Manufacturing Industry
Nanoscale drilling changes silicon structure to build laser.(EMERGING TECHNOLOGY)
Advanced Materials & Processes, March, 2006
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The first directly pumped silicon laser has been built by changing the structure of the silicon crystal through a novel nanoscale technique, report researchers at Brown University, Providence, R.I. The team changed the atomic structure of silicon itself by drilling billions of holes in a small piece of silicon with a nanoscale template.
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The result was weak but true laser light. However, to make the silicon laser commercially viable, it must be engineered to be more powerful and to operate at room temperature. Right now, it works at 200[degrees]C below zero (-328[degrees]F). To ...
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