Phase Modulator PLM0 pages
LASERS & MATERIAL PROCESSING I OPTICAL SYSTEMS I INDUSTRIAL METROLOGY I TRAFFIC SOLUTIONS I DEFENSE & CIVIL SYSTEMS
Phase Modulator PLM
Electro-optical light modulator based on liquid crystals
The phase modulator PLM enables a tunable phase
Dependent from the applied voltage a modulation in
retardation without mechanical moving parts.
the birefringence of the PLM can be achieved and a
phase shift between ordinary and extraordinary light ray
The basic concept is the utilisation of electrically
results.
controlled birefringence of a liquid crystal layer.
The difference in phase depends on the optical properties
of the liquid crystal, the polarization direction, and the
applied voltage.
Optoelectronic Systems
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