Collecting solar radiation using fresnel shifting

Abstract

Solar energy is concentrated on a target by at least one group of Fresnel light-shifting devices.

1 - 3 . (canceled) 
     
     
         4 . A method for shifting solar radiation onto a solar energy receptor using a transparent substrate having Fresnel grooves selected from the category consisting of:
 at least one group of Fresnel grooves sufficiently identical within the group such that parallel waves of solar radiation are altered in direction of travel to the same extent, as a consequence of passing through that group,   at least one group of Fresnel grooves sufficiently similar within that group such that parallel waves of solar radiation passing through said group remain sufficiently parallel to each other from said group, such that the majority of the solar radiation waves interact with the solar energy receptor,   at least one group of Fresnel grooves each group focusing parallel rays of solar radiation passing through that group to form a focal area outside the domain of the solar radiation shifting group, and   Fresnel grooves focusing parallel rays of solar radiation passing through the grooves such that a focal line is formed line outside the domain of the solar radiation focusing grooves.   
     
     
         5 . The method of  claim 4  wherein solar radiation passing through the Fresnel substrate is reflected back through the substrate prior to interacting with the solar energy device. 
     
     
         6 . A solar energy concentrating apparatus comprising at least one group of Fresnel light-shifting devices.