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1500 W NUBURU Laser for material processing at 450 nm View larger

1500 W NUBURU Laser for material processing at 450 nm

Reference: NUB-AI1500

A revolution in material processing: the spatter-free blue diode laser with 1500 W and excellent brightness for laserscanner usage. Particularly for non-ferrous metal treatment, like copper laser welding or even gold laser welding.

Pascal Thuilliez
Sales & Marketing
+33 5 57 10 92 85
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Product description

High Power Blue Lasers AI-1500

The 450 nm laser AI-1500 is a water-cooled diode laser with 1500 W output power. The diodes are coupled into a 100 µm fiber with a QBH termination. The laser operates in cw mode and can also be modulated with up to 5 kHz. Especially suitable for battery production and othe copper welding applications with lasers.

Properties of the blue AO/AI series

This new generation of blue laser diodes was developed for micro and macro material processing of copper and its alloys as well as for nobel metals. Several high reflective metals have a limited absorbtion in the IR and the green wavelength. In this spectral width the blue wavelength has significant advantages.

By a microscopic and macroscopic inspection of the welding spot the homogeneous liquid phase of the weld pool shows a more wax-like behaviour than the common well known one of metals.


In all types of welding, a possible spatter-free machining process is of great importance. This applies to the actual welding as well as LMD welding and drilling already with a power from 150 W for the NUBURU AO-150. With the 1.500 W version, significantly higher welding depths are achievable and thanks to the beam parameter product of <11 mm * mrad, they can be called unique in the market because of the possibility to use a scanner.

AI-1500 Optical Specifications


Wavelength (in nm)


Bandwidth (in nm)


Output Power (in W)


Power Adjustment (in %)

0 - 100

Power Stability (in %)

< 3

Modulation up to (in Hz)


Fiber Numerical Aperture (in NA)


Beam Product Parameter BPP (in mm * mrad)

< 11

Standard Fiber Length (in m) / Core Diameter (in µm)

5 / 100

Connector Type


Advantages of High Power Blue Lasers (compared to IR lasers)

The application-oriented platform of blue high-power lasers will be changing the metal welding of non-ferrous metals, as well as the additive 
manufacturing production decisively.

  •     Significantly higher absorption: the energy transfer of blue lasers is 2 to 20 times higher as for most materials
  •     Increased throughput: blue lasers deliver 3 to 10 times faster material processing speeds
  •     Higher precision, resolution and manufacturing quality due to wavelength-dependent, improved focusability
  •     Better manufacturing quality due to spatter-free performance in material welding

Applications for the blue laser AI-1500


The advantages of the blue wavelength are especially the spatter-free welding of copper and dissimilar metals (Cu, SS, Al, Ni).

  •     micro material processing
  •     welding batterieles (i.e. foils, tabs,..)
  •     welding of electric/electronic components
  •     additive manufacturing and surface structuring

More information in the Nuburu White Paper.

Downloads - 1500 W NUBURU Laser for material processing at 450 nm

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