Abbe Imaging and Spatial Filtering Experiment

This Fourier optics experiment system is designed to demonstrate the principles of spatial frequency analysis and optical filtering. It enables students to understand spatial frequency spectra, perform various spatial filtering techniques, and study Fourier optical image processing using precision optical components.

Experiments :

• Strengthen the Understanding of Spatial Frequency, Spatial Frequency Spectrum, and Spatial Filtering in Fourier Optics.
• Study the Optical Path of Spatial Filtering and Perform High-Pass, Low-Pass, and Directional Filtering.

White Light Source :

• 12 V, 30 W

He-Ne Laser :

• Wavelength: 632.8 nm
• Power: >1.5 mW

Optical Rail :

• 1.5 m

Filters :

• Spectrum filter
• Zero-order filter
• Directional filter
• Low-pass filter
• High-pass filter
• Band-pass filter
• Small-hole filter

Lenses :

• Focal lengths: 225 mm
• Focal lengths: 190 mm
• Focal lengths: 150 mm
• Focal lengths: 4.5 mm

Gratings :

• Transmission grating (20 lines/mm)
• Two-dimensional grating (20 lines/mm)
• Grid pattern (20 lines/mm)
• θ modulation board

Adjustable Diaphragm :

• Adjustable from 0–14 mm

Standard Accessories :

• Slide
• Two-axis tilt holder
• Lens holder
• Plane mirror
• Plate holder