Laser Diode Emits Deep UV Light

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Asahi Kasei Corporation succeeded in designing a laser diode that emits deep-ultraviolet light. The laser diode emits the world’s shortest lasing wavelength, at 271.8 nanometers (nm), under pulsed current injection at room temperature. Previous efforts in the development of ultraviolet laser diodes had only managed to achieve emissions down to 336 nm. Laser diodes that…

Laser Diode Emits Deep UV Light
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Asahi Kasei Corporation succeeded in designing a laser diode that emits deep-ultraviolet light. The laser diode emits the world’s shortest lasing wavelength, at 271.8 nanometers (nm), under pulsed current injection at room temperature. Previous efforts in the development of ultraviolet laser diodes had only managed to achieve emissions down to 336 nm. Laser diodes that emit short-wavelength ultraviolet light, which is called UV-C and is in the wavelength region of 200 to 280 nm, could be used for disinfection in healthcare, for treating skin conditions such as psoriasis, and for analyzing gases and DNA. The Nagoya University deep-ultraviolet laser
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