Miniature color camera via flat hybrid meta-optics
The race for miniature color cameras using flat meta-optics has rapidly developed the end-to-
end design framework using neural networks. Although a large body of work has shown the …
end design framework using neural networks. Although a large body of work has shown the …
Hybrid diffractive optics design via hardware-in-the-loop methodology for achromatic extended-depth-of-field imaging
End-to-end optimization of diffractive optical elements (DOEs) profile through a digital
differentiable model combined with computational imaging have gained an increasing …
differentiable model combined with computational imaging have gained an increasing …
Learning optimal wavefront shaping for multi-channel imaging
Fast acquisition of depth information is crucial for accurate 3D tracking of moving objects.
Snapshot depth sensing can be achieved by wavefront coding, in which the point-spread …
Snapshot depth sensing can be achieved by wavefront coding, in which the point-spread …
End-to-end sensor and neural network design using differential ray tracing
A Halé, P Trouvé-Peloux, JB Volatier - Optics express, 2021 - opg.optica.org
In this paper we propose a new method to jointly design a sensor and its neural-network
based processing. Using a differential ray tracing (DRT) model, we simulate the sensor point …
based processing. Using a differential ray tracing (DRT) model, we simulate the sensor point …
Power-balanced hybrid optics boosted design for achromatic extended depth-of-field imaging via optimized mixed OTF
A power-balanced hybrid optical imaging system has a diffractive computational camera,
introduced in this paper, with image formation by a refractive lens and multilevel phase mask …
introduced in this paper, with image formation by a refractive lens and multilevel phase mask …
A drop-in, focus-extending phase mask simplifies microscopic and microfluidic imaging systems for cost-effective point-of-care diagnostics
Microscopic imaging and imaging flow cytometry have wide potential in point-of-care
assays; however, their narrow depth of focus necessitates precise mechanical or fluidic …
assays; however, their narrow depth of focus necessitates precise mechanical or fluidic …
Optimizing sampling for surface localization in 3d-scanning microscopy
MA Burcklen, F Galland, L Le Goff - JOSA A, 2022 - opg.optica.org
3D-scanning fluorescence imaging of living tissue is in demand for less phototoxic
acquisition process. For the imaging of biological surfaces, adaptive and sparse scanning …
acquisition process. For the imaging of biological surfaces, adaptive and sparse scanning …
[HTML][HTML] Fourier series diffractive lens with extended depth of focus
Angular diffractive lenses have been proven to achieve a narrow beam waist with a long
depth of focus. We generalize these type of lenses by defining the angular distribution of the …
depth of focus. We generalize these type of lenses by defining the angular distribution of the …
Highly sensitive volumetric single-molecule imaging
Volumetric subcellular imaging has long been essential for studying structures and
dynamics in cells and tissues. However, due to limited imaging speed and depth of field, it …
dynamics in cells and tissues. However, due to limited imaging speed and depth of field, it …
On design of hybrid diffractive optics for achromatic extended depth-of-field (EDoF) RGB imaging
A hybrid imaging system is a simultaneous physical arrangement of a refractive lens and a
multilevel phase mask (MPM) as a diffractive optical element (DOE). The favorable …
multilevel phase mask (MPM) as a diffractive optical element (DOE). The favorable …