11/2 X 2 Optical switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 5, 2001
app pub date -
Dec 19, 2000
filing date -
Jun 17, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optical switch is disclosed having 4-ports. The switch consists of a first GRIN lens having 2 ports adjacent its outwardly facing end face. A second GRIN lens is disposed to receive light from the first GRIN lens and has two ports adjacent its outer end face. In a first state, a first port from the first GRIN lens couples light with a first output port of the second GRIN lens. In a second state, a movable optical element in the form of a light transmissive element, having at least one refractive index gradient, is disposed in the path between first and second GRIN lenses, providing a connection between a port of the first GRIN lens and a second port of the second GRIN lens. Hence a 11/2.times.2 optical switch is disclosed.
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