Etalon Model by John Smith

Etalon model including defects and finite etendue effects (etalon, fpi, fabry)

etalon(nu,e0,R,Dfp,A,defect,n0,lambda,etendue,source,tol)

example.m

Air Refractive Index by John Smith

Computes either the Edlen or Ciddor refractive index of air (air, index, refraction)

air_index(wavelength,temperature,pressure,humidity,method,x...