Claims
- 1. A photographic film in which optical images of light of multiple wavelengths may be collected and stored in apparent three dimensions comprising:
- (a) Parallel plane layers consisting of a polarizing or dichroic layer, a partially transparent bead layer, a photosensitive layer, and
- (b) said bead layer being composed of beads embedded in a surrounding medium whose refractive index is different than that of said beads, and
- (c) said light having a range of wavelengths, R(.lambda.), in said surrounding medium, and
- (d) a portion of said beads having a range of diameters approximately within R(.lambda.).
- 2. The photographic film of claim 1 further comprising a second bead layer and a second photosensitive layer.
- 3. The photographic film of claim 1 wherein said surrounding medium within said bead layer is composed of a photosensitive material, and said original photosensitive layer is absent.
- 4. The photographic film of claim 3 further comprising a second photosensitive bead layer.
- 5. The photographic film of claim 1 wherein said polarizing layer comprises a metal polarizing layer.
- 6. The photographic film of claim 2 wherein said polarizing layer comprises a metal polarizing layer.
- 7. The photographic film of claim 3 wherein said polarizing layer comprises a metal polarizing layer.
- 8. The photographic film of claim 4 wherein said polarizing layer comprises a metal polarizing layer.
- 9. The photographic film of one of claims 1-8 wherein the refractive index of said surrounding medium n.sub.sm is close to one, and said beads are weakly conducting dielectric spheres, and said refractive index of said beads, n.sub.b, is different than, n.sub.sm, and the quantity, ##EQU1## approximately obeys the relation, ##EQU2## as averaged over the diameters, d, of said beads and the wavelengths, .lambda. of said light.
- 10. The photographic film of claim 9 wherein .lambda..sub.s is the smallest wavelength within, R(.lambda.), and .lambda..sub.L is the largest wavelength within R(.lambda.), and said range of diameters further includes the dimensions between 0.3.lambda..sub.s and 2.5.lambda..sub.L.
- 11. The photographic film of claim 9 wherein .lambda..sub.s is the smallest wavelength within R(.lambda.), and said range of diameters comprises those dimensions less than .lambda..sub.s and said beads are composed of electrically conducting material.
- 12. The photographic film of one of claims 1-8 wherein said bead layer comprises an optical surface area at least ten times larger than the area defined by the perimeter of the boundary of said film.
- 13. The photographic film of claim 9 wherein said bead layer comprises an optical surface area at least ten times larger than the area defined by the perimeter of the boundary of said film.
- 14. The photographic film of claim 10 wherein said bead layer comprises an optical surface area at least ten times larger than the area defined by the perimeter of the boundary of said film.
- 15. The photographic film of claim 11 wherein said bead layer comprises an optical surface area at least ten times larger than the area defined by the perimeter of the boundary of said film.
- 16. The photographic film of one of claims 1-8 wherein the average distance between said beads is at least larger than the average wavelength within R(.lambda.).
- 17. The photographic film of claim 9 wherein the average distance between said beads is at least larger than the average wavelength within, R(.lambda.).
- 18. The photographic film of claim 10 wherein the average distance between said beads is at least larger than the average wavelength within, R(.lambda.).
- 19. The photographic film of claim 11 wherein the average distance between said beads is at least larger than the average wavelength within, R(.lambda.).
- 20. The photographic film of one of claims 1-8 wherein said beads in said bead layer are arranged in an ordered array.
- 21. The photographic film of claim 9 wherein said beads in each sublayer are arranged in an ordered array.
- 22. The photographic film of claim 10 wherein said beads in each sublayer are arranged in an ordered array.
- 23. The photographic film of claim 11 wherein said beads in each sublayer are arranged in an ordered array.
- 24. The photographic film of one of claims 1-8 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range, r(.lambda.), of diameters comprising a portion of R(.lambda.) where in the sublayers combined comprise diameters of all the dimensions within R(.lambda.).
- 25. The photographic film of one of claim 9 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range, r(.lambda.), of diameters comprising a portion of R(.lambda.) where in the sublayers combined comprise diameters of all the dimensions within R(.lambda.).
- 26. The photographic film of one of claim 10 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range, r(.lambda.), of diameters comprising a portion of R(.lambda.) where in the sublayers combined comprise diameters of all the dimensions within R(.lambda.).
- 27. The photographic film of one of claim 11 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range, r(.lambda.), of diameters comprising a portion of R(.lambda.) where in the sublayers combined comprise diameters of all the dimensions within R(.lambda.).
- 28. The photographic film of claim 24 wherein the photosensitive material within each sublayer is photosensitive only to light of wavelengths within r(.lambda.).
- 29. The photographic film of claim 28 wherein said beads are arranged in an ordered array.
- 30. The photographic film of one of claims 1-8 wherein said bead layer comprises a solid continuous intrinsically diffusive layer whose refractive index is periodic over a spatial dimension, b, wherein the average value of, b, lies within the range R(.lambda.), and n.sub.1, and n.sub.2 are the minimum and maximum values of said refractive index respectively, and R(.lambda.) is the range of wavelengths of visible light in a medium of refractive index n.sub.1.
- 31. The photographic film of claim 28 wherein, n.sub.1 is close to one and, n.sub.2 and the quantity ##EQU3## obeys the relation ##EQU4## as averaged over the values of .lambda. within R(.lambda.).
- 32. The photographic film of claim 29 wherein .lambda..sub.s is the smallest wavelength within, R(.lambda.), an .lambda..sub.L is the largest wavelength with R(.lambda.), and said average value of, b, lies within a range that further includes dimensions between 0.3 .lambda..sub.s and 2.5 .lambda..sub.L.
- 33. The photographic film of one of claims 1-4 wherein said polarizing layer is replaced with a layer or multiplicity of layers which preferentially absorb transmit or reflect light with a specific orientation of electric field thus exposing said beads to light of partial polarization.
- 34. A photographic embodiment comprising the structures of claim 1, wherein said photosensitive layer comprises means for electronically or digitally recording the optical information provided by the polarized spherical resonant scattering and diffraction within said bead layer.
- 35. The photographic film of claim 34 wherein the refractive index of said surrounding medium n.sub.sm is close to one, and said beads are weakly conducting dielectric spheres, and said refractive index of said beads, n.sub.b, is different than, n.sub.sm, and the quantity, ##EQU5## approximately obeys the relation, ##EQU6## as averaged over the diameters, d, of said beads and the wavelengths, .lambda. of said light.
- 36. The photographic film of claim 35 wherein .lambda..sub.s is the smallest wavelength within, R(.lambda.), and .lambda..sub.L is the largest wavelength within R(.lambda.), and said range of diameters further includes the dimensions between 0.3.lambda..sub.S and 2.5.lambda..sub.L.
- 37. A photographic film in which optical images of light of multiple wavelengths may be collected and stored in apparent three dimensions comprising
- (a) Parallel plane layers consisting of a partially transparent bead layer and a photosensitive layer,
- (b) said bead layer being composed of beads embedded in a surrounding medium whose refractive index, n.sub.sm is different than that of said beads,
- (c) and said light having a range of wavelengths R(.lambda.), in said surrounding medium, and
- (d) a portion of said beads having a range of diameters, d, within, R(.lambda.).
- (e) said beads being composed of a dichroic material having a refractive index n.sub..perp. along its extinction axis, and a refractive index n.sub..parallel. along its transmission axis.
- 38. The photographic film of claim 37 wherein said surrounding medium within said bead layer is composed of photosensitive material.
- 39. The photographic film of claim 37 wherein said bead layer comprises an optical surface area at least ten times larger than the area defined by the perimeter of the boundary of said film.
- 40. The photographic film of claim 38 wherein said bead layer comprises an optical surface area at least ten times larger than the area defined by the perimeter of the boundary of said film.
- 41. The photographic film of claim 37 wherein the average distance between said beads is at least larger than the average wavelength within, R(.lambda.).
- 42. The photographic film of claim 36 wherein the average distance between said beads is at least larger than the average wavelength within, R(.lambda.).
- 43. The photographic film of claim 37 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range of diameters, r(.lambda.) comprising a portion of R(.lambda.), wherein the sublayers combined comprise beads with diameters which span the dimensions within R(.lambda.).
- 44. The photographic film of claim 38 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range of diameters, r(.lambda.) comprising a portion of R(.lambda.), wherein the sublayers combined comprise beads with diameters which span the dimensions within R(.lambda.).
- 45. The photographic film of claim 37 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range of diameters, r(.lambda.) comprising a portion of R(.lambda.), wherein the sublayers combined comprise beads with diameters which span the dimensions within R(.lambda.), and said beads are arranged in an ordered array.
- 46. The photographic film of claim 38 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range of diameters, r(.lambda.) comprising a portion of R(.lambda.), where the sublayers combined comprise beads with diameters which span the dimensions within R(.lambda.), and said beads are arranged in an ordered array.
- 47. The photographic film of claim 37 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range of diameters, r(.lambda.) comprising a portion of R(.lambda.), where the sublayers combined comprise beads with diameters which span the dimensions within R(.lambda.), and said beads are arranged in an ordered array, and said photosensitive material within each sublayer is photosensitive only to light whose wavelength falls within r(.lambda.).
- 48. The photographic film of claim 38 wherein said bead layer comprises a multiplicity of sublayers wherein each sublayer comprises beads with a range of diameters, r(.lambda.) comprising a portion of R(.lambda.), where the sublayers combined comprise beads with diameters which span the dimensions within R(.lambda.), and said beads are arranged in an ordered array, and said photosensitive material within each sublayer is photosensitive only to light whose wavelength falls within r(.lambda.).
- 49. The photographic film of one of claim 34-45 wherein n.sub.sm is close to one, and ##EQU7## obeys the relation ##EQU8## as averaged over the wavelengths within, R(.lambda.), and the diameters d within said bead layer.
- 50. The photographic film of claim 49 wherein .lambda..sub.s is the smallest wavelength within, R(.lambda.) and .lambda..sub.L is the largest wavelength within R(.lambda.), and said range of diameters further includes the dimensions between 0.3 .lambda..sub.s and 2.5 .lambda..sub.L.
Parent Case Info
This invention relates to capturing three dimensional information in an optical image with a new photographic embodiment or film. This is a continuation in part of application Ser. No. 08/856,451, filed May 14, 1997. The proposed invention is a different species than the above invention.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5675437 |
Hart et al. |
Oct 1997 |
|
Non-Patent Literature Citations (2)
Entry |
"Light Scattering by Small Particles", H.C. Van de Hulst New York, John Wiley & Sons, New York 1957 pp. 172-199. |
Principles of Optics, Born & Wolf Pergamon Press 1969, pp. 633-664. |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
856451 |
May 1997 |
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