1 x 2 fiber-optic heterodyne array for laser Doppler velocimetry and angular orientation measurements.
A 1 x 2 single-mode fiber-optic heterodyne array is presented that simultaneously measures the radial and angular Doppler velocities of a target. This heterodyne array also provides an amplitude-dependent error signal suitable for angular tracking.
Mermelstein
M D
MD
Blodgett
J A
JA