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1. Research backgroundDirected energy deposition (DED), as an efficient and economical technology in the field of additive manufacturing (AM), is widely used in the manufacturing of metal materials. However, its high heating and cooling rates, as well as significant temperature gradients, often lead to rapid solidification, forming cross layer columnar grains and internal defects, seriously affect...
Recently, the reporter learned from Changguang Satellite Technology Co., Ltd. (hereinafter referred to as "Changguang Satellite") that the company used a self-developed vehicle mounted laser communication ground station to conduct satellite ground laser high-speed image transmission experiments with the onboard laser communication terminal of the "Jilin No.1" constellation MF02A04 satellite and ac...
Recently, the International Electrotechnical Commission Electronic Display Technology Committee (IEC TC110) International Standards Conference was held in Qingdao, attracting more than 120 experts, scholars, and technical representatives from around the world, including Japan, South Korea, and the United States. At the IEC TC110 conference, laser display technology has won wide recognition from in...
Snapmaker has opened pre-orders for 20W and 40W laser modules, which are significant upgrades to the modules available on existing Snapmaker machines.Snapmaker says that with the 40W module installed, you will be able to cut 15 mm basswood plywood at a time at a speed of 20 mm/SEC. With 20W, you will cut 10mm at a rate of 10mm/SEC. That's a lot more than Artisan and Snapmaker 2.0 - both are comp...
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...