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23 February 2009 Micro-interferometer with high throughput for remote sensing
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We present a novel micro-interferometer implemented using arrays of single-mode planar optical waveguides. The spatial heterodyne waveguide spectrometer offers high resolution and increased optical throughput (etendue) and is compatible with a microsatellite platform. A stationary Fourier technique is employed to reconstruct the input spectrum from the array of outputs. Calibration mitigates waveguide fabrication errors and input illumination non-uniformities and can be readily implemented in the spectral retrieval algorithm. Signal to noise performance is estimated for a remote sensing application using a classical telescope front end with comparison to classical techniques.
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Alan Scott, Mirosław Florjańczyk, Pavel Cheben, Siegfried Janz, Brian Solheim, and Dan-Xia Xu "Micro-interferometer with high throughput for remote sensing", Proc. SPIE 7208, MOEMS and Miniaturized Systems VIII, 72080G (23 February 2009);

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