A system combining the concept of polarized light and the techniques of laser interferometry & electronic circuits is proposed to measure the linear speed of moving solid and also recognize the kinematic direction simultaneously in this paper. The whole system is composed of the optical system and the signal processing system. The optical system suggests a modified Michelson interferometer using polarization heterodyne interferometry to translate the linear speed and kinematic direction messages into two low frequency signals. These two signals are then processed to achieve the purposes of analyzing the speed and kinematic direction by the signal processing system.
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© 1987 Laser Institute of America.
1987
Laser Institute of America
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