22 December 1989 Retroreflector Field Of View Properties For Open And Solid Cube Corners
Author Affiliations +
The fields of view (effective aperture) of several types of cube corner retroreflectors; (solid circular, open circular, open hexagonal and open triangular) were experimentally measured at 6328Å. The relative return intensity of the incident beam versus horizontal yaw and vertical pitch angles are graphically presented. A polar contour map is shown for the 10 percent return intensity versus yaw angle for 360 degrees around the cube corner entrance face. Results show that the effective aperture for a solid circular cube corner is nearly uniformly circular around its face, while the open circular, hexagonal and triangular cube corners showed a strong triangularly shaped effective aperture. The field of view of the solid circular cube corner is wider than all open types, with the exception of the triangular, which extends further by 5 degrees at the triangle's vertices. All cube corners showed narrow angle two-mirror reflection peaks at field of view angles beyond that for three-mirror retroreflection. These narrow peaks were below 30 percent of the peak retroreflection return for a solid cube corner, but could equal or exceed the 100 percent retroreflection return with the open type of cube corner.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stephen F. Somerstein, Stephen F. Somerstein, Joseph Fuller, Joseph Fuller, Roger Kennedy, Roger Kennedy, } "Retroreflector Field Of View Properties For Open And Solid Cube Corners", Proc. SPIE 1168, Current Developments in Optical Engineering and Commercial Optics, (22 December 1989); doi: 10.1117/12.962980; https://doi.org/10.1117/12.962980

Back to Top