Spatial spectrum and simulation of spatial filter of Fourier optics(Abbe-Porter spatial filter experiment)
Experiment contents and related subjects:
Observe the spectrum of the grid "光" word screen, understand the concept of space spectrum in Fourier optics.
Observe the changes of image by changing the frequency spectrum to understand the Abbe imaging theory and the concept of spatial filtering.
Optical simulation of convolution and to understand the physical meaning of convolution .
Features of the instruments:
Using semiconductor laser as the light source (635nm, 3mW).
Adjustable three-dimensional spatial filter, with Φ15mm, Φ1mm, Φ0.4mm, and the slit width 0.5mm aperture.
Complete set of equipment:
Optical experiment guide, semiconductor laser, lens. Fourier lens, mesh,grid "光" word screen, orthogonal grating, beam expander mirror, spatial filter , frosted glass and etc.