1 February 2012 Compact static Fourier transform spectrometer in glass integrated optics in the NIR and visible domain
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Abstract
The characterization of a Leaky Loop Integrated Fourier Transform Spectrometer (LLIFTS) in integrated optics is described in the visible and the near infrared spectral domain. The device is realized using ion-exchange technology in a glass substrate. LLIFTS is compact, costless with no moveable parts. Its principle consists in a two beam interferometer in planar design using a leaky loop waveguide structure. The advantage of the design of the LLIFTS structure is to control the shape of the interference pattern in order to measure a high contrast and fringe spacing well sampled by a 2048 pixels camera directly at the output of the component. Spectral resolution of 7nm at 1500nm and 2nm at 633nm are obtained.
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A. Creux, A. Creux, A. Morand, A. Morand, P. Benech, P. Benech, B. Martin, B. Martin, G. Grosa, G. Grosa, E. Le Coarer, E. Le Coarer, P. Kern, P. Kern, } "Compact static Fourier transform spectrometer in glass integrated optics in the NIR and visible domain", Proc. SPIE 8264, Integrated Optics: Devices, Materials, and Technologies XVI, 82640S (1 February 2012); doi: 10.1117/12.908686; https://doi.org/10.1117/12.908686
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