Patent ID: 11953381
Assignee: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 8:
9. The method according to claim 8, where the at least one surface area (A) is in range from, A
   =
   
    
     
      1
      10
     
     ⁢
     
      
       N
       ⁡
       (
       
        λ
        θ
       
       )
      
      2
     
     ⁢
        
     to
     ⁢
        
     A
    
    =
    
     10
     ⁢
     
      
       N
       ⁡
       (
       
        λ
        θ
       
       )
      
      2
     
    
   
  
  ,, θ being a scattering or diffracting angle of the optical mask (14), where N represents the number spectral channels and λ a central wavelength, an average wavelength or a median wavelength of the multispectral signal light beam.