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Index class apertures--a class of flexible coded aperture.
1Centre for Business and Interdisciplinary Studies, AUT University, Auckland 1142, New Zealand. kevin.byard@aut.ac.nz
Applied Optics
|June 15, 2012
Summary
New index class apertures offer improved imaging and throughput while maintaining structural rigidity. These flexible coded apertures are a versatile advancement over existing geometric and modified uniformly redundant arrays (MURAs).
Area of Science:
- Optics and Imaging
- Instrumentation
Background:
- Geometric apertures and modified uniformly redundant arrays (MURAs) are established coded aperture designs.
- Existing designs have limitations in throughput range and structural rigidity.
Purpose of the Study:
- To introduce a novel class of flexible coded apertures: index class apertures.
- To compare the performance and properties of index class apertures against geometric apertures and MURAs.
Main Methods:
- Presentation of index class aperture configurations.
- Demonstration of modified uniformly redundant arrays (MURAs) as a special case.
- Comparative analysis of throughput values and imaging capabilities.
Main Results:
- Index class apertures exhibit properties similar to geometric apertures.
- Modified uniformly redundant arrays (MURAs) are identified as a subset of index class apertures.
- Index class apertures provide a wider range of throughput values and enhanced imaging performance.
- These apertures offer superior structural rigidity compared to MURAs and uniformly redundant arrays.
Conclusions:
- Index class apertures represent a significant advancement in coded aperture technology.
- They offer a superior balance of flexibility, imaging performance, and structural integrity.
- This new class of apertures holds promise for various imaging applications.
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