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Us researchers report 8.1 μm wavelength quantum cascade laser (QCL) grown on silicon (Si) by MOCVD [S. Xu et al., Applications. Physics Letters, v123, p031110, 2023]. "There are no previous reports of QCL growth on silicon substrates by metal-organic chemical vapor deposition (MOCVD)," commented the team from the University of Wisconsin-Madison, the University of Illinois at Urbana-Champaign an...
The high-end laser cutting machine developed and produced by Dongying Lijin Zhancheng Laser Intelligent Manufacturing Company has become popular in overseas markets this spring. This equipment can not only use laser to quickly cut steel, but also freely swing on steel, "showing" beautiful pictures. The laser travels like a paintbrush flying, and the hard steel plate has been hollowed out into be...
Improvements in LiDAR technology will assist NASA scientists and explorers in remote sensing and measurement, surveying, 3D image scanning, hazard detection and avoidance, and navigation.Like sonar that uses light instead of sound, LiDAR technology is increasingly helping NASA scientists and explorers with remote sensing and measurement, surveying, 3D image scanning, hazard detection and avoidance...
Lithography machine is the key equipment for making high precision mask plate. Using a very fine laser beam, the highly precise line pattern is drawn on the mask substrate under the control of an extremely precise automatic control system.Laser direct writing is to use a laser beam with variable intensity to implement variable dose exposure on the resist material (photoresist) on the subst...
Recently, American fiber laser giant IPG Photonics announced the launch of a new laser series specifically designed for the additive manufacturing field.The highlight of this series of lasers lies in its integration of IPG's unique dual beam technology, which can independently regulate and simultaneously emit core and ring beams, setting a new benchmark in accuracy, efficiency, and reliability.Ba...