Abstract
The generation of laser beams with high energy, uniform spatial distribution, and minimal divergence is essential to many applications. A recently proposed technique1 allows control of the amplitude and phase distribution of a laser emission. This concept, known as the Fourier-transform resonator, uses two binary transmittance filters located in two conjugated Fourier planes, inside a laser resonator, to perform efficient modal filtering during the build-up of the laser emission.
© 1995 Optical Society of America
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