Optical image differential
Experiment contents and related subjects;
Regulation of parallel laser.
Understand the structure, principle, using method and applications of 4f optical system.
Pursuing differential to optical images using composite grating,
understand the principle of optical differential and understand the physical meaning of differential image, to achieve the enhancement effect of image edge.
Deepen awareness and understanding of Fourier optical spectrum filter.
Features of the instruments:
Using semiconductor laser (650nm, 3mW) as the light source.
Fourier lens (F = 150mm).
Complete set of equipment:
Optical experiment guide, semiconductor laser, beam expander lens, collimating lens, Fourier lens, composite grating, one-dimensional displacement rack.