Polarizer
The formular of the polarizer computing
Parameters
Incident angle
`theta`
\(^{\circ}\)
Mirror rotate angle
`Phi`
\(^{\circ}\)
Electric field direction
`psi`
\(^{\circ}\)
phase difference
`tau`
\(^{\circ} \)
Output
`theta`
`Phi`
`psi`
`tau`
`cos Lambda`
`sqrt(1-(sin theta sin Phi)^2)`
Angle `Lambda`
Equivlent wavelength `lambda`
`lambda_e=lambda/(cos Lambda)`
Equivlent `theta_e`
`cos theta_e=(cos theta)/(cos Lambda)`
Equivlent `theta`
`xi`
`tan xi=cos theta_e tan Phi`
`E_theta`
`E_theta=sqrt((cos psi cos (tau/2))^2+(cos(2 xi+psi) sin (tau/2))^2)`
`E_phi`
`E_phi=sqrt((sin psi cos (tau/2))^2+(sin(2 xi+psi) sin (tau/2))^2)`
`delta_theta`
`delta_theta=arctan((cos(2 xi+psi) sin (tau/2))/(cos psi cos (tau/2)))`
`delta_phi`
`delta_phi=arctan((sin(2 xi+psi) sin (tau/2))/(sin psi cos (tau/2)))`
`delta`
`delta=delta_theta-delta_phi`
`gamma`
`gamma=arctan(E_phi/E_theta)`
`alpha`
`tan 2 alpha=tan 2gamma cos delta`
`beta`
`sin 2beta=sin 2gamma sin delta`