Japanese scientists develop ultra-fast laser structure technology, which can replace lithography technology to produce transistors

A new scheme of Er-doped phosphate fiber as U-band fiber laser proposed by Shanghai Institute of Optics and Mechanics

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Some of the most easily encountered problems in the use of laser cutting machines

Shanghai Institute of Optics and Mechanics introduced Mobius ring structure into fiber laser research

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Nature sub-journal: pulse laser-assisted additive manufacturing Ti-6Al-4V alloy grain refinement

Once powered on, the cutting head will always move upward, and will not stop. Switch to the manual state, and the motor can be controlled to move, and then switch to the automatic mode, and always mov

After normal connection, press the auto-focus button, and the cutting head will move upward all the time.

The cutting head does not lift up and down, but the motor has sound.

The manufacturer delivered 308nm fiber ultraviolet laser to NASA for atmospheric measurement

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Nature: Research on direct laser lithography of copper using low-cost 3D printers on flexible substrates

After cutting, it is found that the graphics in the software and the actual graphics are reversed from left to right or up to down.