title: Modified electronic speckle pattern interferometer employing an off-axis reference beam.
abstract: A new arrangment for an electronic speckle pattern interferometer is reported in which an off-axis reference beam is used, thereby eliminating alignment problems.
authors.forename: C
authors.initials: C
authors.lastname: Joenathan
authors.forename: R
authors.initials: R
authors.lastname: Torroba