Researchers have shown that a new class of ultraviolet photodiode could help meet the U.S. military’s pressing requirement for compact, reliable and cost-effective sensors to detect anthrax and other bioterrorism agents in the air. “The military is currently using photomultiplier tubes, which are bulky, fragile and require a lot of power to run them, or silicon photodiodes that require a complex filter so that they only detect the desired ultraviolet light,” said Russell Dupuis. (source: gatech.edu)
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