公开(公告)号：US20080043313A1

公开(公告)日：2008-02-21

申请号：US11681098

申请日：2007-03-01

申请人： Rafi Ambar ,  Refael Dela-Pergola

发明人： Rafi Ambar ,  Refael Dela-Pergola

IPC分类号： G02B26/02

CPC分类号： G02B27/46

摘要： A spatial filter that includes multiple opaque regions and multiple transparent regions; wherein at least a pair of opaque regions out of the multiple opaque regions are much longer than a cross sectional dimension of a light beam that impinges onto the spatial filter; and wherein an axial distance between the pair of opaque regions alters as a function of a rotational angle of the spatial filter. A spatial filter that includes multiple opaque regions and multiple transparent regions; wherein multiple groups of transparent regions are substantially shaped as portions of different spirals; wherein the different spirals are characterized by different separation distances between successive spiral turnings.

摘要翻译： 空间滤波器，包括多个不透明区域和多个透明区域; 其中所述多个不透明区域中的至少一对不透明区域比照射到所述空间滤光器上的光束的横截面尺寸长得多; 并且其中所述一对不透明区域之间的轴向距离作为所述空间滤光器的旋转角度的函数而改变。 空间滤波器，包括多个不透明区域和多个透明区域; 其中多组透明区域基本上成形为不同螺旋的部分; 其中不同螺旋的特征在于连续螺旋形旋转之间的不同间隔距离。

公开(公告)号：US07924517B2

公开(公告)日：2011-04-12

申请号：US11681098

申请日：2007-03-01

申请人： Rafi Ambar ,  Refael Dela-Pergola

发明人： Rafi Ambar ,  Refael Dela-Pergola

IPC分类号： G02B5/22 ,  G02B7/00

CPC分类号： G02B27/46

摘要： A spatial filter that includes multiple opaque regions and multiple transparent regions; wherein at least a pair of opaque regions out of the multiple opaque regions are much longer than a cross sectional dimension of a light beam that impinges onto the spatial filter; and wherein an axial distance between the pair of opaque regions alters as a function of a rotational angle of the spatial filter. A spatial filter that includes multiple opaque regions and multiple transparent regions; wherein multiple groups of transparent regions are substantially shaped as portions of different spirals; wherein the different spirals are characterized by different separation distances between successive spiral turnings.

摘要翻译： 空间滤波器，包括多个不透明区域和多个透明区域; 其中所述多个不透明区域中的至少一对不透明区域比照射到所述空间滤光器上的光束的横截面尺寸长得多; 并且其中所述一对不透明区域之间的轴向距离作为所述空间滤光器的旋转角度的函数而改变。 空间滤波器，包括多个不透明区域和多个透明区域; 其中多组透明区域基本上成形为不同螺旋的部分; 其中不同螺旋的特征在于连续螺旋形旋转之间的不同间隔距离。