Left: A double-lattice photonic crystal structure optimized for a 500 µm-diameter, 10 W PCSEL. Right: Top view of the 500 µm PCSEL mounted on its package in an upside down configuration. (Courtesy: ...
When the green laser encounters atoms along its path through the crystal, it gives the electrons in those atoms a bit of extra energy. In their high-energy state, those electrons can absorb blue light ...
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