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Development of Immersion Gratings to Enable a Compact Architecture for High Spectral and Spatial Resolution Imaging Project

Published by Science Mission Directorate | National Aeronautics and Space Administration | Metadata Last Checked: October 27, 2025 | Last Modified: 2025-03-31
<p> Fabricate Si immersed gratings for IR (1150 – 6500 nm) spectroscopy to support ground-based, airborne, and space-based infrared spectrometers.<br /> These devices offer substantial advantages in compactness, formatting, and efficiency over other dispersive devices and have 3.44 times the resolving power of a conventional front-surface device for a grating of a given size.<br />  </p>

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