Monport GA vs. GPro Fiber Laser: Which MOPA Fiber Laser is Right for You?

Monport recently launched two cutting-edge MOPA fiber lasers: the Monport GA Fiber Laser and the Monport GPro Fiber Laser. Both belong to the MOPA fiber laser category, but how do they differ, and which one suits your needs best? If you're looking for answers, you’re in the right place. In this post, we’ll break down the key features and differences between these two powerful machines, helping you choose the perfect fiber laser for your projects.

Monport GA Fiber Laser	Monport GPro Fiber Laser

What is a MOPA Fiber Laser?

Before diving into the comparison, it’s essential to understand what MOPA fiber laser technology is. MOPA stands for Master Oscillator Power-Amplifier. It uses a pulse-modulated semiconductor laser (LD) as the seed source, allowing users to adjust key output parameters like pulse width, repetition rate, and waveform.

Compared to traditional solid-state and gas lasers, MOPA fiber lasers offer numerous advantages, including:

• High conversion efficiency (over 60%)
• Low laser threshold and simple structure
• Excellent beam quality
• Multiple laser output spectral lines
• Compact size and light weight
• Longer service life and superior heat dissipation

MOPA fiber lasers are ideal for precise marking on metal and non-metal surfaces, making them a top choice for tasks like marking mobile phone back covers, blackening alumina, and coloring stainless steel.

Monport GA Fiber Laser vs. Monport Gpro Fiber Laser: Key Differences

Now, let’s dive into the specific features that set the Monport GA and Monport GPro Fiber Lasers apart.

1. Focusing Method

• Monport GA Fiber Laser: Features autofocus technology, allowing for more accurate and efficient marking. It automatically adjusts the lens position to keep the laser focused, saving time and boosting productivity. This is perfect for beginners or anyone dealing with intricate engraving.

• Monport GPro Fiber Laser: Uses manual focus, which can be advantageous in challenging environments (e.g., low light or low contrast). Manual focus gives experienced users more control in unique scenarios.

2. Laser Frequency

Higher-frequency laser pulses produce finer engraving effects. The Monport GA Fiber Laser excels in producing detailed engravings with minimal heat-affected zones, resulting in cleaner, sharper outcomes compared to the GPro under the same conditions.

3. Laser Source

Both lasers use advanced MOPA fiber laser sources, but the GA model’s laser source is engineered for better pulse shape control and peak power output, making it more versatile across a wider range of materials. The GPro also delivers stable power output and strong anti-reflection capabilities.

4. Beam Quality M2

• GA 100W: M2 value of <1.6.
• GPro 100W: M2 value of <1.8.

The lower the M2 value, the better the beam focusability. This makes the Monport GA Fiber Laser better suited for fine, detailed engraving.

5. Foot Pedal Operation

• Monport GA: Uses a convenient button for batch engraving, perfect for large production runs.

• Monport GPro: Comes with a foot pedal that allows for both batch and individual engraving.

6. Galvo Mirror

The Monport GPro Fiber Laser features a high-end Sino-Galvo SG7110 Galvanometer, offering superior stability, precision, and speed compared to standard models.

7. Portability

The Monport GA Fiber Laser is an all-in-one machine that’s easy to set up and move, while the GPro Fiber Laser has separate components, making it bulkier but still robust.

8. Engraving Range

The Monport GA Fiber Laser offers an adjustable ±90° vertical arm rotation, making it easy to engrave taller objects. The Monport GPro Fiber Laser requires manual adjustments for angle changes, which might be challenging for new users.

9. Power-On Process

• Monport GA: Quick two-step power-on process.
• Monport GPro: Slightly more complex, with an extra safety feature—an emergency stop button.

10. Electric Lifting Function

The Monport GA includes an automatic lifting feature, making autofocus even easier. The Monport GPro requires manual height adjustments.

11. Machine Footprint

Due to its all-in-one design, the Monport GA Fiber Laser takes up less space, making it ideal for compact workspaces. The Monport GPro Fiber Laser is larger but offers the same powerful functionality.

Conclusion: Which One Should You Choose?

Both the Monport GA and Monport GPro MOPA Fiber Lasers offer top-tier laser marking and engraving capabilities, but the right choice depends on your specific needs:

• Choose the Monport GA Fiber Laser if you need autofocus, portability, and a compact machine with advanced pulse control and quick setup.

• Opt for the Monport GPro Fiber Laser if you prefer manual control, high stability, and work in specialized environments.

No matter which model you choose, both deliver exceptional performance for a wide range of applications, from metal engraving to color marking on stainless steel.

Visit our website today to explore the full range of Monport MOPA fiber lasers and find the perfect solution for your needs. Shop now and start creating high-precision, custom engravings with ease!