Answers to fundamental questions in superresolution microscopy

Area of Science:

• Optical Microscopy
• Biophysics
• Superresolution Imaging

Background:

• The editorial of the collection 'Super-resolution structured illumination microscopy (part 1)' raised key questions regarding superresolution and SIM.
• Understanding the fundamental principles and classifications of superresolution techniques is crucial for advancing light microscopy.
• Structured illumination microscopy (SIM) represents a significant advancement in achieving superresolution.

Purpose of the Study:

• To provide answers and personal insights into superresolution (SR) and structured illumination microscopy (SIM).
• To define superresolution and discuss Abbe's resolution limit in the context of modern microscopy.
• To categorize SR methods and explore the capabilities and technical aspects of SIM.

Main Methods:

• Conceptual discussion and reasoning based on personal views on superresolution in light microscopy.
• Classification of superresolution methods into nonlinear-, prior knowledge-, and near-field-based approaches.
• Analysis of the capabilities and technical aspects of current and future SIM methods.

Main Results:

• Provides a clear definition of superresolution in light microscopy.
• Explains Abbe's resolution limit and its relevance to superresolution techniques.
• Categorizes superresolution methods and details the advancements and future potential of SIM.

Conclusions:

• Offers a comprehensive overview of superresolution microscopy, addressing fundamental questions.
• Highlights the importance and technical evolution of structured illumination microscopy (SIM).
• Contributes to the understanding of superresolution imaging within the context of the Theo Murphy meeting issue.