Journal
OPTICS EXPRESS
Volume 27, Issue 11, Pages 15956-15967Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.015956
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Funding
- Capes [CSF-PVE-S-88881.068168/2014-01]
- Fapemig
- CNPq
- ERC PoC FLUO [825879]
- Graphene Flagship [785219 GrapheneCore 2]
- European Research Council (ERC) [825879] Funding Source: European Research Council (ERC)
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We introduce a high-performance hyperspectral camera based on the Fourier transform approach. where the two delayed images are generated by the Translating-Wedge-Based Identical Pulses eNcoding System (TWINS) [Opt. Lett. 37, 3027 (2012)], a common-path birefringent interferometer that combines compactness, intrinsic interferometric delay precision, long-term stability and insensitivity to vibrations. In our imaging system. TWINS is employed as a time-scanning interferometer and generates high-contrast interferograms at the single-pixel level. The camera exhibits high throughput and provides hyperspectral images with spectral background level of -30dB and resolution of 3 THz in the visible spectral range. We show high-quality spectral measurements of absolute reflectance, fluorescence and transmission of artistic objects with Various lateral sizes. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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