title: Two-dimensional light-distribution measurement with a 90° cornered knife edge.
abstract: An aperture-scanning technique for determining a two-dimensional light distribution is described. Results are obtained by moving a wedge-shaped, knife-edge aperture and comparing measurements from adjacent scans. The scanning procedure described herein overcomes deficiencies inherent in alternative methods that use a two-dimensional detector array or one-dimensional motion of a knife-edge aperture.
authors.forename: B J
authors.initials: BJ
authors.lastname: Pernick