phase plate


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phase plate

[′fāz ‚plāt]
(optics)
In a polarizing microscope, a plate of doubly refracting material that changes the relative phase of the polarized light's components.
References in periodicals archive ?
The resultant interference pattern is the composite hologram image of the spiral phase plate and has a spatial resolution on the micron scale.
The ternary optical element is designed as a five-zone annular phase plate, and the configuration of each zone is shown in Figure 2(b), where the innermost central zone (marked in black) is blocked and has zero transmission and the other four belts have alternate transmissions of -1 and +1.
Continuous phase plates (CPPs) form the vital and enabling portion of the optics chain used in these laser systems in that they make it possible to manipulate and control laser beam shapes, energy distributions, and wavefront profiles to a high degree of certainty.
Presolicitation:Volta Phase Plate Device for FEI Talos Arctica EM