Square Shape

 Square Shape

Product name : Square 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

Specification
Beam Mode Single Mode TEM00 with M2<1.5
Element Type Windows
Material Fused Silica
Wavelength 1064nm ( 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 ST-308-I-Y-A Stable Top-Hat Beam Shaper 1 2.08 -
1 TH-220-I-Y-A Top-Hat Beam Shaper 1.125 6.2 -
2 ST-315-I-Y-A Stable Top-Hat Beam Shaper 1.5 1.39 -
3 ST-291-I-Y-A Stable Top-Hat Beam Shaper 2 1.02 -
4 TH-221-I-Y-A Top-Hat Beam Shaper 2.2 3.2 -
5 TH-271-I-Y-A Top-Hat Beam Shaper 2.2 3.2 -
6 ST-292-I-Y-A Stable Top-Hat Beam Shaper 2.5 0.81 -
7 ST-293-I-Y-A Stable Top-Hat Beam Shaper 3 0.68 -
8 ST-290-I-Y-A Stable Top-Hat Beam Shaper 3.5 0.6 -
9 ST-220-I-Y-A Stable Top-Hat Beam Shaper 4 0.52 -
10 TH-289-I-Y-A Top-Hat Beam Shaper 4 10.47 -
11 ST-229-I-Y-A Stable Top-Hat Beam Shaper 4 12 -
12 ST-225-I-Y-A Stable Top-Hat Beam Shaper 4.5 0.47 -
13 ST-316-I-Y-A Stable Top-Hat Beam Shaper 5 0.42 -
14 TH-277-I-Y-A Top-Hat Beam Shaper 5 0.75 -
15 PT-012-I-Y-A Polychromatic Top-Hat Beam Shaper 5 174.83 -
16 ST-282-I-Y-A Stable Top-Hat Beam Shaper 6 0.34 -
17 PT-010-I-Y-A Polychromatic Top-Hat Beam Shaper 6 0.56 -
18 ST-323-I-Y-A Stable Top-Hat Beam Shaper 6 0.92 -
19 TH-269-I-Y-A Top-Hat Beam Shaper 6 1 -
20 TH-267-I-Y-A Top-Hat Beam Shaper 6 1.32 -
21 TH-260-I-Y-A Top-Hat Beam Shaper 6 1.71 -
22 TH-304-I-Y-A Top-Hat Beam Shaper 6 1.71 -
23 TH-259-I-Y-A Top-Hat Beam Shaper 6 3.19 -
24 TH-303-I-Y-A Top-Hat Beam Shaper 6 3.21 -
25 TH-268-I-Y-A Top-Hat Beam Shaper 6 10.8 -
26 ST-234-I-Y-A Stable Top-Hat Beam Shaper 7 0.3 -
27 ST-212-I-Y-A Stable Top-Hat Beam Shaper 7 1 -
28 TH-013-I-Y-A Top-Hat Beam Shaper 7 17.5 -
29 TH-279-I-Y-A Top-Hat Beam Shaper 7.5 0.6 -
30 ST-235-I-Y-A Stable Top-Hat Beam Shaper 8 0.26 -
31 PT-020-I-Y-A Polychromatic Top-Hat Beam Shaper 8 11.6 -
32 PT-015-I-Y-A Polychromatic Top-Hat Beam Shaper 8 26.66 -
33 PT-008-I-Y-A Polychromatic Top-Hat Beam Shaper 8 28.65 -
34 ST-236-I-Y-A Stable Top-Hat Beam Shaper 9 0.23 -
35 ST-238-I-Y-A Stable Top-Hat Beam Shaper 10 0.2 -
36 TH-258-I-Y-A Top-Hat Beam Shaper 10 0.48 -
37 TH-002-I-Y-A Top-Hat Beam Shaper 12 2.4 -
38 TH-281-I-Y-A Top-Hat Beam Shaper 18 0.66 -
39 TH-291-I-Y-A Top-Hat Beam Shaper 20 1.97 -