Patent ID: 7321706
Filing Date: 2008-01-22
Classification: G02B

Abstract:
1. A fiber coupler for coupling light into or out of an optical fiber comprising: (a) first and second base bodies; (b) a first holder element comprising a fiber holder for holding an optical fiber; (c) a second holder element comprising a lens holder for holding a focusing lens; wherein one of said first and second holder elements is adjustable in an axial direction and another of said first and second holder elements is adjustable in a transverse direction; wherein one of said first and second holder elements is connected to said first base body by four monolithic joints and two lever arms, said lever arms being pivotable around said monolithic joints and being arranged perpendicular to an optical axis as a parallelogram so that said holder element is adjustable in a linear manner substantially parallel to the optical axis; and wherein another of said first and second holder elements is connected to said second base body by at least one elastic monolithic joint.