A spatial filter is an optical device which uses the principles of Fourier optics to alter the structure of a beam of light or other electromagnetic radiation, typically coherent laser light. stock photo

A spatial filter is an optical device which uses the principles OF Fourier optics to alter the structure OF a beam OF light or other electromagnetic radiation, typically coherent laser light

A spatial filter is an optical device which uses the principles of Fourier optics to alter the structure of a beam of light or other electromagnetic radiation, typically coherent laser light. stock photo

A spatial filter is an optical device which uses the principles OF Fourier optics to alter the structure OF a beam OF light or other electromagnetic radiation, typically coherent laser light