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physics.optics2021★ 1 cited
Pixel-integrated thin-film filter simulation and scaling trade-offs
Thomas Goossens
Thin-film optical filters can nowadays be integrated onto pixels of commercial image sensors used for spectral imaging. A drawback of having more filters on an image sensor is a lo…
physics.optics2020
A vignetting advantage for thin-film filter arrays in hyperspectral cameras
Thomas Goossens, Bert Geelen, Andy Lambrechts +1
Vignetting in camera lenses is generally seen as something to avoid. For spectral cameras with thin-film interference filters, however, we argue that vignetting can be an advantage…
physics.optics2019★ 11 cited
Vignetted-aperture correction for spectral cameras with integrated thin-film Fabry-Pérot filters
Thomas Goossens, Bert Geelen, Andy Lambrechts +1
Spectral cameras with integrated thin-film Fabry-Pérot filters have become increasingly important in many applications. These applications often require the detection of spectral f…