Three-q-plate stacks, when fast axes satisfy alignment conditions, act as a single effective q-plate; three of the eight Q/H combinations give continuously tunable retardance over 0 to 2π.
Gadget to realize arbitrary polarization transformation on a higher order Poincar\'e sphere
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abstract
Designing a single element for all polarization transformations on a Poincar\'e sphere is impossible due to practical limitations and hence a combination of few standard wave-plates are used to construct a gadget. With this gadget it is possible to realize a polarization transformation between any two points on the Poincar\'e sphere. There is no such gadget available to perform arbitrary polarization transformation on a higher order Poincar\'e sphere. We present one gadget here in which the nature of polarization transformations by its elements is a mixture of holonomic and non-holonomic, since the elements belong to two different polarization topological index spaces.
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physics.optics 1years
2025 1verdicts
CONDITIONAL 1roles
background 1polarities
unclear 1representative citing papers
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Mathematics of effective $q$-plate in polarization optics
Three-q-plate stacks, when fast axes satisfy alignment conditions, act as a single effective q-plate; three of the eight Q/H combinations give continuously tunable retardance over 0 to 2π.