IPG Photonics [India] Pvt. Ltd. Supplies Quasi Continuous Wave - QCW Fiber Laser. IPG Photonics [India] Pvt. Ltd. Has been awarded ISO 9001:2000 certifications. IPG Photonics [India] Pvt. Ltd. Offers high-performance fiber lasers and amplifiers for diverse applications in numerous markets. Quasi Continuous Wave - QCW Fiber Laser feature peak pulse powers of 750 watts, 1,500 watts, 4,000 watts and 6,000 watts and energies from 7.5, 15, 40, 60 joules per pulse, respectively. Quasi Continuous Wave - QCW Fiber Laser offer outstanding pulse power and energy stability over the complete laser power dynamic range. It is ideal for spot welding, seam welding and drilling in the long pulse operation mode. The CW mode of operation with power up to 500 watts allows fast cutting and makes these lasers a universal tool for many other applications. The QCW fiber lasers are available for requalifying in existing lamp pumped.