Omega 10[deg/h] "Interferometer angular velocity"
lam0 632.8[nm] "Vacuum wavelength"
R 10[cm] "Ring radius"
th 3[cm] "Out-of-plane thickness"
A 0.5*(1.5*R)*(R*sqrt(3)) "Triangle area"
P 3*(R*sqrt(3)) "Triangle perimeter"
phi0 30[deg] "Initial ray angle"
xc R "Center of rotation, x-coordinate"
yc 0 "Center of rotation, y-coordinate"

wm 3[cm] "Mirror width"
hm 2[mm] "Mirror height"
xm1 xc+(R+hm/2)*sin(phi0) "Lower right mirror center, x-coordinate"
ym1 yc-(R+hm/2)*cos(phi0) "Lower right mirror center, y-coordinate"
xm2 xc+(R+hm/2)*sin(phi0) "Upper right mirror center, x-coordinate"
ym2 yc+(R+hm/2)*cos(phi0) "Upper right mirror center, y-coordinate"

ws 3[cm] "Beam splitter width"
hs 2[mm] "Beam splitter height"

L0x cos(phi0) "Initial ray direction, x-component"
L0y sin(phi0) "Initial ray direction, y-component"
q0x -5[cm]*L0x "Ray release, x-coordinate"
q0y -5[cm]*L0y "Ray release, y-coordinate"
Lo 3[cm] "Distance to obstruction"
wo 3[cm] "Obstruction width"
ho 2[mm] "Obstruction height"
xo -(Lo+ho/2)*L0x "Center of obstruction, x-coordinate"
yo (Lo+ho/2)*L0y "Center of obstruction, y-coordinate"

dphi 8*pi*A/(c_const*lam0)*Omega "Expected phase shift"
zf 4*A/(c_const*lam0)*Omega "Expected fringe shift"
dt_exp 4*A*Omega/c_const^2 "Expected transit time difference"
dL_exp dt_exp*c_const "Expected path difference"
nu c_const/lam0 Frequency
dnu_exp 4*A*Omega/(lam0*P) "Expected beat frequency"
SF_exp 4*A/(lam0*P) "Expected scale factor"
Omega_t P*eps*c_const/(4*A) "Threshold for cancellation error"