Patent ID: 11885943
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 33:
34. The meta-lens of claim 31, wherein the first nano structure of one of the nano structures and the second nano structure adjacent to the first nano structure satisfy the following equation:, (
          
            
              D
              ⁢
              
                
              
              ⁢
              11
            
            -
            
              D
              ⁢
              
                
              
              ⁢
              21
            
          
          )
        
        
          D
          ⁢
          
            
          
          ⁢
          11
        
      
      
        
          (
          
            
              N
              ⁢
              
                
              
              ⁢
              11
            
            -
            
              N
              ⁢
              
                
              
              ⁢
              21
            
          
          )
        
        
          N
          ⁢
          
            
          
          ⁢
          11
        
      
    
    ≠
    
      
        
          (
          
            
              D
              ⁢
              
                
              
              ⁢
              22
            
            -
            
              D
              ⁢
              
                
              
              ⁢
              12
            
          
          )
        
        
          D
          ⁢
          
            
          
          ⁢
          12
        
      
      
        
          (
          
            
              N
              ⁢
              
                
              
              ⁢
              22
            
            -
            
              N
              ⁢
              
                
              
              ⁢
              12
            
          
          )
        
        
          N
          ⁢
          
            
          
          ⁢
          12
        
      
    
  
  ,

where N11 is an effective refractive index of the first phase shift layer of the first nano structure, N12 is an effective refractive index of the second phase shift layer of the first nano structure, N21 is an effective refractive index of the first phase shift layer of the second nano structure, N22 is an effective refractive index of the second phase shift layer of the second nano structure, D11 is dispersion of the first phase shift layer of the first nano structure, D12 is dispersion of the second phase shift layer of the first nano structure, D21 is dispersion of the first phase shift layer of the second nano structure, and D22 is dispersion of the second phase shift layer of the second nano structure.