title: Simulation of long distance optical propagation on a benchtop.
abstract: An optical instrument derived from two telescopes simulates long distance propagation of optical wavefronts, in short real distances. Both geometric and wave optical effects are correctly simulated. One 900:1 distance scaler is used routinely for benchtop testing and adjustment of laser leveling instruments that work at ranges of the order of a kilometer.
authors.forename: M E
authors.initials: ME
authors.lastname: Fein
authors.forename: S C
authors.initials: SC
authors.lastname: Sheng
authors.forename: M
authors.initials: M
authors.lastname: Sobottke