QUICK LINK

 OKnowledge Corner

SpotOptics is pleased to present information on the principles of their wavefront sensors and wavefront sensor based systems. You can learn more on Zernike polynomials, Shack Hartmann wavefront sensor comparison, aberrations and photo gallery on aberrations. FAQ on SH test is also available.

The Shack-Hartmann technology

Shack-Hartmann

Shack-Hartmann vs. Interferometer

Shack-Hartmann vs. Hartmann

Importance of a correct calibration for the Shack-Hartmann

FAQ on the SH test

Comparison of results obtained with our WFS vs interferometers

Zernike polynomials


- Diffraction optics and Zernike polynomials: Annular, Standard, fringe zernikes

- Geometrical optics and Seidel polynomials

- Mathematical expressions

- Photo gallery

- Zernikes and classical aberrations

- Coma due to misalignment of optical elements