title: Subtractive Moire technique for evaluating the wedge angle of a beam splitter.
abstract: This Technical Note describes a method to measure the wedge angle of a beam splitter that relies on shear interferometry and the moire phenomenon.
authors.forename: A R
authors.initials: AR
authors.lastname: Ganesan
authors.forename: C K
authors.initials: CK
authors.lastname: Ang
authors.forename: B C
authors.initials: BC
authors.lastname: Tan
authors.forename: Y H
authors.initials: YH
authors.lastname: Chen
authors.forename: R S
authors.initials: RS
authors.lastname: Sirohi