AI Article Synopsis
- The document discusses the development and testing of a compact hyperspectral imaging spectrometer called SHIFT, which uses a multiple-image Fourier transform technique.
- It highlights the advantages of this approach over traditional Michelson interferometers, such as being insensitive to vibrations and having a small size (15x15x10 mm3).
- The text details the theory behind the spectrometer, its prototype, calibration methods, and successful validation through measurements of gas-discharge lamps and outdoor environment tests.
Article Abstract
The design and experimental demonstration of a snapshot hyperspectral imaging Fourier transform (SHIFT) spectrometer is presented. The sensor, which is based on a multiple-image FTS (MFTS), offers significant advantages over previous implementations using Michelson interferometers. Specifically, its use of birefringent interferometry creates a vibration insensitive and ultra-compact (15x15x10 mm(3)) common-path interferometer while offering rapid reconstruction rates through the graphics processing unit. The SHIFT spectrometer's theory and experimental prototype are described in detail. Included are reconstruction and spectral calibration procedures, followed by the spectrometer's validation using measurements of gas-discharge lamps. Lastly, outdoor measurements demonstrate the sensor's ability to resolve spectral signatures in typical outdoor lighting and environmental conditions.
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| http://dx.doi.org/10.1364/OE.20.017973 | DOI Listing |
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