F-YS-TXJ-28 Optical image subtraction demo instrument
Insert the image to be processed into the input surface of 4F system ,filter with a one-dimensional grating is spectrum surface and observe the subtraction ...

F-YS-XG-31 Real-time correlation identify
Familiar with the assemble of Mach-Zehnder interferometer ,the use of liquid crystal light valve ,the nature of the lens Fourier thransform ...

F-YS-YK-04 Circular aperture diffraction demo instrument
Observe the toroidal interference after laser through the small circular aperture, ...

F-YS-YP-07 Circular screen diffraction demo instrument
Observe the ring interference pattern after laser through the circular screen ...

Iceland spar
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New optical components
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