1 1/2 x 2 optical switch

Details 1 1/2 x 2 optical switch 1 1/2 x 2 optical switch

G - Physics

02

B

G02B 26/08 (2006.01)

Patent

CA 2328705

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 1 1/2 x 2 optical switch is disclosed.

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