title: Speckle interferometric methods of measuring small out-of-plane displacements.
abstract: We present two new methods for measuring small out-of-plane displacement. These methods are descendents of Leendertz's method in speckle interferometry but provide fringes of good contrast.
authors.forename: R K
authors.initials: RK
authors.lastname: Mohanty
authors.forename: C
authors.initials: C
authors.lastname: Joenathan
authors.forename: R S
authors.initials: RS
authors.lastname: Sirohi