Diffractive Optical Element (DOE)

Beam Splitter DOE

Part NumberWavelength (nm)Dia (mm)Thickness(mm)Input Beam Dia(mm)No. of Spots
DOE-355-1×335525.43121×3
DOE-355-1×835525.4331×8
DOE-1064-1×4106415.0381×4

Beam Shaper DOE

Part NumberWavelength (nm)F-theta EFL (mm)Dimension (mm)Input Beam Dia(mm)Flat Tope Beam Size (µm)
DOE-SCAN-1064-254C106425416 x 16 x 34.5116
DOE-SCAN-1064-163106416316 x 16 x 35.0118
DOE-SCAN-532-33053233016 x 16 x 33.0120

Beam Splitter DOE

Beam Splitter DOE

The collimated laser light is incident onto an array (1 x N or M x N) of Beam Splitter DOE to split the input beam into N beams. The N output beams make some separation angle with the Beam Splitter DOE and there exists the desired zero-order beam for an odd number of beams (N). The focusing lenses are often used to achieve the output at the desired working distance.

Beam Shaper DOE

This set up comprises a laser source, Beam Shaper DOE, scan system/lens, and a working surface. The light passed through the Beam Shaper DOE distributes the Gaussian beam energy into a uniform intensity of either a circular or rectangular top-hat profile.  

Beam Splitter DOE

Material: Fused Silica
Beam Mode: SM or MM
Separation Angle: 0.0053°, 0.048°, 1.15°
Total Angle: 0.011°, 0.33°, 3.45°
Transmission Efficiency:  ̴ 100%Overall Efficiency ̴  74- 85%
Uniformity (Contrast): < 1-3%
Zero-Order: relative to the incident beam<0.5-1%
Type: Window
Coating: AR/AR @ 355nm, 1064nm

Beam Shaper DOE

Material: Fused Silica
Beam Mode: SM or TEM ₀₀ with M²<1.5
Transmission Efficiency:  ̴ 100%
Overall Efficiency:  ̴ 90-95%
Shape: Circular, Rectangular
Type: Window
Coating: AR/AR @ 532nm, 1064nm

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