Abstract

We proposed a large aperture push-broom static Fourier transform (FT) imaging spectrometer for hyper-spectral imaging. The spectroscopic system was based on the silicon-on-insulator (SOI) platform, consisting of spot size converters, a Mach–Zehnder interferometer (MZI) array, and a detector array. The arm length differences of the 201 MZI arrays are linearly varied. It is one on-chip FT spectrometer operating in a large spectral range from 1100 to 1700 nm with a resolution of 24  cm1 and small foot print (chip size: 11  mm×15  mm). The waveguide-MZI-based large aperture push-broom FT spectrometer can provide a compact solution for high spectral resolution remote sensing in both the fore-optic lens and the spectroscopic system.

© 2017 Optical Society of America

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