More Power. Deeper Marks. Two Field Sizes. The MOPA Workstation Built for Serious Production.
The OMTech MOPA 100W Split Fiber Laser Engraver is a 100W JPT MOPA fiber laser marking workstation with dual selectable marking areas (4.3" × 4.3" and 6.9" × 6.9"), 0.15mm maximum marking depth, full MOPA color marking capability, and 10,000 mm/s marking speed — all in an air-cooled split design that requires no water chiller.
For production shops and professional marking businesses that have reached the ceiling of what lower-power MOPA machines can deliver, the 100W is the configuration that removes the constraints.
Compatible Materials:
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Metal
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Plastics
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Stone
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Leather
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Rubber
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Why 100W Changes What's Possible
The step from 60W to 100W MOPA is not a marginal wattage increment. It's an output increase that changes the practical range of applications the machine can execute effectively — and where those applications fall on the production cost curve.
Deeper marking per pass. The 100W MOPA's 0.15mm maximum marking depth exceeds the 0.1mm ceiling of the 60W MOPA Split. For applications where mark permanence is a requirement — defense component traceability, medical device identification, tool markings that survive industrial use — additional depth is the specification that determines whether the mark holds up over time.
Faster throughput on demanding jobs. At 100W, the machine completes complex logos, dense graphics, and deep engraving passes at a faster rate than lower-power configurations. For a production shop where machine time directly limits daily output, this compounds into meaningful revenue per shift.
More MOPA color saturation and range. MOPA color marking quality benefits from higher peak pulse energy. At 100W, the full color spectrum on stainless steel and titanium — golds, blues, reds, greens, purples — is achievable with more vivid saturation and more consistent results across a production batch than lower-power MOPA machines can typically produce.
100W operating headroom. A 60W machine marking at 80–90% output for hours runs hot and produces inconsistent results as the session extends. The 100W machine completing the same jobs at 60–70% output maintains stable beam quality and consistent mark results across a full production day.
Two Marking Fields — The Right Lens for Every Job
The MOPA 100W Split is one of the few fiber laser marking machines in this class that ships with two selectable marking field sizes as standard:
4.3" × 4.3" (110 × 110mm) field lens: The precision configuration. The smaller field concentrates the 100W output into a tighter, higher-energy-density spot. At this field size and power, the machine delivers the finest achievable feature definition — micro-text on medical devices, jewelry hallmarks at trade scale, dense QR codes at very small sizes, and intricate decorative patterns on small metal pieces where every line needs to be crisp.
6.9" × 6.9" (175 × 175mm) field lens: The production configuration. The larger field accommodates more pieces per batch layout, wider nameplates, larger awards faces, and bigger designs — all at 100W output. For a production shop running volume batches of medium-sized metal components, the 6.9" lens is the daily driver.
Switching between lenses changes the field size and the effective energy density at the workpiece. Both are included. The right choice per job — fine detail versus production batch — is simply a lens swap.
Full MOPA Control at 100W — Color, Depth, and Versatility
The JPT MOPA laser source provides adjustable pulse width (2–500 ns) and pulse frequency (1–4,000 kHz) — the two independent parameters that define what a MOPA laser can do beyond black marking.
Color marking on stainless steel and titanium. Specific pulse width and frequency combinations create controlled thermal oxide layers at different thicknesses on the metal surface. Each thickness reflects light at a different wavelength, producing a specific visible color. Golds, blues, reds, greens, purples, and gradients between them are all achievable. At 100W, these colors are achievable with more consistent saturation and faster cycle times than lower-power MOPA sources, making color marking commercially viable at production volumes.
Dark marking on anodized aluminum. The MOPA's pulse control allows clean, high-contrast dark marks on anodized surfaces without the micro-cracking that standard fiber lasers cause. Anodized tumblers, hardware, branded components — all mark cleanly without layer damage.
Deeper engraving passes. The 100W output enables more aggressive material removal per pass than 60W MOPA configurations — useful for 3D relief work, dimensional text, mold marking, and any application where engraving depth is part of the product's value.
Gentle plastic marking. Shorter pulse widths allow marking on ABS, PC, and engineering plastics without burning — the same machine that marks tool steel can mark a keyboard component in the next cycle.
Split Workstation Design — Built for Production, Not Portability
The MOPA 100W Split uses a workstation-style split design — the laser source unit and the marking column with processing platform are separate elements rather than a single integrated cabinet.
For a production shop setting up a dedicated marking workstation, this design is functionally superior to a compact integrated unit:
More physical access around the work platform. Loading and unloading parts, positioning fixtures, and working with larger or irregular pieces is more comfortable with open access rather than reaching into a compact enclosure.
Dedicated workstation ergonomics. The column-and-platform configuration positions the galvo head and work surface at a natural height for standing operators running extended marking sessions — a meaningful difference over the course of a full workday.
Flexible layout integration. The source unit and column position independently — which means the workstation can be configured to fit your shop layout, rather than fitting your layout around a fixed-footprint machine.
The included foot switch enables hands-free triggering throughout batch runs — step, mark, load the next piece, step again — keeping both hands on parts rather than reaching for software controls between marks.
Air-Cooled at 100W — No Chiller Required
At 100W MOPA output, many competing fiber laser systems require water cooling — an external chiller that adds equipment cost, installation complexity, hose routing, coolant maintenance, and freeze risk in cold facilities.
The OMTech MOPA 100W Split operates on air cooling only — no water chiller, no plumbing, no coolant. Plug into standard power, position on your workbench, and it's operational. For a production shop where infrastructure simplicity is as important as machine performance, this is a meaningful operational advantage.
The JPT MOPA laser source carries a 100,000-hour rated service life — approximately 50 years at 8 hours daily, 250 days per year. The 2-year machine warranty covers the complete system including the laser source.
EzCad2 and LightBurn — Full Software Flexibility
The MOPA 100W Split ships with EzCad2 on USB drive — compatible with Windows XP, Vista, 7, 8, and 10 (32/64-bit). EzCad2 provides direct access to all MOPA pulse parameters, color marking settings, barcode and QR code generation, rotary axis control, and advanced marking functions.
LightBurn galvo mode is compatible — available as a bundle option at checkout. LightBurn runs on Windows and macOS, making this the right choice for Mac-based operators who want native compatibility without Windows emulation.
Supported file formats: AI, BMP, DXF, GIF, JPG, PLT, PNG, TGA, TIF.
The Maker's Chest Difference
The OMTech MOPA 100W Split is available from OMTech directly and from other resellers. Here's what changes when you order through The Maker's Chest:
- 🛡️ 75-day returns — significantly longer than OMTech's direct return window. Enough time to set up the workstation, develop your MOPA color marking and deep engraving parameters for your specific materials, run real production batches across both field lenses, and confirm the 100W configuration is the right investment before you're committed
- 🇺🇸 Expert USA-based technical support — our team understands MOPA fiber laser operation at the 100W level and can help with EzCad2 and LightBurn setup, color marking parameter development, field lens selection, foot switch integration, and any production issues
- 📞 Dual lines of support — phone and email, so when production is running and something needs attention, you have a direct path to a real person
- 🔧 Straight configuration guidance — 60W Split or 100W Split? Not sure if 100W output is justified for your current production volume and materials? Talk to us before ordering. We'll give you an honest recommendation based on what you actually mark
Frequently Asked Questions About OMTech MOPA 100W Split Fiber Laser Engraver
Q: What is the most significant practical upgrade from the 60W MOPA Split to the 100W?
A: Three specific capabilities change. First, marking depth: the 100W reaches 0.15mm maximum versus 0.1mm at 60W — meaningful for applications where mark permanence and engraving depth are specifications, not preferences. Second, color marking quality: at 100W, the MOPA color spectrum on stainless steel and titanium achieves more vivid saturation and more consistent results across production batches. Third, operating headroom: the 100W completes at 60–70% output what the 60W requires 80–90% output to achieve — maintaining consistent results across a full production day rather than drifting as the source heats up.
Q: Why does this machine come with two field lenses?
A: The two field lenses — 4.3" × 4.3" and 6.9" × 6.9" — serve different production purposes. The 4.3" lens concentrates 100W output into a smaller, higher-density spot for maximum precision on fine jewelry, micro-text, medical device IDs, and small detailed work. The 6.9" lens distributes the output across a larger field for batch production layouts, wider pieces, and higher-throughput marking where field coverage matters more than maximum energy density. Having both eliminates the choice between precision and production capacity — you use whichever the job requires.
Q: Does it require a water chiller?
A: No. The MOPA 100W Split is air-cooled — no water chiller, no plumbing, no coolant. For a production machine at this power level, air cooling is a significant operational simplicity advantage. Plug into standard power and it's ready to run.
Q: What is the difference between MOPA and a standard galvo fiber laser?
A: Standard Q-switched galvo fiber lasers mark metal in black — fast, precise, and cost-effective for serial numbers and logos, but limited to that single marking mode. MOPA adds adjustable pulse width and frequency, enabling: full color marking on stainless steel and titanium, clean dark marking on anodized aluminum without layer damage, gentle marking on sensitive plastics, and more aggressive depth engraving. If any of these applications are part of your business, MOPA is the required technology.
Q: What does the foot switch do?
A: The included foot switch triggers the marking job hands-free — step on the pedal to fire the laser, keeping both hands on the parts. For batch production where the operator is continuously loading, positioning, and marking pieces, hands-free triggering eliminates the reach-and-click interruption between cycles and meaningfully improves throughput per hour.
Q: Can I engrave cylindrical objects?
A: Yes, with a compatible rotary axis attachment (optional add-on). The rotary enables marking on rings, bracelets, pens, tumblers, and cylindrical components. Contact our team for guidance on which rotary configuration fits your specific piece range.
Q: Is it compatible with macOS?
A: Yes via LightBurn galvo mode, which runs natively on macOS. EzCad2 requires Windows. For Mac-based operators, LightBurn is the recommended primary interface with no workarounds required. Add LightBurn as a bundle option at checkout.
Q: What is the positioning accuracy?
A: ±0.1 micrometer positioning accuracy — a sub-micron specification that enables fine-feature marking, very small QR codes and Data Matrix codes, and detailed artwork with the edge definition that demanding applications require.
Q: What is the warranty?
A: 2-year warranty on the complete machine, including the JPT MOPA laser source. The source is rated at 100,000 hours MTTF — approximately 50 years at 8 hours daily use.
Q: Why buy from The Maker's Chest instead of directly from OMTech?
A: Our 75-day return window gives you real production evaluation time — significantly more than OMTech's direct policy — enough to run the 100W through your actual production materials at your actual batch volumes, develop your MOPA parameter library, and confirm it delivers before you're locked in. Our USA-based expert support team is reachable by phone and email for EzCad2 and LightBurn setup, MOPA color marking guidance, field lens selection, and ongoing production troubleshooting. If you're choosing between the 60W and 100W configurations, we'll give you a straight recommendation before you order.
