Patent US4988154A successfully refreshed from Google Patents.
US4988154A
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Method and apparatus of producing an arcuate rainbow hologram
Assignee: Wisconsin Alumni Research Foundation
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Filing: 1988-09-16
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Granted: 1991-01-29
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Expires: 2008-09-16
Abstract
Abstract A two-dimensional, white light illuminable arcuate rainbow hologram that is potentially viewable from 360° is formed by limiting the information content of a wave front representing a reflection of monochromatic coherent light off of the object desired to be holographed. The information content is limited to a selected portion of the wave front, the selected portion passing through or upon an arcuate window which preserves the selected portion. The arcuate window is formed using an arcuate aperture, a flat arcuate master hologram, or a cylindrical shell of laser light used as a reference beam. The arcuate rainbow hologram is viewable from 360° if the arcuate window is annular, i.e. circular. If the window is a half-circle or other arc angle, the window of viewability will correspond to the angle of the arcuate window that limits the information content of the wave front representing the reflection of monochromatic coherent light off of the object to be holographed. The arcuate rainbow hologram may also be multiplexed, where the "object" is a set of two-dimensional images of a subject from different perspectives.
Inventors
- 👤 Matthew E. Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:39
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/04; G03H1/0402; G03H1/0406; G03H1/22; G03H1/24; G03H2001/0413; G03H2001/0421; G03H2001/0426; G03H2001/043; G03H1/0465; G03H2001/0471; G03H1/2249; G03H2001/2263; G03H2001/2268; G03H1/26; G03H1/268; G03H2001/269; G03H2270/00; G03H2270/20; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 73
Claim 1
Independent Claim
83 words
A method for making a hologram of an object comprising the steps of: (a) limiting the information content of a wave front of coherent light representing the object to a selected portion of the wave front the selected portion forming an arcuate window through which the selected portion is preserved and the window having a length substantially greater than its thickness; (b) deriving an information-limited image of the object from the information-limited wave front; and, (c) recording the image on an image-receiving surface.
Claim 2
Independent Claim
83 words
A method for making a hologram of an object comprising the steps of: (a) limiting the information content of a wave front of coherent light representing the object to a selected portion of the wave front the selected portion forming an arcuate window through which the selected portion is preserved and the window having a length substantially greater than its thickness; (b) deriving an information-limited image of the object from the information-limited wave front; and, (c) recording the image on an image-receiving surface.
Claim 3
Dependent Claim
15 words
The method of claim 1 wherein the window is a complete circumference of a circle.
Claim 4
Dependent Claim
14 words
The method of claim 1 wherein the window is a circumference of a half-circle.
Claim 5
Dependent Claim
37 words
The method of claim 1 wherein the information content of the wave front representing the object is limited by occluding all but the selected portion through an arcuate aperture having a length substantially greater than its thickness.
Claim 6
Dependent Claim
10 words
The method of claim 4 wherein the aperture is annular.
Claim 7
Dependent Claim
63 words
The method of claim 1 wherein the information content of the wave front representing the object is limited by the further steps of: (a) intermediately recording the wave front representing the object and a reference waveform upon an arcuate image-receiving surface to form a master and; (b) illuminating the master with an illuminating waveform to form an image that is to be recorded.
Claim 8
Dependent Claim
11 words
The method of claim 6 wherein the image-receiving surface is annular.
Claim 9
Dependent Claim
70 words
The method of claim 6 wherein the information content of the wave front representing the object is limited by the further steps of: (a) intermediately recording the wavefront representing the object and a reference waveform upon an image-receiving surface to form a master; (b) illuminating the master with an illuminating wave front to form the image that is to be recorded, the illuminating waveform being propagated in an arcuate geometry.
Claim 10
Dependent Claim
22 words
The method of claim 8 wherein the arcuate geometry of the illuminating waveform is formed by a cylindrical shell of laser light.
Claim 11
Dependent Claim
17 words
The method of claim 9 wherein the cylindrical shell of laser light is produced by an axicon.
Claim 12
Dependent Claim
10 words
The method of claim 10 wherein the aperture is annular.
Claim 13
Dependent Claim
66 words
The method of claim 1 wherein the information content of the wave front representing the object is limited by the further steps of: (a) intermediately recording the wave front representing the object and a reference waveform having an arcuate geometry upon an image-receiving surface to form a master; and (b) illuminating the master with an illuminating waveform to form an image that is to be recorded.
Claim 14
Dependent Claim
50 words
The method of claim 1 wherein the object is an opaque three-dimensional subject and wherein the formation of the wave front of coherent light representing the object is formed by the further step of illuminating the object with coherent light to create a reflection therefrom having a given information content.
Claim 15
Dependent Claim
50 words
The method of claim 1 wherein the object is a translucent three-dimensional subject and wherein the formation of the wave front of coherent light representing the object is formed by the further step of illuminating the object with coherent light to create a diffraction therefrom having a given information content.
Claim 16
Dependent Claim
74 words
The method of claim 1 wherein the object is a set of two-dimensional images and wherein the formation of the wave front of coherent light representing the object is formed by the further steps of: (a) projecting and exposing each of the images on a short arc of an image-receiving surface; and (b) rotatably stepping the image-receiving surface after projecting and exposing each of the images to create an arcuate array of two-dimensional images.
Claim 17
Dependent Claim
41 words
The method of claim 15 wherein a multiplexing aperture positioned radial to the stepping movement of the image-receiving surface is used to limit the projecting and exposing of each of the two-dimensional images to a short arc of the image-receiving surface.
Claim 18
Dependent Claim
36 words
The method of claim 15 wherein an arcuate aperture is synthesized by a lens arrangement that converges each of the two-dimensional images at approximately a focal point of the image projecting, combined with the stepping movement.
Claim 19
Dependent Claim
18 words
The method of claim 17 wherein the vertical and horizontal information of each two-dimensional image is processed independently.
Claim 20
Independent Claim
110 words
A method for making a hologram of an object comprising the steps of: (a) limiting the information content of a wave front of coherent light representing the object by occluding all but a selected portion through an arcuate aperture having a length substantially greater than its thickness; (b) forming an information-limited real image of the object from the information-limited wave front; (c) combining the information-limited real image with a reference wave front of light having a select phase relationship with the information-limited wave front to form an interference pattern; (d) positioning an image-receiving surface proximate to the information-limited real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 21
Independent Claim
110 words
A method for making a hologram of an object comprising the steps of: (a) limiting the information content of a wave front of coherent light representing the object by occluding all but a selected portion through an arcuate aperture having a length substantially greater than its thickness; (b) forming an information-limited real image of the object from the information-limited wave front; (c) combining the information-limited real image with a reference wave front of light having a select phase relationship with the information-limited wave front to form an interference pattern; (d) positioning an image-receiving surface proximate to the information-limited real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 22
Independent Claim
125 words
A method for making a hologram of an object comprising the steps of: (a) receiving a wave front representing the object on an arcuate image-receiving surface; (b) interfering a first coherent reference light having selected waveform and direction with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 23
Independent Claim
125 words
A method for making a hologram of an object comprising the steps of: (a) receiving a wave front representing the object on an arcuate image-receiving surface; (b) interfering a first coherent reference light having selected waveform and direction with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 24
Independent Claim
105 words
A method for making a hologram of an object comprising the steps of: (a) recording the wave front representing the object and a reference waveform upon an image-receiving surface to form a master; (b) illuminating the master with an illuminating wave front to form an image that is to be recorded, the illuminating wave front being propagated in an arcuate geometry; (c) combining the image with a second reference waveform having a select phase relationship with the illuminating wave front to form an interference pattern: (d) positioning an image-receiving surface proximate to the real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 25
Independent Claim
105 words
A method for making a hologram of an object comprising the steps of: (a) recording the wave front representing the object and a reference waveform upon an image-receiving surface to form a master; (b) illuminating the master with an illuminating wave front to form an image that is to be recorded, the illuminating wave front being propagated in an arcuate geometry; (c) combining the image with a second reference waveform having a select phase relationship with the illuminating wave front to form an interference pattern: (d) positioning an image-receiving surface proximate to the real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 26
Dependent Claim
20 words
The method of claim 21 wherein the arcuate geometry of the illuminated waveform is a cylindrical shell of laser light.
Claim 27
Dependent Claim
53 words
The method of claim 22 further comprising the steps of: (a) adjusting the cylindrical shell of laser light to varying radii; and (b) recording a multiple exposure upon the image-receiving surface, each of the individual exposures resulting from an interference pattern formed by a respective radius of the cylindrical shell of laser light.
Claim 28
Dependent Claim
59 words
The method of claim 22 further comprising the steps of: (a) illuminating the master with illuminating wave fronts of varying wavelengths; and (b) recording a multiple exposure upon the image-receiving surface, each of the individual exposures resulting from an interference pattern formed by a respective interference between the second reference waveform and an illuminating wavefront of a particular wavelength.
Claim 29
Dependent Claim
14 words
The method of claim 24 wherein the illumination of the master is performed simultaneously.
Claim 30
Dependent Claim
17 words
The method of claim 21 wherein the cylindrical shell of laser light is produced by an axicon.
Claim 31
Independent Claim
123 words
A method for making a hologram of an object comprising the steps of: (a) receiving a wave front representing the object on an image-receiving surface; (b) interfering a first coherent reference light having an arcuate geometry with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 32
Independent Claim
123 words
A method for making a hologram of an object comprising the steps of: (a) receiving a wave front representing the object on an image-receiving surface; (b) interfering a first coherent reference light having an arcuate geometry with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 33
Dependent Claim
123 words
Apparatus for making a hologram of an object comprising: (a) means for generating a coherent beam of light that forms a reference beam; the reference beam being directed toward an image receiving surface; (b) means for generating a wave front of coherent light representing the object to be recorded, the wave front representing the object having a given information content; (c) means for limiting the information of a wave front representing the object to a selected portion of the wave front, the means forming an arcuate window through which the selected portion is preserved and the window having a length substantially greater than its thickness; and (d) recording means that receive the reference wave front and the information-limited wave front representing the object.
Claim 34
Dependent Claim
123 words
Apparatus for making a hologram of an object comprising: (a) means for generating a coherent beam of light that forms a reference beam; the reference beam being directed toward an image receiving surface; (b) means for generating a wave front of coherent light representing the object to be recorded, the wave front representing the object having a given information content; (c) means for limiting the information of a wave front representing the object to a selected portion of the wave front, the means forming an arcuate window through which the selected portion is preserved and the window having a length substantially greater than its thickness; and (d) recording means that receive the reference wave front and the information-limited wave front representing the object.
Claim 35
Dependent Claim
15 words
The apparatus of claim 28 wherein the window is a complete circumference of a circle.
Claim 36
Dependent Claim
14 words
The apparatus of claim 28 wherein the window is a circumference of a half-circle.
Claim 37
Dependent Claim
47 words
The apparatus of claim 28 further comprising an arcuate aperture having a length substantially greater than its thickness placed in the path of the wave front representing the object so as to limit the information content of the wave front by occluding all but the selected portion.
Claim 38
Dependent Claim
10 words
The apparatus of claim 31 wherein the aperture is annular.
Claim 39
Dependent Claim
23 words
The apparatus of claim 28 wherein the image-receiving surface shaped as an arc to form a master from which the hologram is formed.
Claim 40
Dependent Claim
11 words
The apparatus of claim 33 wherein the image-receiving surface is annular.
Claim 41
Dependent Claim
24 words
The apparatus of claim 33 wherein the means for generating the wavefront of coherent light representing the object to be recorded includes an axicon.
Claim 42
Dependent Claim
101 words
A hologram of an object prepared by a process comprising the steps of: (a) illuminating the object with coherent light to create a reflection therefrom having a given information content; (b) limiting the information content of a wave front representing the reflection of the illuminated object to a selected portion of the wave front, the selected portion forming an arcuate window through which the selected portion is preserved and the window having a length substantially greater than its thickness; (c) deriving an information-limited image of the object from the information-limited wave front; and (d) recording the image on an image-receiving surface.
Claim 43
Dependent Claim
101 words
A hologram of an object prepared by a process comprising the steps of: (a) illuminating the object with coherent light to create a reflection therefrom having a given information content; (b) limiting the information content of a wave front representing the reflection of the illuminated object to a selected portion of the wave front, the selected portion forming an arcuate window through which the selected portion is preserved and the window having a length substantially greater than its thickness; (c) deriving an information-limited image of the object from the information-limited wave front; and (d) recording the image on an image-receiving surface.
Claim 44
Dependent Claim
19 words
The hologram of claim 36 prepared by a process wherein the window is a complete circumference of a circle
Claim 45
Dependent Claim
18 words
The hologram of claim 36 prepared by a process wherein the window is a circumference of a half-circle.
Claim 46
Dependent Claim
41 words
The hologram of claim 36 prepared by a process wherein the information content of the wave front representing the object is limited by occluding all but the selected portion through an arcuate aperture having a length substantially greater than its thickness.
Claim 47
Dependent Claim
14 words
The hologram of claim 39 prepared by a process wherein the aperture is annular.
Claim 48
Dependent Claim
71 words
The hologram of claim 36 prepared by a process wherein the information content of the Wave front representing the reflection of the illuminated object is limited by the further steps of: (a) intermediately recording the wave front representing the object and a reference waveform upon an arcuate image-receiving surface to form a master and; (b) illuminating the master with an illuminating waveform to form an image that is to be recorded
Claim 49
Dependent Claim
15 words
The hologram of claim 41 prepared by a process wherein the image-receiving surface is annular.
Claim 50
Dependent Claim
73 words
The hologram of claim 36 prepared by a process wherein the information content of the wave front representing the object is limited by the further steps (a) intermediately recording the wavefront representing the object and a reference waveform upon an image-receiving surface to form a master; (b) illuminating the master with an illuminating wave front to form the image that is to be recorded, the illuminating waveform being propagated in an arcuate geometry.
Claim 51
Dependent Claim
26 words
The hologram of claim 43 prepared by a process wherein the arcuate geometry of the illuminating waveform is formed by a cylindrical shell of laser light.
Claim 52
Dependent Claim
21 words
The hologram of claim 44 prepared by a process wherein the cylindrical shell of laser light is produced by an axicon.
Claim 53
Dependent Claim
66 words
The hologram of claim 36 wherein the information content of the wave front representing the object is limited b the further steps of: (a) intermediately recording the wave front representing the object and a reference waveform having an arcuate geometry upon an image-receiving surface to form a master; and (b) illuminating the master with an illuminating waveform to form an image that is to be recorded.
Claim 54
Dependent Claim
54 words
The hologram of claim 36 prepared by a process wherein the object is an opaque three-dimensional subject and wherein the formation of the wave front of coherent light representing the object is formed by the further step of illuminating the object with coherent light to create a reflection therefrom having a given information content.
Claim 55
Dependent Claim
50 words
The hologram of claim 36 wherein the object is a translucent three-dimensional subject and wherein the formation of the wave front of coherent light representing the object is formed by the further step of illuminating the object with coherent light to create a diffraction therefrom having a given information content.
Claim 56
Dependent Claim
74 words
The hologram of claim 36 wherein the object is a set of two-dimensional images and wherein the formation of the wave front of coherent light representing the object is formed by the further steps of: (a) projecting and exposing each of the images on a short arc of an image-receiving surface; and (b) rotatably stepping the image-receiving surface after projecting and exposing each of the images to create an arcuate array of two-dimensional images.
Claim 57
Dependent Claim
41 words
The hologram of claim 49 wherein a multiplexing aperture positioned radial to the stepping movement of the image-receiving surface is used to limit the projecting and exposing of each of the two-dimensional images to a short arc of the image-receiving surface.
Claim 58
Dependent Claim
36 words
The hologram of claim 49 wherein an arcuate aperture is synthesized by a lens arrangement that converges each of the two-dimensional images at approximately a focal point of the image projecting, combined with the stepping movement.
Claim 59
Dependent Claim
18 words
The hologram of claim 51 wherein the vertical and horizontal information of each two-dimensional image is processed independently.
Claim 60
Dependent Claim
110 words
A hologram of an object prepared by a process comprising the steps of: (a) limiting the information content of a wave front of coherent light representing the object by occluding all but a selected portion through an arcuate aperture having a length substantially greater than its thickness; (b) forming an information-limited real image of the object from the information-limited wave front; (c) combining the information-limited real image with a reference wave front of light having a select phase relationship with the information-limited wave front to form an interference pattern; (d) positioning an image-receiving surface proximate to the information-limited real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 61
Dependent Claim
110 words
A hologram of an object prepared by a process comprising the steps of: (a) limiting the information content of a wave front of coherent light representing the object by occluding all but a selected portion through an arcuate aperture having a length substantially greater than its thickness; (b) forming an information-limited real image of the object from the information-limited wave front; (c) combining the information-limited real image with a reference wave front of light having a select phase relationship with the information-limited wave front to form an interference pattern; (d) positioning an image-receiving surface proximate to the information-limited real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 62
Dependent Claim
14 words
The hologram of claim 53 prepared by a process wherein the aperture is annular.
Claim 63
Dependent Claim
126 words
A hologram of an object prepared by a process comprising the steps of: (a) receiving a wave front representing the object on an arcuate image-receiving surface; (b) interfering a first coherent reference light having selected waveform and direction with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; and (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 64
Dependent Claim
126 words
A hologram of an object prepared by a process comprising the steps of: (a) receiving a wave front representing the object on an arcuate image-receiving surface; (b) interfering a first coherent reference light having selected waveform and direction with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; and (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 65
Dependent Claim
105 words
A hologram of an object prepared by a process comprising the steps of: (a) recording the wave front representing the object and a reference waveform upon an image-receiving surface to form a master; (b) illuminating the master with an illuminating wave front to form an image that is to be recorded, the illuminating wave front being propagated in an arcuate geometry; (c) combining the image with a second reference waveform having a select phase relationship with the illuminating wave front to form an interference pattern; (d) positioning an image-receiving surface proximate to the real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 66
Dependent Claim
105 words
A hologram of an object prepared by a process comprising the steps of: (a) recording the wave front representing the object and a reference waveform upon an image-receiving surface to form a master; (b) illuminating the master with an illuminating wave front to form an image that is to be recorded, the illuminating wave front being propagated in an arcuate geometry; (c) combining the image with a second reference waveform having a select phase relationship with the illuminating wave front to form an interference pattern; (d) positioning an image-receiving surface proximate to the real image; and (e) recording the interference pattern on the image-receiving surface.
Claim 67
Dependent Claim
24 words
The hologram of claim 56 prepared by a process wherein the arcuate geometry of the illuminating waveform is a cylindrical shell of laser light.
Claim 68
Dependent Claim
57 words
The hologram of claim 57 prepared by a process further comprising the steps of: (a) adjusting the cylindrical shell of laser light to varying radii; and (b) recording a multiple exposure upon the image-receiving surface, each of the individual exposures resulting from an interference pattern formed by a respective radius of the cylindrical shell of laser light.
Claim 69
Dependent Claim
63 words
The hologram of claim 57 prepared by a process further comprising the steps of: (a) illuminating the master with illuminating wave fronts of varying wavelengths; and (b) recording a multiple exposure upon the image-receiving surface, each of the individual exposures resulting from an interference pattern formed by a respective interference between the second reference waveform and an illuminating wavefront of a particular wavelength.
Claim 70
Dependent Claim
18 words
The hologram of claim 59 prepared by a process wherein the illumination of the master is performed simultaneously.
Claim 71
Dependent Claim
17 words
The hologram of claim 56 wherein the cylindrical shell of laser light is produced by an axicon.
Claim 72
Dependent Claim
123 words
A hologram of an object prepared by a process comprising the steps of: (a) receiving a wave front representing the object on an image-receiving surface; (b) interfering a first coherent reference light having an arcuate geometry with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
Claim 73
Dependent Claim
123 words
A hologram of an object prepared by a process comprising the steps of: (a) receiving a wave front representing the object on an image-receiving surface; (b) interfering a first coherent reference light having an arcuate geometry with the wave front representing the object at the image-receiving surface to form a master; (c) illuminating the master with an illuminating waveform to form an image that is to be recorded; (d) receiving the information-limited image on a second image-receiving surface proximate to the information-limited real image; (e) interfering a second coherent reference light having selected form and direction with the information-limited real image at the second image receiving surface to form an information-limited holographic image; and (f) recording the interference pattern on the image-receiving surface.
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USPTO Annuity & Maintenance Windows
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| 7.5 Years (Year 8) | 1998-01-28 | 1998-07-30 | 1999-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-28 | 2002-07-30 | 2003-01-29 | $7700.00 | Window Closed / Lapsed |