Fiber-aligning optical switch
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United States of America Patent
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May 24, 2005
Grant Date -
Feb 12, 2004
app pub date -
Aug 8, 2002
filing date -
Aug 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mechanical optical switch provides an active switching mechanism and an active latching mechanism that are both actuated by piezoelectric elements. The switching mechanism includes a switching frame at which fiber ends are attached to be switched along an opposing array of fixed fiber ends. The active latching mechanism provides for a fast switching of the switching mechanism and a reliable holding of the switching positions. The elements of the switching mechanism and the latching mechanism are monolithically fabricated from a wafer. The piezoelectric elements are integrated by bonding. The switch is substantially free of gliding friction, which reduces switching forces and makes the switch highly reliable over an extended lifetime.
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