LandOfFree - US Patents - Listing for Optical: systems and elements,Diffraction,Using fourier transform spatial filtering

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Single lens joint transform correlator utilizing a fresnel zone

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Spatial filter for high power laser beam

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Spatially incoherent holographic correlator

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Superposing diffraction optical element homogenizer optical...

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Synthesis of supergratings by fourier methods

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Transform digital/optical processing system including wedge/ring

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Tunable multispectral optical filter and imaging apparatus

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Two port nonlinear joint transform correlator

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Vander-Lugt correlator converting to joint-transform correlator

Optical: systems and elements – Diffraction – Using fourier transform spatial filtering

Zero-order diffractive pigments