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Plain-English explainers, honest comparisons, material guides, and step-by-step how-tos for JPT fiber, UV, and pulse cleaning lasers. Written from real shop-floor experience shipping 200+ machines a month, not marketing copy.

Every guide in this library comes from the same engineers who configure and test the machines we sell — fiber laser engravers for metal marking and deep engraving, UV laser engravers for glass, plastic and electronics, and pulse cleaning machines for rust and coating removal. Use these articles to understand the technology before you spend a dollar, then let us point you to the right machine for your work.

Start here

New to fiber lasers? These three answer the questions most buyers ask first:

Everything in the library

Every page below is original, written for working operators: real tools, real parameters, real settings. New content is added regularly. If you want a topic covered that is not here yet, email info@jpt-laser.com and tell us what you need.

Explainer

What’s Included With Every Machine

Every galvo machine ships with two lenses, a rotary, motorized Z-axis, safety glasses and a foot pedal included — items most sellers charge extra for.

5 min read
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Buying Guide

How to Choose Fiber Laser Power: 20W to 200W

A straight guide to fiber laser wattage. What 20W, 30W, 60W, 100W and 200W actually do, why more power means speed and depth (not new materials), and which to buy.

4 min read
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Comparison

Laser Marking vs Engraving vs Etching vs Annealing

The plain-English difference between laser marking, engraving, etching and annealing — what each does to metal and why one fiber laser does all four.

4 min read
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Materials

UV Laser Marking Machine: Glass, Plastic & Ceramic

UV laser marking machines at 355 nm cold-mark glass, plastic, ceramic, PCB and heat-sensitive materials. From 5W air-cooled to 20W. DDP shipping, JPT sources.

4 min read
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Materials

Metal Engraving Machine: Fiber Laser for Metal Marking

Metal engraving machines from 20W to 350W: fiber lasers that mark and engrave steel, titanium, brass, aluminum. Color marking, deep engraving, DDP shipping.

6 min read
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Explainer

What Is a MOPA Fiber Laser? A Plain-English Guide

A MOPA fiber laser lets you adjust pulse width and frequency independently, unlocking color marking, plastic marking and annealing. Here is what that means.

5 min read
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Comparison

How to Compare Fiber Laser Marking Machines

Comparing fiber laser machines? Check the four things sellers hide: exact source model, included accessories, warranty and shipping. See how JPT compares.

4 min read
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Comparison

Which JPT Source Is in That Machine? E2 vs EM7 vs M7

A "JPT 60W" can be several genuine variants: E2, EM7 or M7. Learn the difference and always get the exact JPT source model code before you buy.

4 min read
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Buying Guide

Best Fiber Laser Engraver: How to Choose (2026)

How to choose the best fiber laser engraver: match power to your work, MOPA vs fixed-pulse, what's included, and insist on a real JPT M7/M8 source.

3 min read
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Buying Guide

Laser Cleaning Machine Cost and ROI Guide

What a laser cleaning machine really costs, how to estimate ROI, what cleaning work pays — and when a laser cleaner is NOT the right buy.

5 min read
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Materials

Laser Marking Brass and Copper: Reflective Metals

Laser marking brass and copper with a fiber laser: how to mark these reflective metals, what they are used for, and which MOPA machine handles them best.

2 min read
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Comparison

Laser Marking Plastics: Fiber vs UV

Laser marking plastics: fiber lasers mark many industrial plastics with high contrast; UV marks sensitive and clear plastics cold. See which you need.

2 min read
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Materials

Laser Engraving Gold, Silver and Precious Metals

Laser engraving gold, silver, and platinum for jewelry and hallmarking. How fiber lasers mark precious metals and which machine suits fine detail.

2 min read
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Materials

3D Laser Marking and Engraving Explained

3D laser marking explained: motorized Z, 2.5D dynamic focus, and true 3D heads for relief and curved parts. See which JPT setup you actually need.

2 min read
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Materials

Laser Engraving Anodized Aluminum: How It Works

Laser marking anodized aluminum gives crisp, permanent white or black marks without stripping the finish. See how it works and which fiber laser to use.

2 min read
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Materials

Laser Marking Titanium: Color, Specs and Machines

Laser marking titanium with a MOPA fiber laser makes permanent, repeatable color. See how it works, what it is used for, and which JPT machine to choose.

3 min read
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Comparison

Fiber vs UV vs CO2 Galvo Lasers: Which One Do You Need?

Fiber, UV and CO2 galvo lasers suit different materials: fiber for metals and color, UV for glass and plastics, CO2 for wood and acrylic. See which fits.

4 min read
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Comparison

MOPA vs Q-Switched Fiber Lasers: Which Do You Need?

MOPA vs Q-switched fiber lasers explained: MOPA adds adjustable pulse width for color on stainless, anodized aluminum and plastics. See which you need.

4 min read
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Software & Setup

How to Engrave Curved 3D Objects with a UV Laser

Step-by-step guide to engraving curved 3D objects with a UV laser: cold marking physics, Feeltek dynamic focus calibration, Fusion 360 to LenMark CAD workflow.

15 min read 6 steps
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Software & Setup

How to Focus a Fiber Laser Lens and Calibrate It in LightBurn

Step-by-step guide to fiber laser focal height, LightBurn Lens Calibration Wizard, and X/Y axis scaling. Tools, methods, and JPT machine specifics.

14 min read 5 steps
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Explainer

JPT laser source grades explained

Decode every JPT laser source model code: M7, M8, LP and UV families, the E / E2 / EM7 variants, and how to read the ID plate so you know what you are buying.

18 min read
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What you’ll find here

  • Explainers: how the technology works, in plain language. MOPA, source variants, fiber vs UV vs CO2.
  • Comparisons: honest, spec-grounded head-to-heads to help you choose, with no invented competitor numbers.
  • Material guides: marking and engraving by material: titanium, anodized aluminum, brass and copper, precious metals, plastics.
  • Buying guides: how to choose a machine, what is included, and what things actually cost.
  • How-to guides: step-by-step workflows: lens focus and LightBurn calibration, 3D UV engraving, and more.