference only. Actual product specifications are subject to the manufacturer’s latest official information.
Specification
Beam Mode Single Mode TEM00 with M2<1.5
Element Type Windows
Material Fused Silica
Wavelength 355nm ( Other wavelength is available )
DOE Design 2-level (binary) to 16-level
Minimum Full Angle very small (about 1.5 times Diffraction Limit)
Diffraction Efficiency 86% - 98%
Element Size 11mm to 50.8mm
Coating (Optional) AR/AR Coating

M-Shaper beam profile vs Top Hat profile

Model Description Required Beam Diameter (mm) Full Angle at 1/e2 (mRad) Price(USD) Quantity
0 PT-006-U-Y-A Polychromatic Top-Hat Beam Shaper 2 41.04x58.14 -