Laser Components has launched a new range of elliptical diffusers for excimer lasers, which transform an elliptical excimer beam to a uniform round spot, manufactured by Holo-Or (Rehovoth, Israel). The new range of diffusers is made from UV grade fused silica, optimised for 193nm wavelengths but also available for other wavelengths. The diffusers are designed to be used in conjunction with a lens in order to fine-tune and reduce a laser's spot size at a desired focal length. Features include very high transmission efficiency and a high damage threshold, and anti-reflection coatings are available.
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