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    • 168. 发明授权
    • Transparent layer facilitates making interference photograph, located
between reflector and photosensitive layer
    • 透明层有助于制作干涉照片,位于反光层和感光层之间
    • US5952148A
    • 1999-09-14
    • US440940
    • 1995-05-15
    • George M. Sawyer
    • George M. Sawyer
    • G03B27/54G03C1/76G03C1/765G03C1/77G03C1/805G03C1/825G03C5/04G03C5/08G03C5/10G03C7/00G03C7/14G03C9/08G03C11/12
    • G02B3/0043G02B3/0056G03C1/76G03C7/00G03C9/00Y10S430/147Y10S430/151Y10S430/162
    • The invention discloses that a photograph with a 3-dimensional image results when the non-angular reflector (of mercury) used in the Lippmann process of color photography is replaced by an angular reflector; the preferred form of the angular reflector is a retro-reflector.A photographic system is described which produces photographs with 3-dimensional images. The photo-sensitive element records the interference patterns of light waves, and the system is an improvement over the Lippmann process of color photography which produces photographs with 2-dimensional images. A photographic system is also described that produces a photograph with a 3-dimensional image from 2-dimensional cross sections of a subject; the system is useful in medical imaging. During exposure, motion of more than one wavelength of light is permissible between the subject and lens or the lens and the photo-sensitive element.These improvements result from the use of a particular type of angular reflector which is a retro-reflecting sheet. This sheet is used in place of the non-angular reflector (of liquid mercury) used in the Lippmann process. The retro-reflecting sheet is covered with small sub-reflectors that are in the form of cube corners; there are 47,000 cube corners per square inch.Improved angular reflectors are described. A diffraction grating is one of them. A way of reducing the speckle produced by a laser illuminated subject is described by the use of a moving diffuser. A transparent thermoplastic, water soluble glue is described that has a refractive index of about 1.5 and it softens at less than 200 degrees F.
    • 本发明公开了当利用Lippmann彩色摄影过程中使用的非角度反射器(汞)被角度反射器代替时,产生具有3维图像的照片; 角反射器的优选形式是后向反射器。 描述了用3维图像产生照片的摄影系统。 光敏元件记录光波的干涉图案,并且该系统是利用二维图像产生照片的彩色摄影的Lippmann过程的改进。 还描述了一种摄影系统,其产生具有来自受试者的二维横截面的三维图像的照片; 该系统在医学成像中是有用的。 在曝光期间,物体和透镜或透镜和光敏元件之间允许多于一个波长的光的运动。 这些改进是由于使用特定类型的角反射器,其是后向反射片。 该片用于替代Lippmann方法中使用的非角度反射器(液态汞)。 后反射片材覆盖有立方角形的小型反射器; 每平方英寸有47,000个立方角。 描述了改进的角度反射器。 衍射光栅是其中之一。 通过使用移动扩散器来描述减少激光照射对象产生的斑点的方法。 描述了一种透明的热塑性水溶性胶,其折射率为约1.5,并在低于200°F下软化。
    • 169. 发明授权
    • Transparent layer located between reflector and photosensitive layer, in
intereference photography
    • 位于反射镜和感光层之间的透明层,在干涉摄影中
    • US5948588A
    • 1999-09-07
    • US440941
    • 1995-05-15
    • George M. Sawyer
    • George M. Sawyer
    • G03B27/54G03C1/76G03C1/765G03C1/77G03C1/805G03C1/825G03C5/04G03C5/08G03C5/10G03C7/00G03C7/14G03C9/08G03C11/12
    • G02B3/0043G02B3/0056G03C1/76G03C7/00G03C9/00Y10S430/147Y10S430/151Y10S430/162
    • The invention discloses that a photograph with a 3-dimensional image results when the non-angular reflector (of mercury) used in the Lippmann process of color photography is replaced by an angular reflector; the preferred form of the angular reflector is a retro-reflector.A photographic system is described which produces photographs with 3-dimensional images. The photo-sensitive element records the interference patterns of light waves, and the system is an improvement over the Lippmann process of color photography which produces photographs with 2-dimensional images. A photographic system is also described that produces a photograph with a 3-dimensional image from 2-dimensional cross sections of a subject; the system is useful in medical imaging. During exposure, motion of more than one wavelength of light is permissible between the subject and lens or the lens and the photo-sensitive element.These improvements result from the use of a particular type of angular reflector which is a retro-reflecting sheet. This sheet is used in place of the non-angular reflector (of liquid mercury) used in the Lippmann process. The retro-reflecting sheet is covered with small sub-reflectors that are in the form of cube corners; there are 47,000 cube corners per square inch.Improved angular reflectors are described. A diffraction grating is one of them. A way of reducing the speckle produced by a laser illuminated subject is described by the use of a moving diffuser. A transparent thermoplastic, water soluble glue is described that has a refractive index of about 1.5 and it softens at less than 200 degrees F.
    • 本发明公开了当利用Lippmann彩色摄影过程中使用的非角度反射器(汞)被角度反射器代替时,产生具有3维图像的照片; 角反射器的优选形式是后向反射器。 描述了用3维图像产生照片的摄影系统。 光敏元件记录光波的干涉图案,并且该系统是利用二维图像产生照片的彩色摄影的Lippmann过程的改进。 还描述了一种摄影系统,其产生具有来自受试者的二维横截面的三维图像的照片; 该系统在医学成像中是有用的。 在曝光期间,物体和透镜或透镜和光敏元件之间允许多于一个波长的光的运动。 这些改进是由于使用特定类型的角反射器,其是后向反射片。 该片用于替代Lippmann方法中使用的非角度反射器(液态汞)。 后反射片材覆盖有立方角形的小型反射器; 每平方英寸有47,000个立方角。 描述了改进的角度反射器。 衍射光栅是其中之一。 通过使用移动扩散器来描述减少激光照射对象产生的斑点的方法。 描述了一种透明的热塑性水溶性胶,其折射率为约1.5,并在低于200°F下软化。