QTekLaser products with model No. QT-LASR-BSHG-xxx-x-x are a series of fiber laser products, providing directly collimated narrow-linewidth laser sources at wavelengths ranging from 765 to 805 nm and at a power level up to 22 W. A smart internet-of-things (IoT)-based control system is integrated to enhance user-friendly interface. The system is packaged in a typical industrial 3U rack-mountable chassis.