I talked to a company that did this kind of work, and they used tiny MEMS mirrors made of gold plated silicon. They wouldn't tell me much about their customers

I talked to a company that did this kind of work, and they used tiny MEMS mirrors made of gold plated silicon. They wouldn't tell me much about their customers, but they specialized in switching and splitting high speed data at the physical layer. http://www.glimmerglass.com/solutions/cyber-security-and-lawful-interception/ http://www.glimmerglass.com/solutions/cyber-security-and-law...