Aberration compensation for objective phase curvature in phase holographic microscopy: comment

Area of Science:

• Optics and Photonics
• Microscopy Techniques
• Digital Imaging

Background:

• Digital holographic microscopy (DHM) is a powerful technique for quantitative phase imaging.
• Seo et al. proposed a numerical correction for quadratic phase distortion in DHM.
• Accurate quantitative phase measurements are crucial for many DHM applications.

Discussion:

• The numerical correction method presented by Seo et al. may not be optimal for maintaining quantitative phase accuracy in DHM.
• This comment highlights potential limitations of the discussed numerical approach.
• Alternative methods for phase correction in DHM warrant consideration.

Key Insights:

• Telecentric imaging systems simplify numerical processing in DHM.
• Implementing telecentric systems can lead to more accurate quantitative phase measurements.
• Optimizing DHM for accuracy requires careful consideration of optical and numerical components.

Outlook:

• Further research into optimized DHM configurations is needed.
• Exploring advanced imaging systems can enhance the precision of phase retrieval.
• Standardization of methods for accurate quantitative phase imaging in DHM is beneficial.