I have transmittance and absorbance data of prepared thin films. There is Swanepoel method can't be used due to their is no any fringes in the transmittance data. Can anyone suggest free software for the calculation of optical parameters.
Calculation of ray path in SolidWorks, optical properties of materials, geometric model of radiation, library of light sources, calculation of illumination and intensity.
OptisWorks Optics
Includes OptisWorks Ray Tracing functionality, plus additionally: high resolution irradiance map, stray light intensity.