title: Determination of refractive index of a simple negative, positive, or zero power lens using wedged plated interferometer.
abstract: Measurement of the refractive index of a simple negative lens is presented. The technique is also useful for measuring the refractive index of a simple convex and zero power lens.
authors.forename: R P
authors.initials: RP
authors.lastname: Shukla
authors.forename: G M
authors.initials: GM
authors.lastname: Perera
authors.forename: M C
authors.initials: MC
authors.lastname: George
authors.forename: P
authors.initials: P
authors.lastname: Venkateswarlu