Refractive and Diffractive Beam Shaping
The transformation of the Gaussian profile of a coherent laser beam into other profiles like lines, crosses, circular or rectangular top hats and ring type distributions, leads to the design of beam shaping systems. LightTrans has introduced several advanced design techniques to solve a great variety of beam shaping tasks. Our beam shaper modules may be realized by employing refractive or diffractive shaping components. For each application it is critical to consider the pros and cons of both solutions, because they possess different characteristics like sensitivity to variations of the profile and wavelength of the incident beam, and of course to fabrication tolerances. The incident laser beam and/or the transformed beam are allowed to possess divergence angles up to 30° and more. With this feature, beam shaping of diode lasers is possible.
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- Example of the result of a beam shaping system which generates two top hat distributions. It results from the beam shaping system shown on the first Optical Engineering page.
