Simultaneous realisation of zonal and modal wavefront sensing using programmable multiplexed grating patterns

Area of Science:

• Optical Engineering
• Wavefront Sensing Technology

Background:

• Wavefront sensing is crucial for aberration correction in optical systems.
• Existing methods often focus on either zonal or modal approaches, limiting comprehensive analysis.
• Simultaneous measurement of both aberration types is desirable for improved performance.

Purpose of the Study:

• To propose and demonstrate a programmable multiplexed grating-based wavefront sensor (MGWS).
• To achieve simultaneous zonal and modal wavefront sensing using different bit-planes of a color image.
• To enhance spatial resolution in zonal sensing and measure numerous aberration modes in modal sensing.

Main Methods:

• Implementation of a programmable multiplexed grating-based wavefront sensor (MGWS).
• Utilizing distinct bit-planes of a color image for separate sensing functionalities.
• Proof-of-concept simulations to validate the MGWS performance.

Main Results:

• Demonstrated simultaneous zonal and modal wavefront sensing capabilities.
• Achieved enhanced spatial resolution for zonal sensing.
• Successfully measured a large number of aberration modes for modal sensing.
• Simulations showed significant aberration compensation compared to independent methods.

Conclusions:

• The proposed MGWS enables simultaneous zonal and modal wavefront sensing.
• The sensor offers flexibility and potential for performance improvement by increasing bit-planes.
• This technology can significantly enhance aberration correction in optical imaging systems.