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9 March 2023 A novel hyperspectral camera based on a Fourier-transform approach
Marta Provera, Alex Barker, Dario Polli, Renzo Vanna, Antonio Perri, Fabrizio Preda
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Proceedings Volume PC12428, Photonic Instrumentation Engineering X; PC1242805 (2023) https://doi.org/10.1117/12.2649859
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
We present a novel hyperspectral imaging system working in the visible and in the short-wave infrared (SWIR) spectral region based on a Fourier-transform (FT) approach. The technology presents high light throughput and spatial resolution, a software adjustable spectral resolution, and a wide versatility of use. It employs a common-path interferometer, generating two replicas of the image with controllable delay and remarkable accuracy and stability. The monochromatic camera (CMOS, CCD, or InGaAs bidimensional sensor) does not require any relative movement with respect to the sample. The absence of gratings and slits guarantees an exceptional throughput that ensures high-quality data even at the lowest light dose, making this technology particularly suitable in fluorescence studies, or where low-illuminance conditions are recommended in order not to damage the samples. We will show several examples of the use in remote sensing and microscopy.
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Marta Provera, Alex Barker, Dario Polli, Renzo Vanna, Antonio Perri, and Fabrizio Preda "A novel hyperspectral camera based on a Fourier-transform approach", Proc. SPIE PC12428, Photonic Instrumentation Engineering X, PC1242805 (9 March 2023); https://doi.org/10.1117/12.2649859
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KEYWORDS
Cameras
Hyperspectral imaging
Sensors
CCD image sensors
Image segmentation
Image sensors
Imaging systems
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