Visible laser radar: range tomography and angle-angle-range detection

Frederick K. Knight; David I. Klick; Danette P. Ryan-Howard; Joseph R. Theriault Jr.

doi:10.1117/12.55773

1 January 1991 Visible laser radar: range tomography and angle-angle-range detection

Frederick K. Knight, David I. Klick, Danette P. Ryan-Howard, Joseph R. Theriault Jr.

Author Affiliations +

Optical Engineering, Vol. 30, Issue 1, (January 1991). https://doi.org/10.1117/12.55773

Abstract

This paper compares two detectors for visible laser radar: a 1-D detector that resolves a target in range and a 3-D detector that resolves a target in angle and range. For both, a short pulse laser illuminates the target. For both, the receiver is based on a streak camera, which detects reflected light from the illuminated target and resolves the light in time. The time resolution is 250 ps, so the target is resolved into 4 cm range cells. The 1-D detector focuses the reflected light to a point. The output is the 1 -D, range-resolved projection of the target. The 3-D detector images the target on a focal plane, which is dissected by a fiber optic image converter attached to the streak camera. The output is a 3-D image of the target. For both detectors, we show data from two simple targets. The paper also compares two methods of remote sensing using these detectors: 2-D range tomography using data from the 1-D detector and angle-angle-range imagery using the 3-D data.

Citation Download Citation

Frederick K. Knight, David I. Klick, Danette P. Ryan-Howard, and Joseph R. Theriault Jr. "Visible laser radar: range tomography and angle-angle-range detection," Optical Engineering 30(1), (1 January 1991). https://doi.org/10.1117/12.55773

Published: 1 January 1991

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