Compact, high performance, snapshot imaging spectrometers for environmental imaging

Tomasz S. Tkaczyk; David Alexander

doi:10.1117/12.2603950

15 November 2021 Compact, high performance, snapshot imaging spectrometers for environmental imaging

Tomasz S. Tkaczyk, David Alexander

Proceedings Volume 11914, SPIE Future Sensing Technologies 2021; 1191403 (2021) https://doi.org/10.1117/12.2603950
Event: SPIE Future Sensing Technologies, 2021, Online Only

Abstract

Here we present implementations snapshot–image reorganization/mapping techniques including IMS (Imaging Mapping Spectrometry), and high density fiber image processors. These instruments are compact, non-scanning / high speed and provide high light throughput. The general principle of these methods is based on mapping areas (pixel, lines) of the object/scene on a large format CCD/CMOS to create void regions for spectral spread and simultaneous 3D+ data acquisition. This allows for a rapid detection and/or for increased SNR. High light throughput allows imaging at ultra-short acquisitions (entire cubes) down to microsecond levels. Our newest implementations include gas detection, environmental imaging and compact UAV applications. This presentation describes advantages of IMS, and fiber based systems and compares them to other snapshot techniques (computational methods). Examples of remote sensing results are presented (vegetation/crops assessment).

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Citation Download Citation

Tomasz S. Tkaczyk and David Alexander "Compact, high performance, snapshot imaging spectrometers for environmental imaging", Proc. SPIE 11914, SPIE Future Sensing Technologies 2021, 1191403 (15 November 2021); https://doi.org/10.1117/12.2603950

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KEYWORDS

Spectrometers

Signal detection

3D acquisition

Data acquisition

Imaging systems

Unmanned aerial vehicles

Spectroscopy

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