Edmund Optics (Barrington, NJ) has expanded its TECHSPEC variable beam expander line to include 355nm wavelength versions with a 2–8X magnification range, with particular utility in ultraviolet (UV) laser machining. They feature diffraction-limited performance with a guaranteed 1/4λ transmitted wavefront. High laser damage threshold anti-reflective (AR) coatings ensure maximum transmittance while minimizing ghost reflections.
For more information, please visit www.edmundoptics.com/vari-beam.
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