title: Direct measurement of the accuracy of CO(2)laser alignment on target.
abstract: The accuracy of target alignment using the Hartmann test was measured by the glass microballoon perforation (Snout) test. We find a 45-microm rms pointing error, most of which is random.
authors.forename: R F
authors.initials: RF
authors.lastname: Benjamin
authors.forename: P D
authors.initials: PD
authors.lastname: Goldstone
authors.forename: J P
authors.initials: JP
authors.lastname: Carpenter