title: Variable optical delay line with diffraction-limited autoalignment.
abstract: We demonstrate a novel type of variable, optical delay line that ensures diffraction-limited parallelism and collinearity in the delayed beam and is independent of the mechanical quality of the translation stage.
authors.forename: P
authors.initials: P
authors.lastname: Klövekorn
authors.forename: J
authors.initials: J
authors.lastname: Munch