50 likes | 192 Views
2 Pasco Polarizer Data, 505 nm green LED. Note COD of 0.921387 Loop-like hysteresis. 2 Pasco Polarizer Data, 505 nm green LED. Greatly improved fit by allowing for systematic angle error. Note COD of 0.999758 Loop like hysteresis gone. Simple Theory
E N D
2 Pasco Polarizer Data, 505 nm green LED Note COD of 0.921387 Loop-like hysteresis
2 Pasco Polarizer Data, 505 nm green LED Greatly improved fit by allowing for systematic angle error Note COD of 0.999758 Loop like hysteresis gone Simple Theory Ideal Polarizers, unpolarized incident light I=(I0/4)*(1+Cos(2*theta)) Non-Ideal case I=(I0/4)*((T1+T2)^2+(T1-T2)^2*Cos(2*theta)) Where T1 and T2 are the (wavelength averaged) parallel and perpendicular transmissions
3 Pasco polarizers 505 nm green LED outer polarizers crossed Note COD of 0.8586 Loop-like hysteresis
3 Pasco polarizers 505 nm green LED outer polarizers crossed Greatly improved fit by allowing for systematic angle error Note COD of 0.99747 Loop-like hysteresis gone Simple Theory Ideal Polarizers, unpolarized incident light I=(I0/16)*(1+Cos(4*theta))