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We present a new concept for highly-miniaturized spectrometry based on a 5×5 array of tunable hyperchromatic microlenses (HML) which can be used for two-dimensional spatial mapping of spectral data in chemical reaction chambers. Each individual HML consists of a diffractive Fresnel lens combined with a tunable liquid microlens with high spectral dispersion as well as tunable focal length, forming...
We present hyperspectral imaging (HSI) systems based on a hyperchromatic confocal approach. Spatial filters are used to separate the spectral components of the light. The necessary multiplexing in time is realized by tuneable optics. In addition, we propose tunable systems with diffractive Alvarez-Lohmann lenses as well as fluidic micro lenses and present a demonstrator using Alvarez-Lohmann lenses...
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