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Recent progress in digital holography with dynamic diffractive phase apertures [Invited].

Joseph Rosen, Nathaniel Hai, Mani Ratnam Rai

|February 24, 2022

Summary

This summary is machine-generated.

This review explores digital holography using dynamic diffractive phase apertures, highlighting Fresnel incoherent correlation holography (FINCH) and its inspired systems for advanced imaging applications.

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Area of Science:

Optics and Photonics
Digital Imaging Technologies

Background:

Digital holography records interference patterns of light waves.
Diffractive phase apertures modulate light using phase masks.
Dynamic apertures allow for adaptable holographic recording.

Purpose of the Study:

To review key advancements in digital holography with dynamic diffractive phase apertures.
To highlight the significance of Fresnel incoherent correlation holography (FINCH).
To discuss emerging related holographic techniques.

Main Methods:

Survey of digital holography techniques utilizing diffractive phase apertures.
Focus on Fresnel incoherent correlation holography (FINCH) as a foundational method.
Description of inspired systems like Fourier incoherent single-channel holography and coded aperture correlation holography.

Main Results:

FINCH is a versatile hologram recorder with a diffractive lens aperture.
FINCH enables applications in 3D imaging, microscopy, superresolution, and image processing.
FINCH has spurred the development of novel diffractive aperture-based holography systems.

Conclusions:

Dynamic diffractive phase apertures represent a significant evolution in digital holography.
FINCH serves as a crucial milestone and inspiration for subsequent techniques.
These methods offer powerful capabilities for diverse imaging challenges.