The green laser increases the optical absorption of the blue illuminating laser beam, creating a matching region in the illuminating light and creating a darker area that appears as a shadow of ...
in Tokyo, Japan. Of these processes cutting demands the most power – usually a beam of more than 1 kW. “Laser diodes, and solid, or fibre, lasers are the main technologies used in ...
Two workers were killed and three others were injured, including one who remains in a coma, after a massive steel beam fell in a high-rise building under construction near Tokyo Station on Sept.
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