title: System for precise balancing and controlled unbalancing of fiber-optic interferometers.
abstract: A system for accurate balancing and controlled unbalancing of the optical path difference in all-fiber optical interferometers is described. Interferometers with various arm lengths (1-30 m) and with initial optical path differences of as much as 1 cm have been successfully balanced within a 5-microm range. In addition, the proposed system allows for controlled unbalancing of arbitrary all-fiber optical interferometers with a precision better than 5 microm.
authors.affiliation: Faculty of Electrical Engineering and Computer Science, University of Maribor, Slovenia. irvin.sirotic@uni-mb.si
authors.forename: Irvin
authors.initials: I
authors.lastname: Sirotić
authors.forename: Denis
authors.initials: D
authors.lastname: Donlagić