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1. (WO2018125665) CAPTEUR D'IMAGE SENSIBLE À LA POLARISATION
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

What is claimed is:

1. A device, comprising:

a first multi-element image sensor;

a second multi-element image sensor;

a polarizing layer positioned between the first and second multi-element image sensors,

wherein a portion of light having a first polarization state incident on the device along a first direction is transmitted through the first image sensor, is transmitted through the polarizing layer, and is detected by the second image sensor, and

light having a second polarization state orthogonal to the first polarization state incident on the device along the first direction is transmitted through the first image sensor, is blocked by the polarizing layer.

2. The device of claim 1 , wherein the polarizing layer substantially reflects the light having the second polarization state and at least some of the blocked light is detected by the first image sensor.

3. The device of claim 1 , wherein each element of the first multi-element image sensor is registered to a corresponding element of the second multi-element image sensor.

4. The device of claim 1 , wherein each element of the first multi-element image sensor is laterally offset to a corresponding element of the second multi-element image sensor.

5. The device of claim 1 , wherein either or both of the first and second multielement image sensor are a complementary metal-oxide-semiconductor (CMOS) array, a photodiode array, or a charge-coupled device (CCD) array.

6. The device of claim 1 , wherein the polarizing layer is a linear polarizer having a single pass axis direction.

7. The device of claim 1 , wherein the polarizing layer is a circular polarizer.

8. The device of claim 1 , wherein the polarizing layer comprises a plurality of polarizing elements, wherein adjacent polarizing elements have their pass axes differently oriented.

9. The device of claim 8, wherein each element of the polarizing layer corresponds to an element of the first multi-element image sensor.

10. The device of claim 9, wherein the corresponding elements of the polarizing layer and the first multi-element image sensor are registered with one another.

11. The device of claim 8, wherein each element of the polarizing layer corresponds to an element of the second multi-element image sensor.

12. The device of claim 1 1 , wherein the corresponding elements of the polarizing layer and the second multi-element image sensor are registered with one another and with corresponding elements of the first multi-element image sensor.

13. The device of claim 1 , wherein the polarizing layer comprises a reflective polarizer.

14. The device of claim 1 , wherein the polarizing layer comprises an absorptive polarizer.

15. The device of claim 1 , wherein the polarizing layer comprises a polarizing metallic grating, a dielectric grating, or an air gap grating.

16. The device of claim 1 , further comprising a color filter layer comprising an array of color filter elements.

17. A system, comprising:

the device of claim 1 ; and

an electronic processing module in communication with the device, wherein during operation the device detects incident light, sends signals to the electronic processing module, and the electronic processing module determines information about an intensity of the incident light and information about a polarization of the incident light based on the signals.

18. The system of claim 17, wherein the information about the polarization of the incident light comprises a relative intensity of incident light polarized in a first direction and a second direction orthogonal to the first direction.

19. The system of claim 17, wherein information about the intensity and polarization are determined for each of a plurality of locations across the device.

20. The system of claim 17, further comprising one or more optical elements arranged to focus the incident light onto the device.

21. The system of claim 20, wherein the one or more optical elements image light onto the device.

22. A camera, comprising the system of claim 17.

23. A spectroscopic detector, comprising the system of claim 17.