Zoom beam expander for high power lasers


Sill Optics presents the new zoom beam expander S6EXZ0940-574 which is suitable for high power UV lasers at 355 nm.

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The optical design enables a maximum beam diameter at all lens surfaces inside the beam expander for each magnification from 0.9x up to 4.0x. The telescope has a ghost free design which protects the lenses against damages. Furthermore special low absorption coatings and fused silica as a lens material enable the usage with high power ultra short pulsed lasers.