Methods and systems of holographic interferometry
AssigneeRD Synergy Ltd.
InventorDov Furman
Life of this patent
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Abstract
A holographic interferometer, comprising: an imaging device capturing an interference pattern created by at least two polarized light beams; a structured phase retardation element located in an optical path of at least one polarized light beam of the at least two polarized light beams; and a polarizer located between the imaging device and the structured phase retardation element, the polarizer projects each polarization of each of the at least two polarized light beams on a single axis to create the interference pattern on the imaging device.
Claims15
A holographic interferometer, comprising:
- an imaging device capturing an interference pattern created by at least two polarized light beams;
- a structured phase retardation element located in an optical path of at least one polarized light beam of the at least two polarized light beams;
- a polarizer located between the imaging device and the structured phase retardation element, the polarizer projects each polarization of each of the at least two polarized light beams on a single axis to create the interference pattern on the imaging device;
- and
- at least one half-wavelength waveplate placed in a path of each of the at least two polarized light beams;
- wherein the at least one half-wavelength waveplate includes a waveplate disk positioned inside a waveplate ring.
A method of setting a holographic interferometer, comprising:
- positioning an imaging device for capturing an interference pattern created by at least two polarized light beams;
- positioning a structured phase retardation element in an optical path of at least one polarized light beam of the at least two polarized light beams;
- positioning a polarizer in front of the imaging device, so the polarizer projects the polarizations of the at least two polarized light beams on a single axis;
- and
- positioning at least one half-wavelength waveplate that includes a waveplate disk inside a waveplate ring in an optical path of a polarized light source from which the at least one polarized light beam is originated.
Dependencies are inferred from the claim text.