title: Measurement of crystal retarders.
abstract: We describe procedures for measuring retardation, the uniformity of retardation, and optical axis alignment of birefringent crystals.
authors.forename: S D
authors.initials: SD
authors.lastname: Chidester
authors.forename: J W
authors.initials: JW
authors.lastname: Harvey
authors.forename: R P
authors.initials: RP
authors.lastname: Hubbard