Team creates world's first tunable-wavelength blue semiconductor laser
In a new study, researchers at Osaka University have created the world's first compact, tunable-wavelength blue semiconductor ...
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CO2 Laser: What Kind of Treatment Is Skin Resurfacing?
causing the light's wavelength peaks and troughs to line up and become a coherent, single-frequency, greatly powerful beam of light. The frequency of the beam determines what will absorb it. The CO2 ...