Fourier optics and optical signal processing - according to the Optical Society of America classification this field covers the following topics:

• Acousto-optical signal processing
• Analog optical signal processing
• Fourier optics
• Fourier transforms
• Nonlinear optical signal processing
• Optical correlators

• Optical data processing
• Optical morphological transformations
• Optical spectrum analysis
• Pattern recognition and feature extraction

• Phase conjugation
• Signal processing
• Spatial filtering
• Talbot effect

Optics