Optics
Main Index
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Physical Sciences
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f/#, NA, and spot size
From focal length and aperture size.
Gaussian spot profile
Power density as a function of position.
Diffraction grating
Finds angles of first few diffraction orders.
Power of a spherical lens
From curvature and refractive index
Conversion of f/# and NA
With difinitions and collection angle.
Pulse characteristics
Pulse characteristics for e.g. lasers.
Reflection and refraction
Calculates angles, quantites and constants.
n (Sellmeier equation)
Refractive index at a given wavelength.
Focused spot size
Airy and Gaussian sizes from f/# or NA.
Thin film optical coating
Reflectivity at angle and wavelength.