Scientists have developed a new type of semiconductor laser diode that emits vertical ultraviolet (UV) B light. This breakthrough could lead to a new wave of applications for UV lasers, such as medical treatments and data storage. The research team used a combination of nanostructures and advanced epitaxial growth techniques to successfully create the new laser diode, which is capable of emitting light with a wavelength of 320 nanometers. The team believes this type of laser diode could be used for a variety of applications, including medical treatments, data storage, and environmental monitoring. The new laser diode could also be used to develop more efficient and cost-effective laser systems. This exciting breakthrough could open up a whole new world of possibilities and help to revolutionize the field of laser technology.

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source: Phys.org