Patent ID: 11906604
Assignee: ASOCIACIÓN CENTRO DE INVESTIGACIÓN COOPERATIVA EN NANOCIENCIAS “CIC NANOGUNE”
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 18:
19. The method according to claim 18, wherein the mathematical function for the relative change in the light intensity is derived as, Δ
    ⁢
    I
    /
    I
   
   =
   
    4
    ⁢
    
     
      
       
        B
        1
       
       ⁢
       
        sin
        2
       
       ⁢
       α
       ⁢
       
        h
        2
       
      
      +
      
       cos
       ⁢
       
        αsinα
        [
        
         
          
           
            
             
              (
              
               
                
                 B
                 1
                
                ⁢
                
                 B
                 3
                
               
               +
               
                
                 B
                 2
                
                ⁢
                
                 B
                 4
                
               
              
              )
             
             ⁢
             
              h
              3
             
            
            -
           
          
         
         
          
           
            
             (
             
              
               
                B
                1
               
               ⁢
               
                B
                4
               
              
              -
              
               
                B
                2
               
               ⁢
               
                B
                3
               
              
             
             )
            
            ⁢
            
             h
             4
            
           
          
         
        
        ]
       
      
      +
      
       
        1
        2
       
       ⁢
       
        B
        6
       
      
     
     
      
       
        (
        
         
          B
          3
          2
         
         +
         
          B
          4
          2
         
        
        )
       
       ⁢
       
        cos
        2
       
       ⁢
       α
       ⁢
       
        h
        1
       
      
      +
      
       
        sin
        2
       
       ⁢
       α
       ⁢
       
        h
        2
       
      
      +
      
       2
       ⁢
       cos
       ⁢
       
        αsinα
        ⁡
        (
        
         
          
           B
           3
          
          ⁢
          
           h
           3
          
         
         -
         
          
           B
           4
          
          ⁢
          
           h
           4
          
         
        
        )
       
      
      +
      
       
        1
        2
       
       ⁢
       
        B
        5
       
      
     
    
   
  
  ,, where

2h1=cos2(2φ−θ)+cos2(θ),2h2=sin2(2φ−θ)+sin2(θ),4h3=sin(4φ−2θ)+sin(2θ),2h4=sin(2φ−2θ).