Blonder, Greg2019-07-092019-07-091993-11-301990-11-05Greg Blonder. "Spherical multicomponent optical isolator." U.S. Patent 5,267,077-A.US-5267077-Ahttps://hdl.handle.net/2144/36316A spherical multicomponent optical isolator having a first spherical segment lensing region, including a base, a second spherical segment lensing region, including a base, a first polarizer attached to the base of the first segment lensing region, a second polarizer attached to the base of the second spherical segment lensing region and A Faraday rotator disposed between the first and second polarizers, wherein the combination of the first and second spherical segments, the first and second polarizers and the Faraday rotator forms the spherical optical isolator having a spherical outer surface.Patent423760