Accession Number : AD0622425

Title :   A CONCEPTUAL MODEL OF THE BACK-SCATTERED FIELD OF LASERS AND THE USE OF THAT MODEL FOR ROTATION DETECTION.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING

Personal Author(s) : Martin,Edward Phillip ; Sipes,Robert Ray

Report Date : AUG 1965

Pagination or Media Count : 80

Abstract : With the use of a laser, it is possible to measure rotation of a remote object by two techniques: Rotation can be measured by the laser back-scattered field technique and the Doppler spectrum technique. The motion of the back-scattered field was investigated and found to be related to the motion of the target surface. A surface model was developed for the explanation of all experiments performed on the back-scattered field. From preliminary work on the Doppler spectrum, two side results were obtained: (1) a method was discovered to heterodyne the Doppler signal without an external interferometer and (2) a method to measure rotation by the Staas effect (AD-608 087) was demonstrated. Work on the Doppler technique was not completed because of variations in the target speed. (Author)

Descriptors :   (*ROTATION, MEASUREMENT), (*LASERS, ELECTROMAGNETIC WAVE REFLECTIONS), DOPPLER SYSTEMS, LIGHT, SCATTERING, DIFFRACTION, VELOCITY, DETECTORS, ELECTROMAGNETIC FIELDS

Distribution Statement : APPROVED FOR PUBLIC RELEASE