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1. WO2020010457 - FILTRE DE PHASE SPATIALE ET DISPOSITIF D'ÉCLAIRAGE POUR INTERROGATION PROFONDE DE MILIEUX FORTEMENT DIFFUSANTS ET LEURS UTILISATIONS

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS

1. An imaging sensing system comprising:

i) a fibre optic plate (FOP) comprising a proximal end, a distal end and a body situated between said proximal and distal ends;

ii) at least one illumination component; and

iii) an image sensor proximate said FOP.

2. The imaging sensing system of claim 1 wherein said image sensor is from about 0.6 to about 50 microns from said proximal end of said FOP.

3. The imaging sensing system of claim 1 or 2 wherein said image sensor is from about 1 to about 10 microns from said proximal end of said FOP.

4. The imaging sensing system of any one of claims 1-3, wherein said FOP further comprises at least one optical fibre having a first optical fibre end and a second optical fibre end.

5. The imaging system of claim 4 wherein said at least one optical fibre is a plurality of optical fibres arranged longitudinally along the body of said FOP allowing for transmission of an image from one end of said FOP to the other end of said FOP and to said image sensor.

6. The imaging system of claim 5 wherein said plurality of optical fibres are bundled together, forming a fibre optical bundle, such that each first end and each second end of said plurality of bundled optical fibres form a grid.

7. The imaging system of claim 6 wherein said grid is such that each end of each optical fibre is axially aligned with each adjacent optical fibre end forming a rectangular fibre optical bundle.

8. The imaging system of claim 6 wherein said grid is such that each end of each optical fibre is axially offset with each other forming a staggered fibre optical bundle.

9. The imaging system of any one of claims 1-8 wherein said illumination component is integral with the FOP.

10. The imaging system of any one of claims 1-9 wherein said illumination component is separate the FOP.

11. The imaging system of any one of claims 6-8 wherein said fibre optical bundle further comprises at least one illumination fibre.

12. The imaging system of claim 11 wherein said fibre optical bundle further comprises a plurality of illumination fibres, proximate at least one optical fibre.

13. The imaging system of claim 7 or 8, wherein said fibre optical bundle further comprises at least one illumination fibre running along a length of said FOP and proximate at least one optical fibre.

14. The imaging system of claim 13 wherein said fibre optical bundle comprises an illumination fibre running along the length of said FOP and between at least two optical fibres of said FOP.

15. The imaging system of any one of claims 11-14 wherein said illumination fibre is controllable allowing light transmission to be turned on or off.

16. The imaging system of any one of claims 1-15 wherein said FOP has a pixel size from about 1 to about 100 microns.

17. The imaging system of any one of claims 1-16 wherein said FOP has a pixel size of about 2 microns.

18. The imaging system of any one of claims 1-17 wherein said FOP has a Numerical Aperture (NA) from about 0.0001 to about 0.4.

19. The imaging system of any one of claims 1-18 wherein said FOP has a NA less than or equal to about 0.15.

20. The imaging system of any one of claims 1-19 wherein said FOP has a NA less than or equal to about 0.1.

21. The imaging system of any one of claims 1-20 wherein said FOP has a length less than about 20 mm for NA less than 0.1 microns.

22. The imaging system of any one of claims 1-20 wherein said FOP has a length of at least 20 mm with NA greater than 0.1.

23. The imaging system of any one of claims 1-22 wherein said FOP further comprises cladding.

24. The imaging system of claim 23 wherein said cladding is light absorbing cladding.

25. The imaging system of claim 24 wherein said absorbing cladding is extramural absorption cladding.

26. The imaging sensing system of any one of claims 1-25 further comprises a refractive index matching zone between said FOP and said image sensor.

27. The imaging system of claim 26 wherein said refractive index matching zone has a refractive index from about 1.4 to about 1.6.

28. The imaging system of claim 27 wherein said refractive index matching zone has a refractive index of 1.5.

29. The imaging system of any one of claims 26-28 wherein said refractive index matching zone is a refractive matching media.

30. The imaging system of claim 29 wherein said refractive matching media comprises a gel or glue.

31. The imaging system of any one of claims 1-30 wherein said image sensor is a camera.

32. The imaging system of claim 31 wherein said camera has no lens.

33. The imaging system of claim 31 wherein when said camera has a lens, said camera further comprises an infrared protective barrier between said camera and said lens.

34. The imaging system of any one of claims 1-30 wherein said image sensor has a pixel size of from 0.6 micron to about 10,000,000 microns.

35. The imaging system of claim 34 wherein said image sensor has a pixel size of about 1 micron.

36. The imaging system of any one of claims 1-30, 34 and 35 wherein said image sensor comprises a sensor type selected from Charged Coupled Device (CCD), Complementary Metal-Oxide Semiconductor (CMOS) and combinations thereof.

37. The imaging system of claim 36 wherein said sensor type is CMOS.

38. The imaging system of claim 37 wherein said sensor type is a CMOS camera.

39. The imaging system of any one of claims 1-27, 31-35 wherein said image sensor senses from the group consisting of colour, spectral band, monochrome and combinations thereof.

40. The imaging system of any one of claims 1-30, 34-39 wherein said image sensor comprises a number of pixels from about 100.

41. The imaging system of claim 40 wherein said image sensor comprises a number of pixels of from 100 to about 10,000,000.

42. The imaging system of any one of claims 1-30, 34-41 wherein said image sensor further comprises a dynamic range comprising hardware and software high dynamic range and extended dynamic range.

43. The imaging system of any one of claims 1-30, 34-42 wherein said image sensor further comprises a variable hardware pixel binning.

44. The imaging system of any one of claims 1-30, 34-43 wherein said image sensor further comprises a variable frame per second (FPS) rate greater than 0.

45. The imaging system of claim 44 wherein said FPS is about 100.

46. The imaging system of any one of claims 1-30, 34-45 wherein said image sensor further comprises chip protection selected from an infra-red fdter, protective glass and combinations thereof.

47. The imaging system of any one of claims 1-30, 34-46 wherein said image sensor comprises the image sensor and processing electronics on one printed circuit board.

48. The imaging system of any one of claims 130, 3446 wherein said image sensor comprises the image sensor segregated from a main printed circuit board.

49. The imaging system of any one of claims 148 further comprising aNA reducer, wherein said FOP has a NA greater than the NA reducer.

50. The imaging system of claim 49 wherein said NA reducer is an aperture mask.

51. The imaging system of claim 49 or 50 wherein said aperture mask is fibre optic based.

52. The imaging system of claim 49 or 50 wherein said aperture mask in non-fibre optic based.

53. The imaging system of any one of claims 49-52 wherein said FOP has a NA reducer at a proximal end.

54. The imaging system of any one of claims 49-52 wherein said FOP has a NA reducer at a distal end.

55. The imaging system of any one of claims 49-52 wherein said FOP has a NA reducer at a proximal end and a distal end.

56. The imaging system of any one of claims 1-55 wherein said lens based system further comprises at least one positionally adjustable lens and iris unit.

57. The imaging system of claim 56 wherein said lens based system comprises a plurality of positionally adjustable lens and iris units.

58. The imaging system of claim 56 or 57 wherein said iris is adjustable in size.

59. The imaging system of any one of claims 1-58 further comprising a human digit receiver.