How to choose the right laser source for your machine?

How to choose the laser source for the cutting machine? there are three popular brand laser sources in the market.

 nLIGHT, Raycus, and IPG.Raycus and IPG are for normal metal, such as carbon steel,  stainless steel, galvanized sheet .etc, not high reflective metal.
But some clients want to cut some high reflective metals, such as aluminum, copper, brass, etc. if use Raycus or IPG to cut high reflective metal, laser source will alarm,

and do harm to the laser source, because the laser beam will return back to the laser generator. 

But nLIGHT laser source, it has Back-reflection isolation, so it can not only cut carbon steel, stainless steel, galvanized sheet .etc, not high reflective metal,

and high reflective metals, such as aluminum, copper, brass, etc.

IPG is the German brand, good quality，laser power weakened slower than other brands. with high photoelectric conversion, rate，Can reach 45%, other brands are only about 25%, High market share, a certain degree of reaction to brand strength and quality.after-sale service spots all over the world, problems can be resolved in time, low failure rate, only 3%. High market share, a certain degree of reaction to brand strength and quality