Selectively changing the profile. DOEs are used for optimized laser cutting, laser drilling, and material ablation.
DOEs is advantageous when one element is needed to produce several beams.
Many corrections can be made with a single diffractive element.
For the typical wavelength range in the far IR (2.94 µm)
For the typical wavelength range in the near and far IR
Plastic DOEs for beam shaping or beam splitting at low or medium power.
A cost-effective alternative for low and medium power lasers: Polymer structures on quartz glass.