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Considerations for a Micromirror Array Optimized for Compressive Sensing (VIS to MIR) in Space Applications.

Ulrike Dauderstädt¹, Peter Dürr¹, Detlef Kunze¹

¹Fraunhofer IPMS, Maria-Reiche-Straße 2, 01109 Dresden, Germany.

Journal of Imaging

|November 26, 2024

Summary

This summary is machine-generated.

The SURPRISE project developed a micromirror array (MMA) for improved Earth observation (EO) using compressive sensing (CS). This technology enhances spatial resolution for geostationary instruments in visible and mid-infrared ranges.

Keywords:

compressive sensing micromirror array spatial light modulator

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Area of Science:

Space instrumentation and optical engineering.
Earth observation (EO) technologies.
Compressive sensing (CS) applications.

Background:

Earth observation faces limitations in revisit times and spatial resolution.
The SURPRISE project addresses these challenges by exploring advanced space instrumentation.
Micromirror arrays (MMAs) are key components for enhancing EO capabilities.

Purpose of the Study:

To investigate the development of a micromirror array (MMA) for compressive sensing (CS) in geostationary Earth observation.
To meet the optical requirements for visible (VIS) and mid-infrared (MIR) spectral ranges.
To identify an optimal mirror design for improved ground sampling distance.

Main Methods:

Optical simulations were performed to analyze MMA performance.
The study focused on spatial light modulators (SLMs) based on micromirror arrays (MMAs).
Performance analysis aimed to meet specific optical requirements for geostationary instruments.

Main Results:

The study analyzed the optical performance of a developed MMA.
Simulation results guided the identification of a suitable mirror design.
The research contributes to improving the ground sampling distance in EO.

Conclusions:

The development of MMAs is crucial for advancing CS-based Earth observation.
Optimized MMA designs can significantly enhance spatial resolution in VIS and MIR spectral ranges.
The SURPRISE project's findings support the creation of more capable geostationary EO instruments.