Calculating the Fabry Perot reflection from a dielectric thin film for specified incident angle, film thickness and operation wavelength.

Calculating the surface Plasmon resonance (SPR) reflection spectrum from gold film in the visible range for specified incident angle, film thickness and surrounding material.

Calculating the Absorption from metal particles impeded inside a dielectric host (matrix) using effective medium theory (Maxwell Garnett) .

Calculating the reflection spectrum of a film composed of nano-particle inclusion in dielectric host.

Ray tracing demonstration based on thin lens equations

Calculating the reflection spectrum of a double layer film composed of thin layer of dielectric and metals.

Ray tracing illustration for one lens digitals telescope

Calculating the spectrum from an image of the source measured through a diffraction grating where dispersion is palced horizontal.

Calculating the reflection spectrum of a double layer film composed of thin layer of dielectric and metals. This tool includes Fourier analysis of the optained fringes pattern.