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Mopa Laser Marking Machine

mopa

Fiber laser markers, be it pulsed or continuous wave, have prevailed in nearly all industries for marking products permanently and in high quality. The fiber lasers that are used for industrial part marking usually are either Q-switch or MOPA lasers.


What does the term MOPA mean?

The term MOPA is an abbreviation for Master Oscillator Power Amplifier. The master oscillator produces the beam while the optical amplifier is used for boosting the output power.


What are the advantages of a MOPA laser?

The light of marking lasers is generated in pulses. Generally, the pulse duration is non-adjustable. What is special about a MOPA laser is that its pulse duration is variable: Long or short pulses can be adjusted in steps between 4 and 200 ns.

Additionally, the laser parameters pulse duration, pulse frequency and pulse energy can be adjusted nearly independently of one another what results in high flexibility.


What are typical applications for a MOPA laser?

MOPA lasers (like Y.0201) are optimally suited for marking naturally and colored anodized aluminum to create black markings without damaging the surface. They are also used for high-contrast marking of various other metals (e.g. nickel alloys, steels, titanium). For example, a MOPA laser creates a wide range of reproducible annealing colors on stainless steel.


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