Roadmap on digital holography [Invited]

Area of Science:

• Optics and Photonics
• Digital Imaging
• Biomedical Engineering

Background:

• Digital holography is a rapidly advancing field with diverse applications.
• Expert consensus is crucial for charting future research directions.

Purpose of the Study:

• To provide a comprehensive overview of current research in digital holography.
• To outline the future vision, progress, and challenges in the field.
• To consolidate insights from 25 leading experts in digital holography.

Main Methods:

• A compilation of 25 expert-authored sections.
• Review of diverse research areas including sensing, 3D imaging, microscopy, and cell analysis.
• Synthesis of expert perspectives on progress, impact, and challenges.

Main Results:

• Detailed insights into digital holography's role in sensing, 3D imaging, and displays.
• Exploration of applications in virtual and augmented reality, and advanced microscopy.
• Coverage of cell identification, tomography, and label-free live cell imaging.

Conclusions:

• Digital holography is a versatile technology with significant potential across multiple scientific and technological domains.
• The field faces challenges that require continued innovation and research.
• This roadmap provides a vision for the future development and application of digital holography.