6 March 2013 Glass integrated optic Fourier transform spectrometer in the spectral bandwith 700-1000nm: process improvement
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Abstract
A leaky loop Fourier Transform spectrometer is presented in 700-1000nm spectral bandwidth. This integrated optic spectrometer is made without moveable parts. The contrast and the shape of the interferogram created at the end of the component are controlled by the gap evolution between the bend waveguide and the planar waveguide. Glass ion exchange has been chosen to obtain a high fringe contrast. A linear camera set directly at the end of the component allows interferences capture from 780nm to 850nm and the light vertical scattering due to the waveguides surface roughness is used to characterize the optical loop behavior.
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A. Creux, A. Creux, A. Morand, A. Morand, P. Benech, P. Benech, B. Martin, B. Martin, G. Grosa, G. Grosa, C. Cassagnettes, C. Cassagnettes, D. Barbier, D. Barbier, E. Le Coarer, E. Le Coarer, } "Glass integrated optic Fourier transform spectrometer in the spectral bandwith 700-1000nm: process improvement", Proc. SPIE 8627, Integrated Optics: Devices, Materials, and Technologies XVII, 86270J (6 March 2013); doi: 10.1117/12.2002998; https://doi.org/10.1117/12.2002998
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