1978-10-18
1980-12-16
Corbin, John K.
350 9616, G02B 514
Patent
active
042393302
ABSTRACT:
A multiposition optical switch is disclosed in which two quarter-period graded refractive index (GRIN) lenses (1 and 2) having first (1.2 and 2.1) and second (1.1 and 2.2) end surfaces are supported in a structure (33 and 34) in an axially aligned fashion with their first surfaces abutting in a substantially parallel relation which permits rotating at least one lens about the common lens axis (3 and 3.1). An input fiber (10) is affixed to the second surface (1.1) of one GRIN lens at a predetermined radial offset to the common lens axis; and a multiplicity of output fibers (11-16) are affixed to the second surface (2.2) of the other lens at the same predetermined radial offset, but at a plurality of angular displacements about the common lens axis. By rotating one lens relative to the other, light from the input fiber is selectively coupled to the output fibers.
REFERENCES:
patent: 3829195 (1974-08-01), Rawson
patent: 3937557 (1976-02-01), Milton
patent: 4033669 (1977-07-01), Hanson
patent: 4134639 (1979-01-01), DiVita
Smith, "Acoustically Operated Fiber Optic Switch," IBM Tech. Discl. Bulletin, vol. 14, No. 2, Jul. 1971, p. 652.
Ishikawa et al, "Beam Splitting and Coupling Circuits Using a Selfoc Lens," 1977, Gen. Natl. Mtg. of IJECE, Mar. 1977, pp. 4-220(916).
Kobayashi et al, "Micro-Optics Devices for Branching, Coupling, . . .", Int'l Conf. on IOOFC, Tech. Digest, Jul. 1977, pp. 367-370.
Usui et al, "Three-Way Optical Directional Coupler", [Journal Unknown], Mar. 1978, p. 852.
Ashkin Arthur
Tomlinson, III Walter J.
Bell Telephone Laboratories Incorporated
Corbin John K.
Einschlag Michael B.
Lee John D.
LandOfFree
Multiple optical switch does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Multiple optical switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple optical switch will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-604371