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Novel method to pseudoheterodyne a polarimetric fiber optic sensor
Applied Optics
|June 18, 2010
Abstract:
The insertion of a rotating halfwave plate (RHWP) into a polarimetric fiber optic scheme is analyzed. The RHWP allows phase control of the autointerference signal and can be used to pseudoheterodyne the polarimetric setup. The scheme is applied to a polarimetric sensor of a dynamic strain and permits full recovery of the elongation signal.
