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Fiber Laser 1500W

High Stability
Excellent Beam Quality
High Electro-optical Conversion Efficiency
Long Working Life
Maintenance Free
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The single-mode and CW Fibre laser source, the ISUN-18G, integrates the 25/400 gain fibre and long lifespan Laser Diode source, both from globally renowned suppliers. 

1500W Fiber Laser

The 15 meters optical fibre cable with 50 microns core fibres and QBH connectors are the standard configurations.



Rated Power


Central Wavelength


Working Mode


Max Modulation Frequency


Output Power Instability


Red Pointer


Fiber output interface


Output Fiber Core


Delivery Cable Length


Working Voltage (v)


Max Power Consumption


Control Type

Rs232/AD/Hyper Terminal

Power Adjusting Range(%)


Working Ambient Temp (℃)


Cooling Method

Water Cooling 25℃/>20(l/min)

Size (mm)


To enhance the compatibilities to multi-types of fiber cutting machines, ISUN-18G integrated RS232, AD Control connection interfaces.

1500W Fiber Cutting

ISUN-18G has remarkable metal cutting performance on a variety of metal materials, such as Steel, Carbon Still, Galvanized Plate and some highly reflective materials like Aluminum and Brass.

Furthermore, our 1500W fiber laser source is even able to process the non-metal materials Marble. 

The CW / Single Mode 1500W Fiber Laser, ISUN-18G has exactly the same appearance dimensions as our ISUN-12G. However, the cutting speed has a dramatic enhancement, for regular metals such as Carbon Steel and Stainless Steel, or even for high reflective materials Aluminum and Copper, up to 60%-80% for metals less than 8mm in thickness. Therefore, it is a great option for the upgrades of 1000W fiber laser cutters. 

1500W Fiber Laser



1) We adopt the output φ50 um core fiber and run the cutting test.

2) We applied the Raytools cutting head with an optical ratio of 100/125. (collimation/focal length of the  focusing mirror)

3) Cutting auxiliary gas: liquid oxygen (purity 99.5%) liquid nitrogen (purity 99.99%)

4) Due to different working environments, different gas purity and different loss degree of cutting head or gas nozzle, this performance table is only for reference.