Digital holography and its multidimensional imaging applications: a review.

Area of Science:

• Optics and Photonics
• Interferometry
• Digital Imaging

Background:

• Traditional imaging often requires lenses and struggles with simultaneous multidimensional data acquisition.
• Quantitative phase imaging and 3D reconstruction are crucial for many scientific fields.

Purpose of the Study:

• To review digital holographic techniques.
• To highlight recent advancements in multidimensional sensing using digital holography.
• To showcase the broad applicability of digital holography.

Main Methods:

• Digital holography as a lensless interferometric imaging technique.
• Simultaneous acquisition of multidimensional information (3D structure, dynamics, quantitative phase, wavelength, polarization).
• Single-shot holographic imaging of nonlinear and incoherent light.

Main Results:

• Digital holography can capture complex light field information without imaging lenses.
• The technique allows for simultaneous measurement of multiple parameters.
• Single-shot capabilities enable imaging of dynamic and non-linear phenomena.

Conclusions:

• Digital holography offers a powerful platform for advanced multidimensional sensing.
• Its lensless and simultaneous imaging capabilities open new avenues for scientific research and applications.
• The technique's versatility supports a wide range of applications in various scientific disciplines.