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1 September 2015 Standing wave integrated Fourier transform spectrometer for imaging spectrometry in the near infrared
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Abstract
We show the miniaturization and parallelization of a scanning standing wave spectrometer with a long term goal of creating a compact imaging spectrometer. In our standing wave integrated Fourier transform spectrometer, light is injected with micro-lenses into several optical polymer waveguides. A piezo actuated mirror located at the waveguide end-facet can shift the interferogram to increase its sampling frequency. The spatial distribution of the standing wave intensity inside the waveguide is partially scattered out of the plane by a periodic metallic grating and recorded by a CCD camera. We present spectra acquisition for six adjacent waveguides simultaneously at a wavelength of 632.8 nm.
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Gaël D. Osowiecki, Mohammad Madi, Ivan Shorubalko, Irène Philipoussis, Edoardo Alberti, Toralf Scharf, and Hans Peter Herzig "Standing wave integrated Fourier transform spectrometer for imaging spectrometry in the near infrared", Proc. SPIE 9611, Imaging Spectrometry XX, 96110P (1 September 2015); https://doi.org/10.1117/12.2188170
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