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Physical optics of multiaperture systems.

C B Hogge, J F Schultz, D B Mason

|June 12, 2010

Summary

This study introduces a new method for analyzing multi-aperture optical systems. The modulation transfer function approach is adapted to accurately model aberrations in these complex systems.

Area of Science:

Optical engineering
System analysis
Wave optics

Background:

Traditional optical system analysis relies on modulation transfer functions (MTFs) for modeling aberrations.
Existing MTF-based simulations are limited to single monolithic aperture systems.
Recent advancements focus on multi-aperture optical arrays for enhanced performance.

Purpose of the Study:

To develop a specialized methodology for analyzing the performance of multi-aperture optical systems.
To address unique aberrations present in array configurations, such as independent aperture piston and tilt.
To extend the successful MTF approach to coherent and partially coherent array systems.

Main Methods:

Adaptation of the modulation transfer function (MTF) approach.

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Modeling of random optical aberrations specific to multiple apertures.

Calculation of overall system performance for array configurations.

Main Results:

The developed methodology enables the study of performance in multi-aperture systems.
It accounts for aberrations not present in single-aperture systems.
Provides a framework for simulating complex optical array behaviors.

Conclusions:

The MTF-based methodology is effective for analyzing multi-aperture optical systems.
Specialized treatment is necessary for aberrations in array configurations.
This work advances the simulation capabilities for advanced optical transmitters and receivers.