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Semiconductor laser pump sources, especially those with a wavelength of 969nm, have become the preferred choice for high-power/high peak energy disc lasers due to their reduced quantum losses and heat generation.The 3000W 969nm fiber coupled semiconductor laser system launched by BWT uses 800 μ m NA0.22 fiber to output flat top optical energy distribution, combining lightweight and excellent optic...
Recently, the research team of the State Key Laboratory of High-Field Laser Physics at the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences has made progress in using high-field lasers to drive the even harmonic frequency shift of single-layer MoS2. The results were published in Optics Express under the title "Frequency shift of even-order high harmonic generation...
a. b. Schematic diagram of PACTER system calibration and imaging program. BT, beam trap; DAQ, data acquisition unit; HWP, half wave plate; PBS, polarization beam splitter; ER, traverse the relay. The difference between the two modes is highlighted by a black dashed box. c. Schematic diagram of a single component ultrasonic transducer manufactured on ER. d. The ultrasound transducer detected 1D P...
Van's Aircraft has responded to reports of ruptured dented parts found in AirVenture's latest kit. These defects are caused by external suppliers changing the process of laser cutting parts. From February 2022 to June 2023, Van's moved some parts from traditional punch manufacturing to an outside supplier that can laser cut rivet holes. The move is designed to increase the company's throughput and...
A game museum has 3D printed a replica of a historic arcade computer space. The arcade museum in Stroud, Gloucestershire lacks the first commercial arcade video game. They collaborated with Heber company to create a real replica. Neil Thomas, the director of the arcade museum, said that because it is a replica, not an original, they are not "afraid" of letting people play with it.A spokesperson...