General Optics
Diffractive Optical Elements (DOE)
Transform Gaussian laser beams into other intensity distributions to achieve optimal results in a variety of materials processing applications with Coherent DOEs.
Coherent DOEs are built for use in demanding industrial applications – high-power laser welding, PCB drilling, glass cutting, solar cell manufacturing, and more – and are characterized by high efficiency, low stray light, and high damage threshold.
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DOE Fabrication Capabilities
Specify DOEs with various functional capabilities, including a top hat, rectangular, or ring beam shaper, and 1D/2D beam splitter or arbitrary ratio beam splitter.
Specifications
Wavelength range |
193 nm to 3 μm |
DOE steps |
2 to 16 steps |
Conversion efficiency (%) |
40% to 98% |
Element size |
≤200 mm |
Coating (optional) |
Antireflection |
Custom design |
Almost any symmetry or arbitrary shape |
Materials |
Fused silica, BK7, or customer-specified material |
