QSI Laser DiodeLG UVLEDLG White LED English中文    Jan 7,2026
Is the performance of QSI laser diode stable? What are the advantages compared with domestic ones? {Longstar Technology}
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Where can laser high power diodes be used?
   16.12.2025    Source:http://www.longstartech.com.cn/

We all know that the heat of high-power laser diode is very large, but there are still many manufacturers choosing it. So do you know where it can be mainly used? Let's take a look at it together


Laser welding


Metal spot welding, seam welding, copper, aluminum, nickel and other high-reflective materials welding, battery lug welding, bus bar welding.


In particular:


Blue light with high power LD (445–455 nm) has high absorption rate for copper.


808/915/976nm LD with the highest maturity.


Laser cladding/laser quenching/surface treatment


Surface hardening, wear-resistant layer deposition, metal surface modification




Pumped fiber laser


915nm/976nm high power LD, single tube, array, optical fiber coupling module


The efficiency and life span of fiber laser depend directly on the quality of pumped LD.


Medical laser therapy


Surgical cutting, hemostasis, tumor hyperthermia


Common bands: 808nm, 980nm and 1470nm.



Medical Beauty and Physical Therapy


Hair removal, vascular therapy, skin repair


High power semiconductor laser system has been one of the mainstream schemes.


Laser high-power diode is mainly used in industrial laser processing, new energy battery manufacturing, as a pumping source of solid-state/fiber lasers, as well as medical, lighting and special equipment and other fields, and is the basic light source of modern high-power laser systems.


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