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

Earth observation (EO) is crucial for addressing environmental and societal challenges, but it struggles with revisit times and spatial resolution. The EU-funded SURPRISE project aims to improve EO capabilities by studying space instrumentation using compressive sensing (CS) implemented through spat...

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Bibliographic Details
Published in:Journal of imaging 2024-11, Vol.10 (11), p.282
Main Authors: Dauderstädt, Ulrike, Dürr, Peter, Kunze, Detlef, Francés González, Sara, Borrelli, Donato, Palombi, Lorenzo, Raimondi, Valentina, Wagner, Michael
Format: Article
Language:English
Subjects:
Algorithms
Arrays
Artificial satellites in remote sensing
compressive sensing
Design and construction
Earth
Equilibrium
Equipment and supplies
Fourier transforms
Infrared analysis
Light
Microelectromechanical systems
micromirror array
Optics
Scientific satellites
Sensors
spatial light modulator
Spatial light modulators
Spatial resolution
Testing
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Summary:Earth observation (EO) is crucial for addressing environmental and societal challenges, but it struggles with revisit times and spatial resolution. The EU-funded SURPRISE project aims to improve EO capabilities by studying space instrumentation using compressive sensing (CS) implemented through spatial light modulators (SLMs) based on micromirror arrays (MMAs) to improve the ground sampling distance. In the SURPRISE project, we studied the development of an MMA that meets the requirements of a CS-based geostationary instrument working in the visible (VIS) and mid-infrared (MIR) spectral ranges. This paper describes the optical simulation procedure and the results obtained for analyzing the performance of such an MMA with the goal of identifying a mirror design that would allow the device to meet the optical requirements of this specific application.
ISSN:2313-433X
2313-433X
DOI:10.3390/jimaging10110282