Lateral shear interferometer for infrared and visible light.

  title={Lateral shear interferometer for infrared and visible light.},
  author={John Lewandowski},
  journal={Applied optics},
  volume={28 12},
An infrared wavefront is recorded holographically on a dynamic recording medium consisting of a thin oil film on a glass substrate. The phase hologram obtained may restore the information of the infrared wavefront or alternatively play the role of a diffraction grating for a visible reconstruction beam. On this basis, the principle of a lateral shear interferometer for the simultaneous testing of infrared or visible optical components is described and physically implemented. A theoretical… CONTINUE READING