Optical image addition and subtraction
experiment contents and related subjects:
Understand the structure and principle of the 4f optical system.
To add and subtract optical images using grating and to understand the physical meaning of the image addition and subtraction.
Deepen the knowledge and understanding of Fourier optical spectrum filter.
Complete set of equipment:
Optical experiment guide, semiconductor laser, beam expander lens, collimating lens, Fourier lens, one-dimensional grating, object screen