Beam homogenizer

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A beam homogenizer is a device that smoothes out the irregularities in a

Most lasers produce a Gaussian beam energy distribution. A beam homogenizer will create an evenly distributed energy of the beam instead of the Gaussian shape. Unlike a beam shaper, which imparts a certain shape to the beam, a beam homogenizer spreads out the central concentrated energy of the beam among the entire beam diameter.^[1]

A simple beam homogenizer can be just a murky piece of glass. However, this is a very simple solution with low efficiency, producing a blurry beam. For most applications/uses, advanced methods of beam homogenizing are required such as diffractive beam homogenizers or using a micro lens array (MLA).

External links

• Lens Array Vs Rod Lens For Laser Beam Homogenization

References