Beam Homogenizers
We build a uniform flat-top for multimode lasers: the workhorse for high-power fiber lasers in hardening, welding and cladding. That means turning a messy multimode beam into a homogeneous spot in the shape you need, then dropping it into your process head, alignment-free.
Even energy across the whole spot, whatever the raw beam looks like
Multimode fiber lasers carry enormous power, but their raw beam shape is lumpy and unrepeatable: hot spots that scorch, cold spots that leave the job half-done. A beam homogenizer flattens all of that into a uniform plateau in the dimensions your process needs, so a hardened track, a weld seam or a clad layer gets the same energy density everywhere. Consistent input, consistent result.
Many modes, many orders: deliberately overlapped
It's the same all-reflective, micro-structured mirror technology as our splitters, used the other way around.
Instead of a single shaped beam, we design a micro-structured mirror that splits the beam into many diffraction orders, its base orders, and lays them on top of one another. A multimode source is the perfect input for this: its many modes wash out the residual structure, and what lands on the workpiece is a clean, uniform plateau, round, square or rectangular, exactly the shape we designed for.
Because the result is built from overlapping orders rather than a single focus, it’s almost insensitive to how the beam is delivered, which makes it straightforward to integrate into a process head without a fine-alignment step.
The result on the workpiece: a uniform plateau in the shape your process needs:
Optimized for your beam's BPP
A multimode beam is defined by its beam parameter product (BPP): the measure of how much light you have and how it spreads. We design the homogenizer around your laser’s BPP, not a generic beam, so the overlapping orders match your actual mode content. Matching that mode content lets us push homogeneity and edge definition to the best your source can give, and it’s why two lasers with the same wattage but different BPP end up with two different, individually optimized designs.
Send us your beam, we design around it
Wavelength, power, fiber core diameter / NA (or measured BPP), and the spot shape and size your process needs: that’s all we need to propose a homogenizer feasibility for your setup.
Multimode homogenizer, or single-mode Top-Hat?
It comes down to your laser. The homogenizer is built for high-power multimode sources; the Top-Hat Beam Shaper is built for clean single-mode beams.
Beam Homogenizer
For multimode lasers. Turns a high-power, high-BPP fiber-laser beam into a uniform spot in the shape you need. Alignment-free integration, forgiving of beam delivery: the workhorse for hardening, welding and cladding.
- Multimode / high-BPP fiber lasers
- Round, square or rectangular
- Alignment-free process-head integration
- Hardening · welding · cladding · brazing
Top-Hat Beam Shaper
For single-mode lasers. Converts a clean Gaussian into a precise flat-top from 1.5× to 10× the spot, at >90–95% efficiency, for micromachining, precision cutting and drilling where the beam is single-mode.
- Single-mode lasers, M² < 1.5
- Precise 1.5–10× plateau, any shape
- Highest efficiency, >90–95%
- Micromachining · cutting · drilling
Not sure which regime your laser falls in? Send us the source and we’ll tell you which shaper fits, and design it around your beam.
Will it fit your setup?
Every homogenizer is designed around your laser and process head. We design against the parameters below: send them and we run a feasibility for your exact configuration.
Typical specifications
| Parameter | Typical |
|---|---|
| Flat-top geometry | |
| Shape | Round, square, rectangular, or custom |
| Spot size | Millimetres to centimetres, configuration-dependent |
| Efficiency | Typ. >90% |
| Homogeneity | Typ. <10% plateau uniformity, optimized to your BPP |
| Input beam | |
| Source | Multimode fiber laser |
| Wavelength | Deep-UV to near-IR; 1064/1070 nm typical for high-power fiber lasers |
| Beam quality | Designed around your BPP (fiber core diameter & NA) |
| Power | Low power to multi-kW |
| Integration | |
| Alignment | Alignment-free — designed to drop into your process head |
| Optics type | All-reflective, micro-structured mirror |
| Further specs | |
| Material | Micro-structured dielectric HR coating on fused silica substrate |
| Delivery | Custom, typically within 3 weeks |
Where it's used
Welding & Cutting
Controlled energy deposition for stable, high-quality joints.
Explore → LPBF spot shapingAdditive Manufacturing
Tailored intensity profiles for productive, repeatable builds.
Explore → Precision beam deliveryLife Sciences & Aesthetics
Homogenized profiles for precise, gentle energy on sensitive materials.
Explore →Frequently asked questions
How is this different from the Top-Hat Beam Shaper?
How does the homogenization actually work?
Why do you need my BPP?
How much alignment does it need?
What shapes and sizes can I get?
Can you give me exact specifications?
Have a multimode laser to homogenize?
Send us your source (wavelength, power and BPP) and the spot you need. We’ll run a feasibility and design a homogenizer around your beam.
Discuss your challenge