What is a MOPA Laser Marking Machine?


The MOPA laser marking system is an advanced marking system making waves in the marking industry. They are applicable in several industries and has different advantages over conventional marking machine. This article will discuss MOPA laser technology and introduce the advantages of using one over other marking machines and their applications.


What is a MOPA Laser?

MOPA (Master Oscillator Power Amplifier) lasers use a DUV light source design, increasing their performance and cost-effectiveness. MOPA laser has a master oscillator that generates light from low energy while the power amplifier intensifies the light to reach the necessary laser power.

What Can I Engrave With A MOPA?

MOPA laser has a large range of pulse duration. As a result, they have a larger scope of material compatibility. The laser system can make high contrast and accuracy on materials such as

  • Metals: Aluminum, stainless steel, gold, brass, titanium, carbon steel, platinum, and tungsten.
  • Plastics: PC, PLA, PBT, ABS,

What Are The Advantages Of A MOPA Laser Engraving Machine?

Below are a few reasons you should consider a MOPA laser marking machine:

· Kinder to metals

MOPA lasers do not produce much heat as other laser marking machines. As a result, there is less damage to the part you are marking. Furthermore, there is a reduction in the development of rust and subsequent burning/melting of the edge area. As a result, using MOPA lasers does not compromise the product’s corrosion resistance.

Stainless steel mopa marking

· Color marking in Stainless Steel  

Color marking using a laser marking machine has been possible for a long time. However, MOPA lasers are more accurate and precise in color marking, especially in stainless steel materials

Stainless steel color marking

· Black marking of anodized aluminum

Removing the top layer of an anodized aluminum produces a faded white mark using a conventional laser marking machine. However, MOPA lasers allow you to repaint the anodized layers using its short pulse durations.

Aluminum pad black marking

· Increased precision when melting plastics

MOPA laser markers can produce clear markings on plastic parts without foaming or melting, as other machines do. As a result, the marking is of higher quality and more uniform.

plastic MOPA laser marking


Other advantages of using the marking system are increased longevity and low maintenance.

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