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Interference Filter

Variable sheet:
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St Input     Name    Output    Unit      Comment                                
             lambda  520       nm        wavelength (mm, m, nm, )             
   5.7778E-5 d                 cm        plate spacing (cm, mm, m)             
   0         theta             degrees   incidence angle (radians, degrees)     
   3         m                           order (unitless)                       
   1.35      n                           refractive index of dielectric         
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Rule sheet.
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* m*lambda=2*d*Sqrt(n^2-sin(theta)^2)                                           
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T. C. O'Haver, Chem 623, 1994